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EPDM/EPM Rubber Compound Or Precompound-EPDM/EPM

Ethylene propylene rubber is a synthetic rubber with ethylene and propylene as the main monomer, according to the different composition of the monomer in the molecular chain, there are binary ethylene propylene rubber(EPM) and tertiary ethylene propylene rubber(EPDM), It is widely used in automotive parts, waterproof materials for construction, wire and cable sheathing, heat-resistant hoses, tapes, automotive seals, lubricant additives and other products.
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EPDM/EPM rubber compound or precompound-EPDM/EPM


Ethylene propylene rubber is a synthetic rubber with ethylene and propylene as the main monomer, according to the different composition of the monomer in the molecular chain, there are binary ethylene propylene rubber and tertiary ethylene propylene rubber, the former is a copolymer of ethylene and propylene, to EPM, the latter is a copolymer of ethylene, propylene and a small amount of non-conjugated diolefin third monomer, to EPM. Both are collectively known as ethylene propylene rubber, or ethylene propylene rubber (EPR). It is widely used in automotive parts, waterproof materials for construction, wire and cable sheathing, heat-resistant hoses, tapes, automotive seals, lubricant additives and other products.


Performance:

1、Low density and high filler

2、Excellent Aging resistance

3、Corrosion resistance

4、Water vapor resistance

5、Superheated water resistance

6、Excellent electrical performance

7、Excellent Elasticity


Herchy Rubber has a R&D team with over 10 years of experience in EPDM compounding.

Herchy Rubber's EPDM compound is widely used in the automotive industry, construction sealing, household appliances, wire and cable, rubber rollers, tires and other industries.


Herchy Vulcanization type Mooney viscosity Hardness Tensile strength Elongation at break 125℃*72h Thermal aging Compression set Application Character





Hardness Change Tensile change Elongation change 125℃*72h ASTM D395 Type B
Grade ML(1+4)100℃ Shore A Mpa % Shore A % % %
EPDM-S5060 Sulfur 50 60 min.10 min.300 max.+10 max.-25 max.-25 max.50 Extruded products, injected products, molded products Good liquidity;
EPDM-S6060 Sulfur 60 60 min.10 min.300 max.+10 max.-25 max.-25 max.50 Extruded products, injected products, molded products Good liquidity;
EPDM-S7060 Sulfur 70 60 min.10 min.300 max.+10 max.-25 max.-25 max.50 Extruded products,  molded products High mechanical strength;
EPDM-S8060 Sulfur 80 60 min.10 min.300 max.+10 max.-25 max.-25 max.50 Extruded products,  molded products High mechanical strength;
EPDM-P5060 Peroxide 50 60 min.10 min.200 max.+5 max.-20 max.-20 max.30 Extruded products, injected products, molded products Good liquidity;
High temperature resistance;
Low Compression set
EPDM-P6060 Peroxide 60 60 min.10 min.200 max.+5 max.-20 max.-20 max.30 Extruded products, injected products, molded products High temperature resistance;
Good liquidity;
Low Compression set;
EPDM-P7060 Peroxide 70 60 min.10 min.200 max.+5 max.-20 max.-20 max.30 Extruded products,  molded products High temperature resistance;
High mechanical strength;
Low Compression set;
EPDM-P8060 Peroxide 80 60 min.10 min.200 max.+5 max.-20 max.-20 max.30 Extruded products,  molded products High temperature resistance;
High mechanical strength;
Low Compression set;


1、Automobile rubber seal strip

Excellent weather resistance, ozone resistance, heat resistance, acid and alkali resistance, water vapor resistance, color stability, electrical properties, oil-filled and room temperature fluidity.

Recommend:EPDM:S512F;S5890F;S552;S552-1;S553;S5206F;S5527F;S6090WF;S600WF;S7486F;S6075WF;3062E;J-3060P;J-3080;J-3080P;J-3092E;J-4090;TER 4033;TER 4038EP;TER 4039;TER 4044;TER 4049;TER 4334;TER 6148;TER 6235;TER 6537;TER 9046;TER 8148;TER 7040;TER 4049;TER 5029;


2、Hose

Good resistance to various polar chemicals such as alcohols, acids, alkalis, oxidizers, refrigerants, detergents, animal and vegetable oils, ketones and greases.

Recommend:EPDM:S512F;S5890F;S552;S552-1;S6090WF;J-3060P;J-3080;J-3080P;J-3092E;TER 4038EP;TER 4039;TER 4047;TER 4049;


3、Wire cable

Excellent weather resistance, ozone resistance, heat resistance。Ethylene propylene rubber has excellent electrical insulation properties and corona resistance, electrical properties better than or close to styrene butadiene rubber, chlorosulfonated polyethylene, polyethylene and cross-linked polyethylene.

Recommend:EPDM:S505A;S512F;3062E;J-3060P;TER 4033;TER 4044


4、O-rings

Due to the lack of polarity and low unsaturation of ethylene propylene rubber, it has good resistance to various polar chemicals such as alcohols, acids, alkalis, oxidizers, refrigerants, detergents, animal and vegetable oils, ketones and greases.

Recommend:EPDM:S552;S552-1;S512F;TER 4049;TER 4047;TER 4039;TER 4038EP;J-3092E;J-3080;J-3080P


5、Waterproof membrane

Excellent weather resistance, ozone resistance, heat resistance, acid and alkali resistance, water vapor resistance, color stability, electrical properties, oil-filled and room temperature fluidity.

Recommend:TER 4334;CO 054;3062E;S537-2;S501A;S537-3;S5890F;


6、Rubber roller

Due to the lack of polarity and low unsaturation of ethylene propylene rubber, it has good resistance to various polar chemicals such as alcohols, acids, alkalis, oxidizers, refrigerants, detergents, animal and vegetable oils, ketones and greases.

Recommend:EPDM:S501A;S505A;3062E;J-2080;TER 4047;TER 4334;TER 4039;


7、Tyre

Excellent weather resistance, ozone resistance, heat resistance, acid and alkali resistance, water vapor resistance, color stability, electrical properties, oil-filled and room temperature fluidity.

Recommend:EPDM:S537-3;S537-2;S505A;J-2080;J-2070;TER 4047;


8、Shoe Rubber soles

Excellent weather resistance, ozone resistance, heat resistance, acid and alkali resistance, water vapor resistance, color stability, electrical properties, oil-filled and room temperature fluidity.As there is no polar substituent in the molecular structure of ethylene propylene rubber, the molecular cohesion energy is low, and the molecular chain can maintain flexibility in a wide range, second only to natural rubber and paraben rubber, and can still be maintained at low temperatures.

Recommend:

EPDM:S537-3;S537-2;J-2070;J-2080;TER 6235;TER 4548;


8、Oil modification

Excellent weather resistance, ozone resistance, heat resistance, acid and alkali resistance, water vapor resistance, color stability, electrical properties, oil-filled and room temperature fluidity.

Recommend:EPDM:CO 033;CO 034;CO 043;CO 054;





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