NORDEL EPDM Product Selection Guide

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NORDEL EPDM Product Selection Guide NORDEL EPDM products are members of Dow s family of ethylene propylene diene terpolymers and feature the widest range of ethylene content available in the industry.

1 NORDEL EPDM Product Selection Guide NORDEL EPDM products are members of Dow s family of ethylene propylene diene terpolymers and feature the widest range of ethylene content available in the industry. These high-quality, virtually gel-free polymers provide improved yield, scrap reduction, and unparalleled polymer cleanliness. NORDEL EPDM is made using Dow s proprietary advanced molecular catalyst (AMC) technology in a solution process, and is sold in both bale form and as free flowing pellets. NORDEL EPDM OFFERS EXCEPTIONAL POLYMER CLEANLINESS Figure 1: Property Ranges of NORDEL EPDM Products (1,2) 130 Mooney Viscosity, ML (1 + 4) at 125 C, MU XFM P 4771 XFL XFC 3760P 3765 XFL 4760P OE XFC Oil-Extended 3720P 4785HM 3745P 4725P 3722P Diene Level Very Low, <1% Medium, 1-3% High, 3-6% Very High, >6% 4820P Ethylene, wt % Amorphous Bale Semi-crystalline Pellet Data per tests conducted by Dow. Additional information available upon request. Properties shown are typical, not to be construed as specifications. Users should confirm results by their own tests. (2) Suffix designations: XFC = extra fast cure; XFL = extra filler loading; XFM = extra fast mixing; OE = oil extended; P or HM = pellet form; no suffix = bale form.

Table 1: Typical Properties and Applications of NORDEL EPDM Product Grade Mooney Viscosity, ML 1+4 at 125 C (ASTM D1646) Oil, phr (Dow Test Method) Ethylene, Mass % (ASTM D3900) ENB, Mass % (ASTM

5 Narrow NORDEL 3760P 63 67 2.2 Medium NORDEL 3765 XFL 65 67 2.5 Broad NORDEL 4520 20 50 4.9 Medium NORDEL 4570 70 50 4.9 Medium NORDEL 4571 XFM 70 47 4.9 Broad NORDEL 4640 40 55 4.

2 Table 1: Typical Properties and Applications of NORDEL EPDM Product Grade Mooney Viscosity, ML 1+4 at 125 C (ASTM D1646) Oil, phr (Dow Test Method) Ethylene, Mass % (ASTM D3900) ENB, Mass % (ASTM D6047) MWD Characteristics (Dow Test Method) NORDEL Narrow NORDEL Medium NORDEL 3720P Broad NORDEL 3722P Medium NORDEL 3745P Narrow NORDEL 3760P Medium NORDEL 3765 XFL Broad NORDEL Medium NORDEL Medium NORDEL 4571 XFM Broad NORDEL Medium NORDEL 4725P Broad NORDEL 4760P Medium NORDEL 4770P Medium NORDEL 4771 XFL Broad NORDEL 4785HM Medium NORDEL 4820P Narrow NORDEL Medium NORDEL 6530 XFC Broad NORDEL 6555 OE Medium NORDEL 6565 XFC Broad Data per tests conducted by Dow. Additional information available upon request. Properties shown are typical, not to be construed as specifications. Users should confirm results by their own tests. (continued) DURABLE PRODUCTS FOR WEATHERSTRIPPING, SEALS, AND GASKETS HIGH-HEAT PRODUCTS FOR AUTOMOTIVE BELTS 2

3 Table 1: Typical Properties and Applications of NORDEL EPDM (continued) Product Grade Density, g/cc (ASTM D297) Crystallinity, Mass%, DSC, 10 C/min (Dow Test Method) T c, C PQ-E-005 (Dow Test Method) Form Applications NORDEL <1 Bale Oil and lubricant modification, peroxide-cured parts NORDEL Bale NORDEL 3720P Pellet NORDEL 3722P Pellet NORDEL 3745P Pellet NORDEL 3760P PelletRoofing, belts Blends with butyl rubber in inner tubes, peroxide-cured belts, molded goods, conveyor belts Thermoplastic modification, electrical insulation, molded connectors, belts, rolls (peroxide-cured) Thermoplastic modification, electrical insulation, molded connectors (peroxide-cured) Thermoplastic modification, cable bedding, sound insulation, molded foam, belts NORDEL 3765 XFL Pellet Coolant hoses, belts, membranes NORDEL <1 Bale NORDEL <1 Bale NORDEL 4571 XFM <1 Bale NORDEL Bale Molded seals, brake diaphragms, gaskets, sealants, weatherstrip corner molding Extrusions, automotive and general purpose hose, profile gaskets, weatherstripping Automotive extruded profiles, coolant hoses, building profiles, general purpose moldings Molded automotive and industrial parts, hose and tubing, weatherstripping, belts NORDEL 4725P Pellet Rolls, high hardness compounds, gaskets, extruded profiles NORDEL 4760P Pellet NORDEL 4770P Pellet NORDEL 4771 XFL Pellet Extrusions, automotive and general purpose hose, profile gaskets, weatherstripping Automotive and general purpose hose, extruded profiles, glass run channel, low voltage wire and cable jacketing, thermoplastic vulcanizate (TPV) High filler loading automotive extruded profiles, hoses (including radiator, industrial, garden, and appliance), TPV, low voltage wire and cable jacketing NORDEL 4785HM Pellet Weatherstripping, extrusions, profiles, TPV NORDEL 4820P Pellet Property modification of thermoplastic polyolefin and thermoset rubber formulations high hardness, weatherstrip, molded goods NORDEL <1 Bale Weatherstripping, extruded profiles, metal carriers NORDEL 6530 XFC 0.86 <1.5 Bale Extra fast cure corner molding, high hardness rubber parts NORDEL 6555 OE 0.86 <1.5 Bale Weatherstripping, sponge profiles NORDEL 6565 XFC 0.86 <1.5 Bale Extra fast cure weatherstripping, dense, micro-dense, and sponge profiles Data per tests conducted by Dow. Additional information available upon request. Properties shown are typical, not to be construed as specifications. Users should confirm results by their own tests. 3

4 Table 2: Comparison of NORDEL (1, 2, 3) EPDM Grades in Peroxide-cure Test Recipe Property NORDEL EPDM Grades P 3722P 3745P Mooney Viscosity, ML 1 + 4, 100 C Mooney Scorch at 125 C, Minutes to 5 pt. rise >30 >30 >30 >30 > MDR at 175 C, 0.5 Arc, 30 min cht ML, dn.m MH, dn.m ts1, min tc90, min Vulcanizate Properties, Physical Properties at R.T. Press-cured: tc95+3 min at 175 C Tensile Strength, MPa Elongation, % Modulus at 100% Elongation, MPa Modulus at 200% Elongation, MPa Hardness, Shore A Compression Set, Method B Pellets Cured MDR tc95+15 min 22 hr at -10 C hr at 70 C hr at 100 C hr at 150 C Temperature Retraction, C TR TR TR Change in Properties Aged in Air 70 Hours at 150 C Tensile Strength, MPa Elongation, % Elongation Change, % Modulus at 100% Elongation, MPa Modulus Change, % Hardness, Shore A Hardness Change, pts Data per tests conducted by Dow. Additional information available upon request. Properties shown are typical, not to be construed as specifications. Users should confirm results by their own tests. (2) Test Recipe: Polymer 100 phr, N-650 Black 115 phr, Paraffinic Oil 70 phr, DCP-40% 8 phr, TMQ 1 phr, HVA #2 1 phr. (3) All components tested per standard ASTM Method. (continued) 4

5 Table 2: Comparison of NORDEL (1, 2, 3) EPDM Grades in Peroxide-cure Test Recipe (continued) Property NORDEL EPDM Grades 4725P 4760P 4770P 4785HM 4820P 5565 Mooney Viscosity, ML 1 + 4, 100 C Mooney Scorch at 125 C, Minutes to 5 pt. rise MDR at 175 C, 0.5 Arc, 30 min cht ML, dn.m MH, dn.m ts1, min tc90, min Vulcanizate Properties, Physical Properties at R.T. Press-cured: tc95+3 min at 175 C Tensile Strength, MPa Elongation, % Modulus at 100% Elongation, MPa Modulus at 200% Elongation, MPa Hardness, Shore A Compression Set, Method B Pellets Cured MDR tc95+15 min 22 hr at -10 C hr at 70 C hr at 100 C hr at 150 C Temperature Retraction, C TR TR TR Change in Properties Aged in Air 70 Hours at 150 C Tensile Strength, MPa Elongation, % Elongation Change, % Modulus at 100% Elongation, MPa Modulus Change, % Hardness, Shore A Hardness Change, pts Data per tests conducted by Dow. Additional information available upon request. Properties shown are typical, not to be construed as specifications. Users should confirm results by their own tests. (2) Test Recipe: Polymer 100 phr, N-650 Black 115 phr, Paraffinic Oil 70 phr, DCP-40% 8 phr, TMQ 1 phr, HVA #2 1 phr. (3) All components tested per standard ASTM Method. 5

Table 3: Summary of FDA Compliance by NORDEL EPDM Grade Product Grade 21 CFR 177.2600 21 CFR 177.1520 (2) 21 CFR 175.105 (3) 21 CFR 177.

Yes Yes NORDEL 4520 Yes No Yes No NORDEL 4570 Yes Yes Yes Yes NORDEL 4571 XFM Yes Yes Yes Yes NORDEL 4640 Yes Yes Yes Yes NORDEL 4725P Yes No Yes No NORDEL 4760P Yes Yes Yes Yes NORDEL 4770P Yes

6565 XFC No No Yes No Review current Code of Federal Regulations for specific details pertaining to food contact requirements.

6 Table 3: Summary of FDA Compliance by NORDEL EPDM Grade Product Grade 21 CFR CFR (2) 21 CFR (3) 21 CFR NORDEL 3430 Yes Yes Yes Yes NORDEL 3640 Yes Yes Yes Yes NORDEL 3720P Yes No Yes No NORDEL 3722P Yes No Yes No NORDEL 3745P Yes Yes Yes Yes NORDEL 3760P Yes Yes Yes Yes NORDEL 3765 XFL Yes Yes Yes Yes NORDEL 4520 Yes No Yes No NORDEL 4570 Yes Yes Yes Yes NORDEL 4571 XFM Yes Yes Yes Yes NORDEL 4640 Yes Yes Yes Yes NORDEL 4725P Yes No Yes No NORDEL 4760P Yes Yes Yes Yes NORDEL 4770P Yes Yes Yes Yes NORDEL 4771 XFL Yes Yes Yes Yes NORDEL 4785HM Yes Yes Yes Yes NORDEL 4820P Yes Yes (4) Yes No NORDEL 5565 No No Yes No NORDEL 6530 XFC No No Yes No NORDEL 6555 OE No No Yes No NORDEL 6565 XFC No No Yes No Review current Code of Federal Regulations for specific details pertaining to food contact requirements. (2) Can be used in contact with all foods except water in oil emulsions, high or low fat, and low moisture fats and oil. (3) Adhesives only. (4) Compliant as a blend component in compliant polymers at levels up to 25% for conditions of use E through G. HIGH-HEAT PRODUCTS FOR AUTOMOTIVE HOSES PROTECTIVE COMPOUNDS FOR ROOFING MEMBRANES 6

7 Table 4: Package Types for NORDEL EPDM Product Grades Product Grade Inclusion Bag Box Flexible Intermediate Bulk Container 25 kg 385 kg 408 kg 800 kg NORDEL 3430 X NORDEL 3640 X NORDEL 3720P X X NORDEL 3722P X X NORDEL 3745P X X NORDEL 3760P X NORDEL 3765 XFL X NORDEL 4520 X NORDEL 4570 X NORDEL 4571 XFM X NORDEL 4640 X NORDEL 4725P X NORDEL 4760P X X NORDEL 4770P X X X NORDEL 4771 XFL X NORDEL 4785HM X X NORDEL 4820P X X NORDEL 5565 X X NORDEL 6530 XFC X NORDEL 6555 OE X NORDEL 6565 XFC X NORDEL 6555 OE is packaged in polyolefin elastomer-based bags with a nominal melting temperature of 82 C. All other grades are packaged in ethylene vinyl acetate/polyethylene-based bags with a nominal melting temperature of 87 C. 7

8 North America U.S. & Canada Mexico Latin America Argentina Brazil Colombia Mexico Europe/Middle East Italy South Africa Asia Pacific China dow.com nordel.com NOTICE: No freedom from infringement of any patent owned by Dow or others is to be inferred. Because use conditions and applicable laws may differ from one location to another and may change with time, Customer is responsible for determining whether products and the information in this document are appropriate for Customer s use and for ensuring that Customer s workplace and disposal practices are in compliance with applicable laws and other government enactments. The product shown in this literature may not be available for sale and/or available in all geographies where Dow is represented. The claims made may not have been approved for use in all countries. Dow assumes no obligation or liability for the information in this document. References to Dow or the Company mean the Dow legal entity selling the products to Customer unless otherwise expressly noted. NO WARRANTIES ARE GIVEN; ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY EXCLUDED. NOTICE: If products are described as experimental or developmental : product specifications may not be fully determined; (2) analysis of hazards and caution in handling and use are required; (3) there is greater potential for Dow to change specifications and/or discontinue production; and (4) although Dow may from time to time provide samples of such products, Dow is not obligated to supply or otherwise commercialize such products for any use or application whatsoever. PRODUCT STEWARDSHIP: Dow has a fundamental concern for all who make, distribute, and use its products, and for the environment in which we live. This concern is the basis for our product stewardship philosophy by which we assess the safety, health, and environmental information on our products and then take appropriate steps to protect employee and public health and our environment. The success of our product stewardship program rests with each and every individual involved with Dow products from the initial concept and research, to manufacture, use, sale, disposal, and recycle of each product. CUSTOMER NOTICE: Dow strongly encourages its customers to review both their manufacturing processes and their applications of Dow products from the standpoint of human health and environmental quality to ensure that Dow products are not used in ways for which they are not intended or tested. Dow personnel are available to answer your questions and to provide reasonable technical support. Dow product literature, including safety data sheets, should be consulted prior to use of Dow products. Current safety data sheets are available from Dow. NOTICE REGARDING MEDICAL APPLICATION RESTRICTIONS: Dow will not knowingly sell or sample any product or service ( Product ) into any commercial or developmental application that is intended for: a. long-term or permanent contact with internal bodily fluids or tissues. Long-term is contact which exceeds 72 continuous hours; b. use in cardiac prosthetic devices regardless of the length of time involved ( cardiac prosthetic devices include, but are not limited to, pacemaker leads and devices, artificial hearts, heart valves, intra-aortic balloons and control systems, and ventricular bypass-assisted devices); c. use as a critical component in medical devices that support or sustain human life; or d. use specifically by pregnant women or in applications designed specifically to promote or interfere with human reproduction. Dow requests that customers considering use of Dow products in medical applications notify Dow so that appropriate assessments may be conducted. Dow does not endorse or claim suitability of its products for specific medical applications. It is the responsibility of the medical device or pharmaceutical manufacturer to determine that the Dow product is safe, lawful, and technically suitable for the intended use. DOW MAKES NO WARRANTIES, EXPRESS OR IMPLIED, CONCERNING THE SUITABILITY OF ANY DOW PRODUCT FOR USE IN MEDICAL APPLICATIONS. NOTICE: Any photographs of end-use applications in this document represent potential end-use applications but do not necessarily represent current commercial applications, nor do they represent an endorsement by Dow of the actual products. Further, these photographs are for illustration purposes only and do not reflect either an endorsement or sponsorship of any other manufacturer for a specific potential end-use product or application, or for Dow, or for specific products manufactured by Dow. This document is intended for global use. Published October, Form No X SMG SMG 13562

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