RTP at a Glance. Imagineering Plastic Solutions. Value of Wear Resistant Thermoplastic Compounds

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2 Imagineering Plastic Solutions RTP Company is your global compounder of custom engineered thermoplastic resins. Combining our in-depth knowledge of plastic technologies with imagination, we imagineer custom compounds ideally matched to end-use requirements. Private ownership enables us to independently select from over 60 engineering resins to create a formulation specific to your application. RTP at a Glance Privately-owned custom compounder Independent, unbiased product development Worldwide representation and distribution Global manufacturing sites ISO 9001 registered facilities Value of Wear Resistant Thermoplastic Compounds Design freedom, ease of fabrication, weight reduction, corrosion resistance and other desirable properties provided by injection molded engineered thermoplastics have led to the replacement of metals in many applications. 2

3 Understanding Wear and Friction To capitalize on the benefits of thermoplastic compounds, it is helpful to understand the basics of wear and friction. Most engineers who are concerned with friction and wear performance compare tribological parameters to judge the suitability of a compound for an application. Tribological parameters include: wear factor (K) static coefficient of friction (µ S ) dynamic coefficient of friction (µ K ) pressure-velocity (PV) RTP Company is committed to continuous research and development, allowing us to stay on the cutting edge of wear technology. Our wear testing lab allows us to do long term wear resistant testing to compare the performance of materials. This guide provides the data obtained in our lab to assist in comparison and selection of the best product for your application. WHAT IS TRIBOLOGY? Tribology is an engineering discipline that incorporates design, friction, wear, and lubrication of interacting surfaces in relative motion. Materials selected for wear resistant applications need to have an acceptable combination of mechanical and tribological properties. Tribological applications commonly include: Bearings Bushings Gears Piston Heads Pulleys Rollers Seals Syringes 3

4 In combination with selecting the best resin for an application, RTP Company uses a variety of wear and friction additives. Each type of additive has special characteristics that will make it a prime candidate for a specific application. Our engineers also combine these additives in just the right formulation to provide you with a custom compounded solution. Wear Resistant Additives Polytetrafluoroethylene (PTFE) Typical Loadings: 5-20% Powdered PTFE is a workhorse additive for wear resistant materials providing the lowest coefficient of friction of internal lubricants. PTFE forms a lubricious film on the surface and modifies the mating surface after a break-in period. PTFE facilitates higher dynamic load bearing capability. Molybdenum Disulfide (MoS 2 ) Typical Loadings: 1-5% A fine gray powder that best functions as a wear additive in nylon/metal wear combinations. It works by nucleating and forming a hard nylon wear surface and by smoothing the sharp and abrasive microscopic pores of the metal. Fibers Glass, carbon, and aramid fibers provide the necessary integrity for a compound to survive in more demanding applications. Each type of fiber has exclusive benefits. For example, aramid fibers are known to be soft and non-abrasive to the mating surface. Graphite Powder Typical Loadings: 5-30% A soft black carbon material whose unique chemical lattice structure allow the molecules to slide easily over one another, providing lubricating qualities. 4

5 The diagram illustrates the frequency of usage of different wear and friction additives by RTP Company. The most common wear additive in the industry is PTFE and also PTFE in combination with silicone. Additionally, glass fibers are commonly used with these additives for mechanical strength improvement, and sometimes increased wear resistance. Polydimethylsiloxane (Silicone) Typical Loadings: 1-3% Acts as a boundary lubricant because it migrates to the surface over time. This migration reduces start-up wear and friction and is ideal for low pressure and high speed applications. Perfluoropolyether (PFPE) Typical Loadings: <1% A synthetic oil with loading levels of <1% provides benefits such as: minimized die plate-out, lower specific gravity, and maintained physical properties. 5

6 Testing Capabilities RTP Company has the capability to perform the following tests at our global headquarters in Winona, MN ASTM D-3702: Thrust Washer Wear Test The most common test for evaluating the wear performance and the dynamic coefficient of friction of thermoplastics and thermoplastic compounds. Six machines are constantly spinning at RTP Company in our wear testing lab Used to quantify the volumetric loss of material, or wear factor (K), which is used to numerically compare materials to each other. The data in this guide is obtained from this test. ASTM D-1894: Static and Dynamic Coefficient of Friction Sled Test Used to determine the static and dynamic coefficient of friction Data from this test is not contained in this guide. Please contact RTP Company for more information on utilizing this test. 6

7 This test is used to provide a quantitative measurement of sliding wear resistance. This value is referred to as the wear factor (K) and is an indication of a materials resistance to wear as a function of the volume of material lost, force (load) and velocity at the wear interface and time. Sample discs are molded or machined according to the standard and are attached to the rotating spindle head. A contact surface (thrust washer) is selected and will remain stationary as the sample rotates on its surface under a set load/pressure (P) and velocity (V). Testing at different PV conditions will help determine the wear resistant capabilities and limitations of a material. Once the test is completed the volumetric loss of material is calculated by converting the total mass loss of the sample into the wear volume (W). Dividing W by the product of the force (F), velocity (V), and elapsed time (T) of the test will yield the Wear Factor (K). The resulting wear factor is used to compare the wear resistance of materials to each other. A low value for K indicates a better resistance to sliding wear. This guide will compare the wear factors of a variety of RTP Company materials. The dynamic coefficient of friction is also determined from this test and can be used to help a material selection process. Comparing Competitive Data Note: RTP Company reports wear factors per unit force (K F ) with units of (in 3 min/ft lb hr) This is the industry standard way to calculate and report wear factor. Some suppliers report wear factors per unit Pressure (K P ) with units of (in 5 min/ft lb hr) This value is arrived at by multiplying K F by (0.35 in 2 ). As a result of not using the industry standard calculations, some competitors wear factors appear artificially low. For example a K F of 9 (in 3 min/ft lb hr)10-10 would be equal to K P of 9*0.35 in 2 = 3.15 (in 5 min/ft lb hr)

8 Abrasive Wear When harder surfaces scrape or abrade away the mating part. A type of wear characterized by grooves or gouges cut into a parts surface. If wear particles are hard and abrasive, they will roll between surfaces and scratch the counter surface, causing severe abrasion. Adhesive Wear Occurs with two surfaces sliding against each other. The primary wear result for thermoplastics, characterized by transfer of material to a mating surface sufficient to inhibit sliding at the original interface. PTFE, a common additive in compounds, effectively transfers a film to smooth the mating surfaces and reduces wear. Break-in Period A 1500 min pre-test for ASTM D-3702 to allow the surface to become flat and obtain an intimate contact with its counter surface. This can also allow for a lubricious layer to form between the surfaces as well. Dynamic Coefficient of Friction Ratio of the force required to sustain constant motion between two contacting bodies and the force pressing them together. Hydrodynamic Film Lubricious and often fluid film that forms on the contact surfaces of two materials. This allows the surfaces to glide over the film and minimize the amount of contact between them. Limiting PV A value (a PV condition, ex. 10,000 PV) that is the maximum condition a material can perform at without failing. Pressure Velocity Condition Product of pressure and velocity of a given wear and friction test. Referred to as PV, this value compares severity of a test condition. A lower PV indicates a low load and velocity during a test, while a high PV indicates a demanding test. Static Coefficient of Friction Ratio of the force required to initiate motion between two contacting bodies and the force pressing them together. Stick-Slip Phenomenon Occurs when the dynamic coefficient of friction is greater than the static coefficient of friction. The relative motion of surfaces will rapidly start and stop, causing a squeaking sound. This is seen when the difference between static and dynamic coefficient of friction is high. Tribology Science of the mechanisms of friction, lubrication, and wear of interacting surfaces that are in relative motion. Wear Gradual material loss caused by a contacting object over time. Wear Factor Wear factor (K) is the volumetric loss of material over time at a given pressure (P) and velocity (V). This value is used to compare wear resistance performance of materials to each other. Wear Limit Wear limit (WL) is when a sample fails (breaks, wears out, melts, etc.) before the end of a test. 8

9 Table 1: Plastic Against Steel Containing a wide variety of thermoplastic compounds. Most of the materials should list results from three levels of testing: 2,000 PV, 5,000 PV and 10,000 PV. Table 2: Plastic Against Plastic All of the materials listed on this table were only tested at a 1,000 PV condition, the standard for plastic on plastic. Compounds in this table have generally been tested against a variety of plastic surfaces. Table 3: Ultra Wear Resistant Compounds (Plastic against steel) This table contains RTP Company s newest research results from testing a variety of high performance materials at PV conditions above standard testing (>10,000 PV). Table 4: APWA Plus Compounds This table contains research results utilizing RTP Company s proprietary additive package APWA Plus (All Polymeric Wear Alloy). 9

10 Table 1 (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness *Indicates Proprietary RTP Company Formulation

11 Table 1 cont. (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness *Indicates Proprietary RTP Company Formulation

12 Table 1 cont. (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness *Indicates Proprietary RTP Company Formulation

13 Table 1 cont. (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness *Indicates Proprietary RTP Company Formulation

14 Table 1 cont. (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness *Indicates Proprietary RTP Company Formulation

15 Table 1 cont. (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness *Indicates Proprietary RTP Company Formulation

16 Table 1 cont. (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness *Indicates Proprietary RTP Company Formulation

17 Table 2 (PLASTIC AGAINST PLASTIC) ASTM D-3702 All Plastic On Plastic Test Were Conducted At: 1000 PV (4lb Load At 50 ft/min) *Indicates Proprietary RTP Company Formulation

18 Table 2 cont. (PLASTIC AGAINST PLASTIC) ASTM D-3702 All Plastic On Plastic Test Were Conducted At: 1000 PV (4lb Load At 50 ft/min) *Indicates Proprietary RTP Company Formulation

19 Table 2 cont. (PLASTIC AGAINST PLASTIC) ASTM D-3702 All Plastic On Plastic Test Were Conducted At: 1000 PV (4lb Load At 50 ft/min) *Indicates Proprietary RTP Company Formulation

20 Table 2 cont. (PLASTIC AGAINST PLASTIC) ASTM D-3702 All Plastic On Plastic Test Were Conducted At: 1000 PV (4lb Load At 50 ft/min) *Indicates Proprietary RTP Company Formulation

21 Table 3 RTP COMPANY ULTRA WEAR RESISTANT COMPOUNDS (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness *Indicates Proprietary RTP Company Formulation X = Proprietary Loading % and/or Additives

22 Table 3 cont. RTP COMPANY ULTRA WEAR RESISTANT COMPOUNDS (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness *Indicates Proprietary RTP Company Formulation X = Proprietary Loading % and/or Additives

23 Table 3 cont. RTP COMPANY ULTRA WEAR RESISTANT COMPOUNDS (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness *Indicates Proprietary RTP Company Formulation X = Proprietary Loading % and/or Additives

24 Table 3 cont. RTP COMPANY ULTRA WEAR RESISTANT COMPOUNDS (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness *Indicates Proprietary RTP Company Formulation X = Proprietary Loading % and/or Additives

25 Table 4 RTP COMPANY APWA PLUS WEAR RESISTANT COMPOUNDS (PLASTIC AGAINST STEEL) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) Steel Contact Surface: C1018 Steel Rockwell C, Micro Smoothness*Indicates Proprietary RTP Company Formulation APWAPlus = All Polymeric Wear Additive

26 Table 4 cont. RTP COMPANY APWA PLUS WEAR RESISTANT COMPOUNDS (PLASTIC AGAINST PLASTIC - Dissimilar Materials) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) *Indicates Proprietary RTP Company Formulation APWAPlus = All Polymeric Wear Additive

27 Table 4 cont. RTP COMPANY APWA PLUS WEAR RESISTANT COMPOUNDS (PLASTIC AGAINST PLASTIC - Self) ASTM D-3702 (English Speed) X ( ) = (SI Metric Speed) (English Load) X (0.2248) = (SI Metric Load) *Indicates Proprietary RTP Company Formulation APWAPlus = All Polymeric Wear Additive

28 Application: Positive Displacement Transfer Pump Problem: Pump must be lightweight and capable of moving hydrocarbons and other chemicals in mining, agriculture, marine, chemical, petroleum and transportation industries in a range of environmental conditions. Solution: Impeller: RTP 1300 Series PPS compound with carbon fiber, PTFE and PFPE Impeller Housing: RTP 2200 Series compound with carbon fiber, PTFE and PFPE Wiper Blade: RTP 2200 Series compound with PTFE. Benefits: High strength Excellent chemical resistance Superior abrasion and wear resistance Application Case Studies Application: Chemical Pump Problem: Application: Micro Pump Gears Water-powered pump is used to dispense fertilizers, disinfectants, chlorine, acids, soaps, pharmaceuticals and nutritional supplements in a wide range of settings. Internal components are exposed to a number of chemicals, and must resist corrosion and wear against stainless steel components within the pump. Solution: RTP 100 Series polypropylene with PFPE. Benefits: Excellent wear resistance Eliminates need for separate metal or plastic bearings Improved coefficient of friction in moving components Excellent chemical and corrosion resistance Problem: Chemical resistance to pump a wide variety of fluids over a wide temperature range including: espresso, water, pesticides, carbonated drinks and alcohol. Application requires high wear materials but cannot utilize glass fiber. Solution: RTP 2200 Series PEEK with carbon fiber, aramid fiber and PTFE. Benefits: Excellent chemical and corrosion resistance High strength Wear resistant High heat resistance - Many micro pumps operate at very high speeds creating high temperatures at the wear interface

29 Application: Conveyor Rollers Solution: RTP 800 Series acetal with PTFE and silicone. Benefits: Improved wear resistance Excellent lubricity FDA compliant Chemical resistence to cleaning solutions Application: Wear Rings Problem: Application Case Studies Problem: Food conveyor rollers used in food processing equipment need to withstand constant movement and must be easy to clean to reduce risk of contamination. Material used for the rollers need to be compliant for food contact and have excellent wear resistance. Used in a wide range of hydraulic cylinders and pistons which require a material with good wear resistance and a low coefficient of friction. Additional requirements include the ability to maintain tight tolerances and performance against petroleum oils, fluids and greases over a temperature range of -40 C to 135 C. Solution: RTP 200A Series heat stabilized nylon 6 with glass fiber reinforcement, PTFE and silicone. Benefits: Resistant to petroleum oils, fluids and greases Dimensionally stable Combination of good wear resistance and low coefficient of friction Performs over a broad temperature range Application: Water Meter Problem: Water meter design incorporates a nutating disc, which must posess good wear properties and tight tolerances with long-term water exposure. Solution: RTP 400 PS and 500 SAN Series with graphite, PTFE, silicone and or glass. Benefits: Tight molding tolerances Dimensional stability Hydrolytic stability Excellent wear properties and low coefficient of friction NSF approval for water contact

30 Application Case Studies Application: Drug Delivery/Injection Pen Problem: The move from metal to plastic lead screws on durable injection devices has dramatically increased the number of options available to design engineers. Injection forces can reach 3 7 kgs during operation, thus requiring high strength to weight properties to withstand the forces over thousands of cycles. More importantly, parts need to move effortlessly to ensure smooth no stick movement of components. Solution: RTP 300 PC or 800 POM Series carbon reinforced with internal lubrication. Benefits: Smooth and quite operation Laser markable material eliminates secondary printing process FDA complient materials Eliminates secondary application of lubricants Consistent injection force Application: Dental Prophylaxis Angle Problem: Application: Disposable Tubing Valve/Stop Cock Problem: Stop cocks are used to deliver a wide variety of fluids including saline, drugs and sometimes nutrition. These valves are used to control on/off functions and sometimes flow. The valves must turn without any sticktion and delivery smooth easy movement even after two or more years of storage. Solution: RTP 700 HDPE Series high density polyethylene Benefits: Smooth operation Eliminates secondary silicone application Custom colors Finding a suitable plastic compound that would have the same performance as metal components posed a unique challenge. The material must perform under high speeds and friction forces. Gears are subjected to tight molding tolerances. Solution: RTP 800 Series glass filled POM, lubricated compound. Benefits: Minimize gear face wear on start-up Gear teeth do not flex under torque Smooth operation

31 Application: Transmission Seals & Washers Problem: Government regulation for higher/improved fuel efficiency is driving the need for higher performance wear compounds in the powertrain. This industry is trying to increase efficiency and reduce weight to increase fuel economy. This application operates in transmission fluid with high PV. Solution: RTP 2200 Series PEEK with Ultra Wear compound. Benefits: Eliminates the need to machine a part from a stock form Significant reduction in manufacturing cost Reduced coefficient of friction Application Case Studies Application: Steering Position Sensor Problem: A part of the steering position assembly where a shaft rotates inside the position sensor with tight tolerances which can lead to unwanted noise and wear. Solution: RTP 4000 Series PPA with glass fiber and PTFE. Benefits: Internal lubricants Reduced friction Reduced noise (squeaking) Application: Accelerator Friction Pad Problem: Accelerator systems are now fully electronic drive by wire. The electronic housings need to be light weight and strong while the pedal needs to feel like a mechanical system. (Heat range 40 C to 80 C). Solution: RTP 1300 Series PPS with glass fiber and PTFE. Benefits: Wear compound was successfully developed with the right balance of friction and wear to provide the feel required by the OEM. Lightweight Excellent dimensionality stability

32 If you're facing a wear or friction material challenge, expert help and customer services are available. Visit our website to view product data sheets for wear resistant compounds, along with technical information on RTP Company s complete portfolio of thermoplastic compounds. Color Conductive Elastomer Flame Retardant Structural Wear Resistant No information supplied by RTP Company constitutes a warranty regarding product performance or use. Any information regarding performance or use is only offered as suggestion for investigation for use, based upon RTP Company or other customer experience. RTP Company makes no warranties, expressed or implied, concerning the suitability or fitness of any of its products for any particular purpose. It is the responsibility of the customer to determine that the product is safe, lawful and technically suitable for the intended use. The disclosure of information herein is not a license to operate under, or a recommendation to infringe any patents. Copyright RTP Company 2012, RTP Company Corporate Headquarters 580 East Front Street Winona, Minnesota USA website: rtp@rtpcompany.com Wiman Corporation TELEPHONE: U.S.A SOUTH AMERICA MEXICO EUROPE SINGAPORE CHINA

33 ULTRA WEAR & FRICTION RESISTANT COMPOUNDS Excellent wear performance at very high loads Excellent friction performance at very high speeds High performance at elevated ambient and interface temperatures ADDITIONAL BENEFITS Injection moldable materials that don t need to be machined from stock shapes or require time consuming annealing Excellent chemical and corrosion resistance Leverage synergistic wear additives with PEEK, PPA, and PPS resins for performance over a wide range of Pressure (P) and Velocity (V) ratios Industry leading testing at PVs up to 100,000, including elevated temperature Performance data against competitive materials at up to 400 F (205 C) Better mechanical properties than thermoset alternatives Obtain design freedoms and manufacturing ease that can significantly lower costs Imagine injection moldable compounds that perform under the extreme conditions of high temperature, high loads, and high speeds that advanced applications demand. At RTP Company, we not only imagined them, we ve made them a reality. Previously, thermoplastics were not thought capable of meeting the high PV and temperature requirements of demanding applications. This belief led manufacturers to use costly alternatives that need to be machined from stock shapes or require extensive annealing. RTP Company s injection moldable Ultra Wear and Friction Resistant compounds (Ultra Wear) have been tested and shown to perform under demanding high PV and temperature conditions. By leveraging synergistic wear additive technologies combined with high temperature, and chemically resistant, PEEK, PPA, and PPS resins, RTP Company s Ultra Wear products are exciting OEMs with a new class of materials they can deploy. Industry leading comprehensive side-by-side testing against incumbent thermoset materials at PVs up to 100,000 and temperatures up to 400 F (205 C) has proven Ultra Wear compounds provide competitive wear and friction performance. Ultra Wear compounds offer benefits that can t be obtained with thermoset alternatives. Lower overall material cost, better mechanical properties, and processing via injection molding provide design freedoms unobtainable when machining stock shapes and also significantly reduces production time and costs. RTP Company is uniquely positioned to offer the broadest range of Ultra Wear compounds in the industry through our unbiased approach to resin and additive selection that results in materials customized to meet your application requirements. Ultra Wear and Friction Resistant compounds another innovation from RTP Company your global compounder of custom engineered thermoplastics. RTP Company Corporate Headquarters 580 East Front Street Winona, Minnesota USA website: rtp@rtpcompany.com Wiman Corporation TELEPHONE: U.S.A SOUTH AMERICA MEXICO EUROPE SINGAPORE CHINA

34 Wear Factor (in 3 -min/ft-lb-hr) x E -10 Wear Factor (in 3 -min/ft-lb-hr) x E -10 Wear Factor (in 3 -min/ft-lb-hr) x E -10 ULTRA WEAR & FRICTION RESISTANT COMPOUNDS Industry leading ASTM D 3702 comparison testing provides new insight into injection moldable Ultra Wear compounds reliability and safety at elevated conditions Results for materials with a wear factor below 100, a benchmark of good performance ,000 PV 500 psi x F (3,447 kpa x C) Rulon LR Rulon J Torlon 4630 RTP 2200 PEEK w/cf/ceramic Vespel SP-211 Vespel SP-21 RTP 1300 PPS w/proprietary Wear Pkg RTP 2200 PEEK w/cf/graphite/ptfe 75,000 PV 500 psi x F (3,447 kpa x C) 100,000 PV 500 psi x F (3,447 kpa x C) RTP 2200 PEEK w/cf/ceramic 33 Vespel SP Vespel SP RTP 2200 PEEK w/cf/ceramic 23 Vespel SP Vespel SP Rulon is a registered trademark of Saint-Gobain. Vespel is a registered trademark of E.I. du Pont de Nemours and Company. Ultra Wear materials are excellent for applications with demanding PV s that require temperature or chemical resistance: Bearings and Bushings Seals and Rings Thrust Washers Gears RTP Company: Your Global Compounder Of Custom Engineered Thermoplastics No information supplied by RTP Company constitutes a warranty regarding product performance or use. Any information regarding performance or use is only offered as suggestion for investigation for use, based upon RTP Company or other customer experience. RTP Company makes no warranties, expressed or implied, concerning the suitability or fitness of any of its products for any particular purpose. It is the responsibility of the customer to determine that the product is safe, lawful and technically suitable for the intended use. The disclosure of information herein is not a license to operate under, or a recommendation to infringe any patents. Copyright RTP Company /2013

For more information, please telephone (507) , or visit our website at We look forward to working with you!

For more information, please telephone (507) , or visit our website at   We look forward to working with you! Corporate Headquarters RTP Company 580 East Front Street PO Box 5439 Winona, Minnesota 55987-0439 USA Telephone Fax Internet (507) 454-6900 (507) 454-4629 www.rtpcompany.com Greetings, Thank you for your

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