ETPV engineering thermoplastic vulcanizates

Transcription

1 DuPont ETPV engineering thermoplastic vulcanizates Product and properties guide The DuPont oval, DuPont, The miracles of science are registered trademarks or trademarks of DuPont or its affiliates.

2 Table of contents Page Product description... 1 Product line description... 1 Grade comparison... 1 Handling and processing guidelines... 1 Product form and packaging... 1 Applications... 1 Processing... 2 Further information... 2 Material data... 3 DuPont ETPV 60A01L... 3 DuPont ETPV 90A

3 DuPont Product description DuPont ETPV engineering thermoplastic vulcanizates significantly reduce costs for high performance rubber parts. They have properties similar to high performance rubbers but are processed on standard thermoplastic equipment. DuPont ETPV consists of a high performance crosslinked elastomer dispersed in a high performance thermoplastic elastomer. The recycling code for DuPont ETPV according to ISO is >AEM + TPC-ET<. Benefits of DuPont ETPV: Significant cost savings compared with cross-linked rubber Excellent oil and heat resistance Fast cycle times save costs Design flexibility allows integration of functions Recyclable Product line description DuPont ETPV is available in different degrees of hardness ranging from 60 to 90 shore A. Standard grades 60A01L NC010 80A01 NC010 90A01 NC010 Heat stabilized grades 60A01HSL BK001 90A01HS BK001 ETPV engineering thermoplastic vulcanizates The thermoplastic rubber that resists oil and heat 60 shore A, lubricated, natural color 80 shore A, natural color 90 shore A, natural color 60 shore A, lubricated, heat stabilized, black 90 shore A, heat stabilized, black Grades in natural color may be pigmented black using carbon black concentrate HYTREL 40CB. If alternative colors are required, please contact your DuPont representative for more information. Grade comparison 60A01L 90A01 Hardness 60 shore A 90 shore A Processability Good Excellent Oil resistance Good Excellent Heat resistance Excellent Good Compression set resistance Excellent Good Handling and processing guidelines All safety practices normally followed in the handling and processing of thermoplastic polymers should be followed for DuPont ETPV. The polymer is not hazardous under normal shipping and storage conditions. During processing, particularly if recommended temperatures and hold-up times are exceeded to any great degree, DuPont ETPV may degrade and decompose, and gaseous by-products may evolve. Potential hazards from these gaseous decomposition products include blow-back through the hopper, fire and exposure to toxic vapors. As with all thermoplastics, thermal burns from contact with molten polymer are a potential hazard. Before processing DuPont ETPV observe the recommended guidelines. Compounding ingredients or additives may present hazards in handling and use. Before proceeding with any compounding or processing work, consult and follow the directions and handling guidelines from suppliers of all ingredients, as listed on the packaging label. Before processing DuPont ETPV, reference should be made to the document Handling and Processing Guidelines for DuPont ETPV, which can be found on the plastics.dupont.com website. Ensure adequate ventilation and wear protective clothing when handling and processing DuPont ETPV. Product form and packaging DuPont ETPV is supplied as cylindrical pellets (approximately 3 mm in diameter by 3 mm long), having a bulk density of about 700 kg/m 3. The material is packaged in 25 kg multi-wall paper bags with a moisture barrier inner wall. Palletized units contain 40 bags, or 1,000 kg net weight, wrapped in polyolefin film on disposable wooden pallets. Applications The excellent properties of DuPont ETPV qualify it for a number of demanding applications where oil and/or heat resistance up to 160 C is required. Examples include hose and tubing, seals, belts, bushings, pump diaphragms, gears, protective boots, springs and couplings, hinges, impact and sound absorbing devices. In many of these applications DuPont ETPV allows a multi-piece rubber, or even a metal composite assembly, to be replaced with a single part. Some of the industries where DuPont ETPV is used include: automotive, fluid power, electrical and electronic, appliance and power tool, and off-road transportation and equipment. The potential for using DuPont ETPV in other industries is limited only by your imagination. 1

4 Processing DuPont ETPV can be readily formed into high performance parts by a variety of thermoplastic processing techniques including: injection molding, 2K molding, extrusion, blow molding and melt casting. For injection molding, DuPont ETPV processes at temperatures between 245 C and 255 C depending on the grade. For extrusion, DuPont ETPV processes at temperatures between 220 C and 230 C depending on the grade. All grades have a sharp melting point of 205 C and good melt stability. Maximum recommended pellet moisture content prior to processing is 0.1% for injection molding and 0.05% for extrusion. Virgin polymer as well as regrind must be dried for three hours at 80 C in a desiccant type dryer before processing. For further information related to the processing of DuPont ETPV, please see DuPont ETPV Injection molding and Extrusion guides. Further information For further information about to DuPont ETPV please contact your DuPont representative or visit the DuPont Engineering Polymers website plastics.dupont.com On this site you will find information on handling and processing precautions, injection molding and extrusion guides, data sheets, application profiles, and new product grades. 2

5 DuPont ETPV 60A01L NC010 engineering thermoplastic vulcanizates DuPont ETPV60A01L NC010 is a thermoplastic rubber with excellent oil and heat resistance. It can be processed by conventional thermoplastic processing techniques such as injection molding and extrusion. Properties Test method Units Typical values a Hardness Durometer A ASTM D2241 (max) Shore A 60 ISO 868 (15 s) Shore A 54 Tensile 25 C 23 C 100 C 150 C Strength ISO 527 b MPa Stress at 10% strain ISO 527 b MPa Stress at 100% strain ISO 527 b MPa 19 5 Strain at break ISO 527 b % E modulus, dynamic 1 Hz ISO MPa Compression set 23 C 100 C 130 C 150 C After annealing 1h at 150 C 22h ASTM D395-B-1 c % h ASTM D395-B-2 d % h ASTM D395-B-1 c % h ASTM D395-B-2 d % Thermal Melt flow rate, 250 C/10 kg ISO R1133 g/10 min 2.5 Melting point ISO 3146 e C 205 Glass transition temperature, Tg ISO 6721 (Tan δ max) C 23 Brittleness temperature ISO 812 C 40 Miscellaneous Density ISO R1183 g/cm Tear strength ISO34-1 B/b kn/m 16 Volume resistivity IEC 93 Ohm m 8E10 Oxygen index ISO 4589 % O 2 22 Processing injection molding Recommended melt temperature C 255 ± 5 Recommended mold temperature C 50 Drying time, dehumidified dryer h 2-3 Drying temperature C 80 Maximum processing moisture content % 0.1 Processing extrusion Recommended melt temperature C 215 ± 5 Drying time, dehumidified dryer h 2-3 Drying temperature C 80 Maximum processing moisture content %

6 Properties after ageing Test method Units Typical values a Air at 150 C 1000h 2000h 3000h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A 66 Air at 150 C, heat stabilized 1000h 2000h 3000h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A 62 Air at 170 C 1000h 2000h 3000h Tensile strength ISO 527 b % retention 86 Tensile strain at break ISO 527 b % retention 56 Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A 71 Air at 170 C, heat stabilized 1000h 2000h 3000h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention 80 Hardness ISO 868 (15 s) Shore A 70 Water at 100 C 1000h 2000h 3000h Tensile strength ISO 527 b % retention 69 Tensile strain at break ISO 527 b % retention 372 Tensile stress at 100% strain ISO 527 b % retention 30 Hardness ISO 868 (15 s) Shore A 51 Volume swell % 1.1 ASTM #1 Oil at 150 C 70h 168h 336h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A Volume swell % IRM 902 Oil at 150 C 70h 168h 336h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A Volume swell % IRM 903 Oil at 150 C 70h 168h 336h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A Volume swell %

7 Properties after ageing Test method Units Typical values a Engine Oil Cecilia 20 at 150 C 70h 168h 336h Tensile strength ISO 527 b % retention 80 Tensile strain at break ISO 527 b % retention 186 Tensile stress at 100% strain ISO 527 b % retention 42 Hardness ISO 868 (15 s) Shore A 50 Volume swell % 17 ASTM Fuel B at 23 C 70h 168h 336h Tensile strength ISO 527b % retention 53 Tensile strain at break ISO 527 b % retention 43 Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A 21 Volume swell % 79 ASTM Fuel C at 23 C 70h 168h 336h Tensile strength ISO 527 b % retention 53 Tensile strain at break ISO 527 b % retention 122 Tensile stress at 100% strain ISO 527 b % retention 35 Hardness ISO 868 (15 s) Shore A 12 Volume swell % 150 Brake Fluid FMVSS DOT4 at 100 C 70h 168h 336h Tensile strength ISO 527 b % retention 51 Tensile strain at break ISO 527 b % retention 140 Tensile stress at 100% strain ISO 527 b % retention 35 Hardness ISO 868 (15 s) Shore A 40 Volume swell % 88 ATF Dextron 3 at 150 C 70h 168h 336h Tensile strength ISO 527 b % retention 88 Tensile strain at break ISO 527 b % retention 183 Tensile stress at 100% strain ISO 527 b % retention 44 Hardness ISO 868 (15 s) Shore A 50 Volume swell % 16 Ethylene Glycol (Glysantin G48) 50% in water at 105 C 70h 168h 336h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A 50 Volume swell % a. These are values measured on injection-molded test pieces and are based on our experience to date. They are subject to change as additional data are accumulated and statistically treated. Colorant or additives of any kind may alter some or all of these properties. Processing conditions may also influence properties. b. Type 5A die cut along flow in 2.0 mm injection-molded plaque, speed 500 mm/min at 23 C, speed 50 mm/min at 20 C and 100 C. c. Type 1 specimen, plying up 4 disks 3.0 mm thick. d. Type 2 specimen, plying up 3 disks 2.0 mm thick. e. Differential scanning calorimeter. 5

8 DuPont ETPV 90A01 NC010 engineering thermoplastic vulcanizates DuPont ETPV 90A01 NC010 is a thermoplastic rubber with excellent oil and heat resistance. It can be processed by conventional thermoplastic processing techniques such as injection molding and extrusion. Properties Test method Units Typical values a Hardness Durometer A ASTM D2241 (max) Shore A 90 ISO 868 (15 s) Shore A 82 Tensile 25 C 23 C 100 C 150 C Strength ISO 527 b MPa Stress at 10% strain ISO 527 b MPa Stress at 100% strain ISO 527 b MPa 22 8 Strain at break ISO 527 b % E modulus, dynamic 1 Hz ISO MPa Compression set 23 C 100 C 130 C 150 C After annealing 1h at 150 C 22h ASTM D395-B-1 c % h ASTM D395-B-2 d % h ASTM D395-B-1 c % h ASTM D395-B-2 d % Thermal Melt flow rate, 250 C/10 kg ISO R1133 g/10 min 30 Melting point ISO 3146 e C 205 Glass transition temperature, Tg ISO 6721 (Tan δ max) C 24 Brittleness temperature ISO 812 C 40 Miscellaneous Density ISO R1183 g/cm Tear strength ISO34-1 B/b kn/m 29 Volume resistivity IEC 93 Ohm m 1E11 Oxygen index ISO 4589 % O Processing injection molding Recommended melt temperature C 245 ± 5 Recommended mold temperature C 35 Drying time, dehumidified dryer h 2-3 Drying temperature C 80 Maximum processing moisture content % 0.08 Processing extrusion Recommended melt temperature C 215 ± 5 Drying time, dehumidified dryer h 2-3 Drying temperature C 80 Maximum processing moisture content %

9 Properties after ageing Test method Units Typical values a Air at 135 C 1000h 2000h 3000h Tensile strength ISO 527 b % retention 116 Tensile strain at break ISO 527 b % retention 112 Tensile stress at 100% strain ISO 527 b % retention 103 Hardness ISO 868 (15 s) Shore A 78 Air at 150 C 1000h 2000h 3000h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention 130 Hardness ISO 868 (15 s) Shore A 88 Air at 150 C, heat stabilized 1000h 2000h 3000h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15s) Shore A 88 Air at 170 C, heat stabilized 1000h 2000h 3000h Tensile strength ISO 527 b % retention 135 Tensile strain at break ISO 527 b % retention 50 Tensile stress at 100% strain ISO 527 b % retention 150 Hardness ISO 868 (15 s) Shore A 92 Water at 100 C 1000h 2000h 3000h Tensile strength ISO 527 b % retention 70 Tensile strain at break ISO 527 b % retention 324 Tensile stress at 100% strain ISO 527 b % retention 77 Hardness ISO 868 (15 s) Shore A 74 Volume swell % 10.7 ASTM #1 Oil at 150 C 70h 168h 336h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A Volume swell % IRM 902 Oil at 150 C 70h 168h 336h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A Volume swell % IRM 903 Oil at 150 C 70h 168h 336h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A Volume swell %

10 Properties after ageing Test method Units Typical values a Engine Oil Cecilia 20 at 150 C 70h 168h 336h Tensile strength ISO 527 b % retention 96 Tensile strain at break ISO 527 b % retention 193 Tensile stress at 100% strain ISO 527 b % retention 66 Hardness ISO 868 (15 s) Shore A 74 Volume swell % 9.5 ASTM Fuel B at 23 C 70h 168h 336h Tensile strength ISO 527b % retention 75 Tensile strain at break ISO 527 b % retention 58 Tensile stress at 100% strain ISO 527 b % retention 87 Hardness ISO 868 (15 s) Shore A 73 Volume swell % 48 ASTM Fuel C at 23 C 70h 168h 336h Tensile strength ISO 527 b % retention 62 Tensile strain at break ISO 527 b % retention 107 Tensile stress at 100% strain ISO 527 b % retention 56 Hardness ISO 868 (15 s) Shore A 67 Volume swell % 77 Brake Fluid FMVSS DOT4 at 100 C 70h 168h 336h Tensile strength ISO 527 b % retention 66 Tensile strain at break ISO 527 b % retention 105 Tensile stress at 100% strain ISO 527 b % retention 58 Hardness ISO 868 (15 s) Shore A 71 Volume swell % 48 ATF Dextron 3 at 150 C 70h 168h 336h Tensile strength ISO 527 b % retention 82 Tensile strain at break ISO 527 b % retention 70 Tensile stress at 100% strain ISO 527 b % retention 88 Hardness ISO 868 (15 s) Shore A 73 Volume swell % 12 Ethylene Glycol (Glysantin G48) 50% in water at 105 C 70h 168h 336h Tensile strength ISO 527 b % retention Tensile strain at break ISO 527 b % retention Tensile stress at 100% strain ISO 527 b % retention Hardness ISO 868 (15 s) Shore A 73 Volume swell % a. These are values measured on injection-molded test pieces and are based on our experience to date. They are subject to change as additional data are accumulated and statistically treated. Colorant or additives of any kind may alter some or all of these properties. Processing conditions may also influence properties. b. Type 5A die cut along flow in 2.0 mm injection-molded plaque, speed 500 mm/min at 23 C, speed 50 mm/min at 20 C and 100 C. c. Type 1 specimen, plying up 4 disks 3.0 mm thick. d. Type 2 specimen, plying up 3 disks 2.0 mm thick. e. Differential scanning calorimeter. 8

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This information may be subject to revision as new knowledge and experience becomes available. The data provided fall within the normal range of product properties and relate only to the specific material designated; these data may not be valid for such material used in combination with any other materials or additives or in any process, unless expressly indicated otherwise. The data provided should not be used to establish specification limits nor used alone as the basis of design; they are not intended to substitute for any testing you may need to conduct to determine for yourself the suitability of a specific material for your particular purposes. Since DuPont cannot anticipate all variations in actual end-use conditions DuPont makes no warranties and assumes no liability in connection with any use of this information. Nothing in this publication is to be considered as a license to operate under or a recommendation to infringe any patent rights. 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