Viton O ring.

Abbreviation :FKM

Common Name :Fluoro Elastomers

ASTM D-2000 classification:HK

Military(Mil-Std417) :MIL=R-25897/MIL-R-83248

Chemical Definition :Fluorinated Hydrocarbon

Durometer-Range (Shore A) :60-90

Tensile Range (P.S.I) :500-2000

Elongation (Max.%) :300

Compression Set:Good

Resilience-Rebound:Fair

Abrasion Resistance:Good

Tear Resistance:Good

Solvent Resistance:Excellent

Oil Resistance:Excellent

Temperature Usage ( °C ) :-10~600

Aging Weather- Sunlight:Excellent

Adhesion To Metals:Good

Advantage:

1. Heat resistance up to 600°F

2. Resistance to wide range of oils and solvents; specially all aliphatic, aromatic and halogenated hydrocarbons, acids, animal and vegetable oils.

Disadvantage:

1. Not recommended for ketones, low molecular weight esters and nitro containing compounds.

Usage:

Automobile,motorcycle,diesel engine,and fuel system

Silicone O ring.

Abbreviation :silicone

ASTM D-2000 classification:FC,FE,CE

Military(Mil-Std417) :TA

Chemical Definition :polysiloxane

Durometer-Range (Shore A) :30-90

Tensile Range (P.S.I) :200-1500

Elongation (Max.%) :700

Compression Set:Good

Resilience- Rebound:Good

Abrasion Resistance:Fair to poor

Tear Resistance:poor

Solvent Resistance:poor

Oil Resistance:Fair to poor

Temperature Usage ( °C ) :-150~450

Aging Weather- Sunlight:Excellent

Adhesion To Metals:Good

Advantage:

1.after modulating formula, the tensile strength up to 1500 psi, and tear resistance up to 88 LBS.

2.Good elasticity and good compression deformation.

3.good resistance to neutral solvent.

4.excellent heat resistance.

5.With excellent cold resistance.

6.with excellent resistance to erosion of ozone and oxides .

Disadvantage:

1.Does not recommend is suitable for most concentrated solvent, oil, concentrated acid after dilute sodium hydroxide

Usage: 

Appliance:electric kettle,electric iron,Microwave owen,etc

Keypad,heat shock in DVD,cable connector

NBR O ring.

Abbreviation: NBR

Common Name:Buna N, Nitrile, NBR

Chemical Definition:Butadiene Acrylonitrile

General Characteristics:Waterproof,oilproof

Durometer-Range (Shore A):20-95

Tensile Range (P.S.I):200-3000

Elongation (Max.%):600

Compression Set:Good

Resilience-Rebound:Good

Abrasion Resistance:Excellent

Tear Resistance:Good

Solvent Resistance:Good to Excellent

Oil Resistance:Good to Excellent

Temperature Usage ( °C ):-40~250

Aging Weather-Sunlight:Poor

Adhesion To Metals:Good to Excellent

Usual Hardness range:50-90 shore A

Advantage:

1. Has good solvent, oil, water and hydraulic fluid resistance.

2. Good compression set, abrasion resistance and tensile strength. 

Disadvantage:

1. Not recommended for using in highly polar solvents such as acetone, and MEK, ozone, chlorinated hydrocarbons and nitro hydrocarbons.

Usage: fuel tank, grease-box, hydraulic, gasoline, water, silicone oil, etc

HNBR O ring.

Abbreviation:HNBR

Common Name:HNBR

Chemical Definition:Hydrogenated AcrylonitrileButadiene

General Characteristics:abrasion, compression set, tensiles

Durometer-Range (Shore A) :50-90

Tensile Range (P.S.I) :2600

Elongation (Max.%):530

Compression Set:Excellent

Resilience- Rebound:Excellent

Abrasion Resistance:Excellent

Tear Resistance:Excellent

Solvent Resistance:Good

Oil Resistance:Excellent

Temperature Usage ( °C ) :-65~350

Aging Weather- Sunlight:Excellent

Adhesion To Metals:Good

Usual Hardness range:60-80 shore A

Usage: Fridge,automobile engine,etc

EPDM O ring.

Abbreviation:EPDM

Common Name:EPR, EPT, EPDM

ASTM D-2000 classification:CA

Military(Mil-Std417) :RS

Chemical Definition:Ethylene Propylene

Durometer-Range (Shore A) :30-90

Tensile Range (P.S.I) :500-2500

Elongation (Max.%) :600

Compression Set :Good

Resilience-Rebound :Good

Abrasion Resistance:Good

Tear Resistance:Fair

Solvent Resistance:Poor

Oil Resistance:Poor

Temperature Usage ( °C ):-20~350

Aging Weather- Sunlight:Excellent

Adhesion To Metals:Fair to Good

Usual Hardness range:50-90 shore A

Usage: Sanitary ware; brake; radiator

NR O ring.

Abbreviation:NR

Common name:Nature Rubber

ASTM D-2000 classification:AA

Military(Mil-Std417) :RN

Chemical Definition :polyisoprene

Durometer-Range (Shore A) :20-90

Tensile Range (P.S.I) :500-3500

Elongation (Max.%) :700

Compression Set:Excellent

Resilience- Rebound:Excellent

Abrasion Resistance:Excellent

Tear Resistance:Excellent

Solvent Resistance:Poor

Oil Resistance:Poor

Temperature Usage ( °C ) :-60~175

Aging Weather-Sunlight:Poor

Adhesion To Metals: Excellent

Usual Hardness range:35-80 shore A

FAQ.

Frequently Asked Questions

1.What is your MOQ?

Our MOQ is 1000-2000 pcs

2.What is your lead time?

If there is in stock,the lead time will be 3-5 working days,if out of stock,it will be 7-10 working.

3.What is your payment?

We accept paypal,T/T,Western union,bank transfer.

4.What is your shipping way?

By Air:Fedex,DHL,T/T,EMS,UPS.. or by sea.

5. How do you guarantee the o ring is correct size ,material and hardness when I receive the goods.

Before shipping, we will send you our specification report.

6.For OEM or ODM order, how do I guarantee the product correctly meet my requirement.

Before we start to production, we will open a new sample mould to make a samples, after you confirm it, we will be ready to produce the goods in bulk.

 7. when we receive the goods, some of them were damaged, how do you solve it?

First, before shipment, we will inspect all product.Seocnd,Though they are well packed,sometimes damage can`t be avoided because of the rough handing during shipping. Third, In this case,please contact me and send the pictures to me,let me know the quantity which is broken,we will resend them to you with next order.