Place of Origin:
Guangdong,China
Brand Name:
ORK
Certification:
FDA,ROHS,ISO9001,TS16949
Model Number:
Customized
AS568 High Temp EPDM O Ring Encapsulated , Hydraulic O Ring Seals
EPDM has outstanding resistance to heat, water and steam, alkali, mild acidic and oxygenated solvents, ozone, and sunlight (-40ºF to +275ºF); 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
Trade Names:
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 +275°F
Special Compound: -67° to +302°F
Hardness (Shore A): 40 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 and Acetone).
Limitations: Have no resistance to hydrocarbon fluids.
| Press Cure | Post Cure | ||
| Sheet : 5min 170℃ | Sheet : 1 hrs 125℃ | ||
| Button : 10 min 170℃ | Button : 1 hrs 125℃ | ||
| ORIGINAL PROPERTIES | SPECIFICATION | TEST RESULT | |
| HARDNESS SHORE A | 70°±5 | 70 | |
| TENSILE STRENGTH, MPA, MIN | 14 | 14.9 | |
| ULTIMATE ELONGATION, ％, MIN | 300 | 327 | |
| SPECIFIC GRAVITY (g/cm3) | 1.15 | ||
| HEAT RESISTANCE 70 H . AT 100℃ | |||
| CHANGE IN HARDNESS, POINTS | 10 | 2 | |
| CHANGE IN TENSILES STRENGTH,% | -25 | -4.1 | |
| ULTIMATE ELONGATION,MAX % | -25 | -3.4 | |
| COMPRESSION SET, MAX, 22H AT 70℃ | 25 | 8 | |
| RESISTANCE TO OZONE | |||
| EXPOSURE METHOD B | N0 CRACK | PASS | |
| WATER RESISTANCE:100℃,70H (EA14) | |||
| VOLUME CHAGE,% | ±5 | 3.7 | |
| LOW-TEMPERATURE BRITTLENESS NONBRITTLE | |||
| AFTER 3MIN AT -55°C (F19) | NONBRITTLE | PASS | |
Detailed Images:
Name: EPDM O RING Standard: AS568
Company Profile:
RuiChen Sealing Co., Ltd was established in 2006, with nearly 200 employees.The company is located in GuangDong province and JiangXi province, be named as, DongGuan RuiChen Sealing Co., Ltd. And ShangRao RuiChen Sealing Co., Ltd.
RuiChen (Rubber seals manufacture) is a reputable company that has passed the ISO9001 and ISO/TS16949 quality system certification.Since its establishment, the company has always focused on the research and production of rubber seals, there are more than 6800 molds of o-rings and other kinds of sealing ring, especially o-rings, containing almost the basic common size.Our products are widely used in all kinds of auto parts, with the maturing of new energy technology and new energy cars put into use, our company is focus on the development and production of sealing products associated with new energy.
RuiChen aims to meet the needs of customers,meanwhile,we have good faith,keep a contract and guarantee the quality of products.In 2009, the company launched enterprise resource planning (ERP) system to monitor production plan, delivery date, quality statistics and analysis, etc., to further improve the overall control and customer service.It provide strong guarantee for long-term and stable service to our customers.
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