115 O-Ring Epdm 11/16ID x 7/8OD 70 Duro Round Black
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Global O-Ring & Seal Llc 115 O-Ring Epdm 11/16ID x 7/8OD 70 Duro Round...
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Product Details
| Brand | Global O-Ring & Seal Llc |
| Mfr. Model # | E70115 |
| Global Industrial Part # | B1370829 |
| Color | Black |
| Weight | 0.01 lb |
| Length | 4 in |
| Width | 4 in |
| Height | 4 in |
| Unit of Measure | EA |
| Minimum Order Quantity | 169 |
| Ships Via | Parcel |
| Freight Class | 400 |
| Lead Time | 3 business days |
| Returnable | Yes |
| UNSPSC | 31401503 |
Description
Ethylene propylene rubber (EPDM) is a copolymer of ethylene and propylene. Furthermore it is a terpolymer of ethylene and propylene with a small amount of a third monomer (usually a diolefin) to permit vulcanization with sulfur. Generally EPDM possesses an excellent resistance to ozone sunlight and weathering and has very good flexibility at low temperature good chemical resistance (many dilute acids and alkalis as well as polar solvents) and good electrical insulation property.
Cure system peroxide-cured
Standard epdms are usually sulfur-cured. Sulfur-cured compounds offer better flexible properties but are more prone to hardening and have an inferior compression set with high temperature
Peroxide-cured epdms have better heat resistance and a lower compression set. It complies with long-time usage especially for hose systems in the construction industry but is more expensive and more difficult for production than the sulfur-cured epdms
Temperature rangeul
Standard low temp -55°c (-67°f)
Standard high temp 125°c (257°f)