Freudenberg Sealing Technologies E429 (EPDM) Rubber

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Freudenberg Sealing Technologies E429 (EPDM) Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	EPDM enjoys high acceptance in the food and pharmaceutical industries. EPDM is indispensable for CIP (clean in place) or SIP (sterilization in place) cleaning processes. However, the fat content of the media may not exceed certain limits. EPDM is a polymerization made of ethylene, propylene and a diene monomer. It displays high media resistance to brake fluids, acids and lyes, the flame-resistant hydraulic fluids HFC and HFD, hot water and steam. But it is not stable in petroleum-based oils and fats or in gasoline and hydrocarbons. In turn, this material is inexpensive and can be used almost universally – although not with oils. Information provided by Freudenberg Sealing Technologies.
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Mechanical Properties	Original Value	Comments

Hardness, Shore A	68	ASTM D2240
Tensile Strength	17.2 MPa	ASTM D412 Die C
Elongation at Break	300 %	ASTM D412 Die C
Compression Set	20.3 % @Temperature 150 °C, Time 79200 sec	ASTM D395 Method B

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PFREU9254 / 293776

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