Ozone Resistant EPDM Oring Industrial Min 300 ％ Ultimate Elongation

Ozone Resistant EPDM Oring Industrial Min 300 ％ Ultimate Elongation

EPDM has outstanding resistance to heat, water and steam, alkali, mild acidic and oxygenated solvents, ozone, and sunlight (-40ºF to +255ºF); but it is not recommended for gasoline, petroleum oil and grease, and hydrocarbon environments. This popular rubber compound is usually the first choice for low torque drive belt applications

ASTM D1418 Designation: EPDM

ASTM D2000/SAE J200 Type, Class: AA, BA, CA, DA

Apple Compound Designation: EP

Standard Color: Black

Description: A copolymer of ethylene and propylene (EPR), combined with a third comonomer adiene(EPDM), Ethylene Propylene has gained wide seal industry acceptance for its excellent ozone and chemical resistance characteristics.

Key Use(s): Outdoor weather resistant uses. Automotive brake systems. Automobile cooling systems. Water applications. Low torque drive belts.

Temperature Range
Standard Compound: -40° to +255°F
Special Compound: -67° to +302°F

Hardness (Shore A): 35 to 90

Features: When compounded using peroxide curing agents high temperature service can reach +350°F. Good resistance to acids and solvents (i.e. MEK).

Limitations: Have no resistance to hydrocarbon fluids.

Datesheet for EPDM70 Shore A black as bellow:

DONGGUAN RUICHEN SEALING CO., LTD

SHANGRAO RUICHEN SEALING CO.,LTD

      Ruichen Sealing Co., Ltd was built in 2006, The company has two branches in Dongguan and Shangrao.They are Dongguan Ruichen Sealing  Co., Ltd. and Shangrao Ruichen Sealing Co., Ltd.. We mainly produce rubber o rings , gaskets , ball , grommet and customized rubber part. Shangrao Ruichen as production base , covering a total area of 18,000 square meters, with total assets of 100 million yuan, more than 300 employees and 46 sets of plate vulcanizer machines.

Ruichen focus on research and production of rubber seals. At present, we have more than 10,000 sets of molds for O-ring and other seal rings. O-ring sizes include American standard (AS568), Japanese standard (JIS) and GB series. The material meets the requirements of various environmental regulations (ROHS2.0 REACH224 FDA, PAHS, WRC, WARS, VOC, UL), etc. Products are widely used in automotive parts, connectors, electronic products, pumps and valves, pneumatic, power tools, medical instruments and other fields.

Ruichen use ISO9001, IATF16949, ERP, HRP systems to establish and improve the quality management, process management, labor cost control. Ruichen adhering to the "love management, fuhui sustainable (carry forward good moral character, create good quality)" concept, aim to seal industry deep cultivation for a hundred years, to be O-RING KING!