Famous Best Back-Up Ring Pricelist – High quality Sealing Rubber X-Ring – Yokey
Famous Best Back-Up Ring Pricelist – High quality Sealing Rubber X-Ring – Yokey Detail:
Different Material Rubber Parts
Silicone O-ring Gasket
1. Name: SIL/ Silicone/ VMQ
3. Working Temp.: -60 ℃ to 230 ℃
4. Advantage: Excellent resistance to Low temp. heat and elongation;
5. Disadvantage: Bad performance to tear, abrasion, gas, and Alkaline.
EPDM O-ring
1. Name: EPDM
3. Working Temp.:-55 ℃ to 150 ℃
4.Advantage:Excellent resistance to Ozon ,Flame, Weathering.
5.Disadvantage:Poor resistance to Oxygen Ated-solvent
FKM O-ring
FKM is a better grade compound which is well suited for prolonged exposure to oils at high operating temperatures.
FKM is also good for steam applications. Operating temperature range is -20℃ to 220℃ and is manufactured in black,white and brown. FKM is phthalate free and also available in metal detectable/x-ray inspectable.
Buna-N NBR Gasket 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
Low Temperature Usage (°F):-30° to – 40°
High Temperature Usage (°F):to 250°
Aging Weather-Sunlight:Poor
Adhesion To Metals:Good to Excellent
Usal 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
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.
Workshop
Product detail pictures:


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To get the stage of realizing dreams of our employees! To build a happier, more united and much more skilled crew! To reach a mutual benefit of our prospects, suppliers, the society and ourselves for Famous Best Back-Up Ring Pricelist – High quality Sealing Rubber X-Ring – Yokey , The product will supply to all over the world, such as: Malta, Berlin, Naples, To win customers' confidence, Best Source has set up a strong sales and after-sales team to deliver the best product and service. Best Source abides by the idea of Grow with customer and philosophy of Customer-oriented to achieve cooperation of mutual trust and benefit. Best Source will always stand ready to cooperate with you. Let's grow together!

This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
