China Factory Price OEM Coating Seal Ring

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China Factory price OEM Coating Seal Ring

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Table of O Ring/X Ring Material and Chemical Compatibility

Material requirements

物性要求

Material grade

物性等级

Material name

材料名称

NBR(N)

HNBR(H)

EPDM(E)

VMQ(S)

FKM(V)

FFKM(K)

PTFE(F)

PU(U)

NR(R)

Resistance to ozone 

×

Resistance to outdoor

×

Heat resistance 

120

150

150

220

200

320

280

90

90

 Resistance to chemicals 

○△

◎○

×

Anti-oil  

×

○△

×

Sealing water 

Cold-resistant  

-40

-40

-50

-70

-20

-20

-100

-40

-60

Wear resistance   

◎○

×

◎○

◎○

Resistance to deformation 

◎○

◎○

×

×

◎○

Acid-proof  

◎○

×

○△

Alkali-proof 

◎○

×

Tensile strength 

◎○

◎○

×

◎○

◎○

△×

Resistance to water vapor 

×

○△

◎○

○△

○△

×

Fire-Resistant 

×

×

×

△×

×

Storage and stability 

5-10Y

5-10Y

5-10Y

ABT20Y

ABT20Y

ABT20Y

ABT20Y

ABT20Y

3-5Y

excellent  good  common  ×poor

Frequently Used Color Form 

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