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Hulinzhai Village, Xiaoluzhai Town, Julu County, Hebei Province

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O-ring

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Product description
Parameters

List of characteristics and uses of various rubber materials
 

The characteristics of various rubber materials and the introduction of representative materials of our society.

 

Rubber name (ASTM mark)

General features

(main use)

Nitrile rubber(NBR)

Low to medium nitrile

Good balance between oil resistance and cold resistance.
Elastic, good abrasion resistance. Poor ozone resistance.

General gasket, sealing material, O-ring and adhesive

Medium high to high nitrile

Good oil resistance and fuel oil resistance.
Cold resistance, ozone resistance is slightly poor.

Diaphragm and gasket for automobile and gas

Very high nitrile

Very good resistance to fuel oil.
Poor cold resistance.

Gasket and valve for automobile

High nitrile + PVC

Good resistance to fuel oil, oxidation resistance and ethanol blended gasoline.
The compression deformation resistance is slightly poor.

Diaphragm and gasket for fuel.

Hydrogenated nitrile rubber(NBM/HNBR)

Low to medium nitrile

It has a wide range of application temperature and good oil resistance.

Oil seal, washer, O-ring

Medium high to high nitrile

Good oil resistance, heat resistance and friction resistance.
It is resistant to ethanol blended gasoline and slightly weak in cold resistance.

Fuel, oil, diaphragm, gasket

High nitrile + PVC

Good resistance to fuel oil and ethanol blended gasoline,
Cold resistance, poor compression deformation resistance.

Diaphragm for fuel

Fluororubber(FKM)

Binary system

Good heat resistance, compression resistance and fuel oil resistance.
Poor plug resistance and methanol resistance.

Automotive seals, O-rings, diaphragms

Ternary system

Good heat resistance, compression resistance and fuel oil resistance.
The methanol resistance is general. Poor cold resistance.

Automotive fuel hose, O-ring, diaphragm

Special ternary system
(containing high fluorine)

It is resistant to methanol, medicine and water.
Cold resistance is very poor.

Automotive fuel seal, valves.

4-fluoroethylene

The drug resistance (acid and alkali) was good,
Cold resistance and oil resistance are poor.

Sealing materials for water resistance

Cold resistant type

It has good cold resistance and fuel oil resistance.
Poor wear resistance.

Automotive fuel seal, O-ring, diaphragm

Fluoroether rubber(FO)

Heat resistance, plug resistance, oil resistance, fuel oil resistance,
Good solvent resistance. high price.

Automotive fuel seal, solvent seal, O-ring

Fluorosilicone rubber(FVMQ)

Heat resistance, cold resistance, good fuel resistance.
The strength and gas penetration resistance are poor. high price.

Automotive seal, O-ring, diaphragm

Silicon rubber(Q)

Methyl silicon
(MQ)

Good heat and cold resistance. There are liquid products.
Poor strength and fuel oil resistance.

Medical products, food products

Polyvinyl chloride methyl silicon
(VMQ)

Good heat resistance, cold resistance and deflection resistance.
Poor strength and fuel oil resistance.

High temperature sealing material, O-ring, oil seal

Phenylmethylsilicon
(PMQ)

It has excellent cold resistance.
Poor strength and fuel oil resistance.

Sealing material for ultra low temperature, diaphragm, O-ring

Chloro ether rubber

Homopolymer type
(CO)

Durable oil, fuel oil and gas penetration resistance.
Poor cold resistance. It has metal contamination.

Automobile diaphragm, seal

Terpolymer
(ECO)

Oil resistant, fuel resistant, cold resistant.
It has metal contamination.

Automobile diaphragm, seal

Polyacrylate rubber

Heat resistant, oil resistant and ozone resistant.
Water resistance, cold resistance and processability are poor.

Oil seal, washer

EPDM rubber

EPDM rubber
(EPM)

It has good heat resistance, cold resistance, ozone resistance and water resistance.
Oil resistance and poor processability.

Water resistant, brake parts

EPDM rubber

It has good heat resistance, cold resistance, ozone resistance and water resistance.
Poor oil resistance.

Water resistant, brake parts

Chloroprene rubber

Good balance of oil resistance, heat resistance and cold resistance. Poor processability.
There is metal contamination.

Hose, drive belt, washer

Butadiene styrene rubber

Good friction resistance.
Poor ozone and oil resistance.

Tire, drive belt

Butyl rubber
(IIR)

The glass penetration resistance and ozone resistance are good.
The resilience is small.

Inner tube, anti vibration material

Natural rubber
(NR)

It has good cold resistance and friction resistance.
High elasticity, poor oil and ozone resistance.

Tire, ball, anti vibration material

Polyurethane rubber
(U)

High mechanical strength, good friction resistance,
Poor water resistance.

Buffer, washer

 

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