Cortec and Commercial Product Comparison Charts

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Christiana Copeland
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1 Cortec and Commercial Product Comparison Charts To: From: CC: Whom it may concern Cortec Corporation Laboratories Eric Uutala Ed ertges Ken Motsinger Date: February 2, 23 ackground: It was requested that Cortec tests and compare different rust remover, converter, and preventative products with those currently in the commercial market. Results: Three spreadsheets have been prepared for comparison of each line of products in the attached documents (Appendix, C, and D). The products are compared by test results from previous Cortec testing and information provided on the company s MSDS. Additionally, a document with an explanation of the comparison charts is provided in Appendix A. Caleb Pheneger Technical Service Engineer Cortec Corporation

2 Appendix A: Explanation of product comparison charts The following are descriptions and definitions for categories used to compare different lines of products: Product (Type): Transportation: VOC: Food Certification: Name of product, may be slightly abbreviated. Type of product specifies either the class of rust remover, or the packaging the product comes in. Information on any restrictions or classifications for shipping based on the listing in section 4 the MSDS. Volatile Organic Compounds listed as a percent of total contents. This was referenced from company MSDS and not measured. NSF, USDA, or FDA certification that a product can be used for applications with indirect or incidental contact with food. Only VpCI-422 and VpCI-423 has this listing. USDA io-preferred: Classified by USDA as a primarily bio-based material; listed as a percentage of total contents. converters have this listing. Toxicology/Ecology: Any toxilogical or ecological reports on MSDS or located/ available online. ph: DFT: Flash Point PPE: HMIS: Acidity of rust remover on ph scale; from MSDS, not measured. Dry Film Thickness is the thickness of a coating after it dries. For our testing each product was applied as directed and the DFT was measured in mils, which is equal to. inches. This is only a useful measurement for converters. The lowest temperature a product can vaporize and form a combustible mixture with air. All rust removers were mostly water based and not flammable, so this section was not included. Personal Protective Equipment suggested for handling the product (Please see Appendix E for additional information regarding PPE codes). A rating of should be used as a minimum for almost all chemicals. Please note that some products require good ventilation or a vapor respirator if the concentration levels get too high. See MSDS for complete information on proper PPE. Hazardous Material Identification System, please see Appendix E for additional information.

3 Rust Removal (mins): ASTM -7 Salt Spray: ASTM D-748 Humidity Testing: Amount of time required for complete removal of moderate severity rust. Each panel was rusted for the following time for consistent moderate rust: carbon steel: 24 hours in ASTM -7 Cast iron: 24 hours in ASTM D-748 Copper: 2 hours in ASTM -7 Standardized test for the resistance of a coating to corrosion failure. This test includes elevated temperature and presence of salt water fog. It is an industry standard for coatings. Standardized test for corrosion failure of rust preventatives. Temperature of 2 ºF and approximately 99% relative humidity results in failure of bare metal in hours. Failure is defined by three spots of visual corrosion on a test panel. This test is a standard for rust preventatives.

4 Appendix : Rust Remover Comparison Chart Product (Type) VpCI-429 (ph neutral) Evapo-Rust (ph neutral) Metal Rescue (ph neutral) Transportation VOC Food Certification % USDA iopreferred % Toxicology/Ecology H F R Steel Iron Copper Fresh and salt water fish toxicity % reports available iodegradable, n-toxic (test at 5g/kg orally in rats) Rat LD5: Oral > 2.85 mg/kg, Dermal > 5 mg/kg ph PPE A HMIS 6 Rust Removal (mins) 85 >8 9 Failed 2 VpCI-422 (Citric Acid) % USDA & NSF (indirect contact) 92% iodegradable, marine toxicity data available, CEFAS certified VpCI-423 (gel) (Citric Acid) % USDA (indirect contact) 9% Fresh and salt water fish toxicity reports available VpCI-426 (Phosphoric Acid) VpCI-426 Gel (Phosphoric Acid) Loctite Naval Jelly (Phosphoric Acid) Permatex Dissolver (Phosphoric Acid) UN85, Class 8 Group III UN85, Class 8 Group III UN85, Class 8 Group III UN3264, Class 8 Group III 8.9% 8.9% 2.4% 2.4% Fresh and salt water fish toxicity reports available Fresh and salt water fish toxicity reports available Contains known carcinogen (sulfuric acid) ne Located Failed

5 Appendix C: Rust Converter Comparison Chart Product (Type) Corrverter (Liquid product) Transportation VOC 3.% Flash Point NA Toxicology/Ecology Testing Conducted PPE H F R HMIS DFT 3 mils Salt Spray (24 hours) <% field failure Rust-Oleum Rust Reformer (Liquid product) ORM-D for Air and International t Listed 89 (ºC) Component information: Tannic Acid Rat LD5 = 5 g/kg mils 8% field failure Permatex Rust Treatment Ground: Class 2. UN 95 (Aerosol product) Air: Class 9 ID 8 Extend Rust Neutralizer (Aerosol product) Class 2. UN % t listed Components not classified as carcinogens 2 4 mil % field failure Components not classified as 33.% < -6.7 (ºC) mil carcinogens 9% field failure

6 Appendix D: Rust Preventative Comparison Chart Product (Type) EcoAir iocorr (Air Powered Spray Can) EcoAir VpCI-377 (Air Powered Spray Can) Dry Coat RP (Trigger Spray ottle) Evapo-Rust Rust-lock (Trigger Spray ottle) VpCI-325 (Trigger Spray ottle, Oil) Ecoline 369 (ulk Liquid Product, Oil) Ecoline 322 (ulk Liquid Product, Oil) Rust-Oleum Rust Inhibitor (Aerosol Can, Oil) Transporation USDA iopreferred 64% VOC.%.% Flash Point 49 ºC ºC Toxicology/Ecology Testing Conducted PPE H F R HMIS Fresh and salt water fish 25 ºC toxicity data available. ASTM D-748 Humidity Testing 24 Hours t Listed > 94 ºC Testing Conducted 2 > 5 Hours US Ground: ORM-D Other: Class 2. UN 95 76% <.% ~5% in EcoAir t Listed 99%.% t Listed > 93 ºC t Listed Fresh and salt water fish toxicity data available. Mobility: Air <5%, Water 3-5%, Soil 3-5% 2 ne Located A Fresh and salt water fish ºC toxicity data available. < - ºC Isoparaffinic Hydrocarbon >25 ml/kg (Rat, Oral) > 5 Hours 2 > 5 Hours Hours > 5 Hours > 5 Hours 44 Hours

Comparing Cortec Products to Similar Products Made by Rust-Oleum

Comparing Cortec Products to Similar Products Made by Rust-Oleum Background: Purpose: Method: Materials: Procedure: Rust-Oleum is a large competitor to Cortec in the coatings and metal workings field.