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green brown NBR FKM EPDM Silicone Food Grade HNBR O Ring

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green brown NBR FKM EPDM Silicone Food Grade HNBR O Ring

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Brand Name : ZIQUN

Model Number : NBR rubber o ring

Certification : ISO9001 14001 16949

Place of Origin : guangzhou,china

MOQ : 100Pcs

Price : Negotiable

Payment Terms : Western Union, MoneyGram, T/T, D/P, D/A, L/C

Supply Ability : 10000Pcs/7Days

Delivery Time : 15-40Work days

Packaging Details : The default is ZIQUN brand packaging, if you have special packaging needs, please contact our company, we will provide you with the best service.

Production equipement : CNC Machines, auto-batching system, inter-mixing, vulcanizer

Material : Rubber, Silicone rubber food grade

Application : Industry, electronics, hydraulic, pneumatic sealling

Color : Red green brown... etc.

Size : Inner Diameter*Outer Diameter* Cross Section

Delivery time : 1-2 days if in stock, 5-10 days if not in stock

Feature : Chemical & Oil & Water & High Temperature & Low Temperatur

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Green Brown NBR FKM EPDM Silicone Food Grade HNBR O Ring

NBR Rubber O-Rings Seals Factory Outlet FKM EPDM Silicone HNBR

Sealing ring, also known as O-shaped sealing ring, is a kind of accessories for sealing, mainly including V-shaped sealing ring, U-shaped ring, O-shaped sealing ring, rectangular sealing ring, Y-shaped sealing ring, and YX-type sealing for holes Ring, YX type retaining ring for hole, YX type retaining ring for shaft, YX type sealing ring for shaft, etc.



(Shore A)

Temperature Size
Standard Size Available

NBR(Buna, Nitrile)FKM(VlTON, FPM)




FFKM(FFKM, Kalrez)













AS-568(USA) o ring nbr





R(France)rubber o-ring



Resistance Color Certificate Application

Hydraulic Fluid

Engine Oil


Ozone & UV

Steam & Hot Water

Low Temperature

High Temperature
















Auto Industry

Construction Machinery

Machine Tool Equipment

Food Health

Water Treatment

Chemical Processing

Hydraulic Pneumatic

Industrial Manufacturing

1. NBR nitrile rubber sealing ring: suitable for petroleum hydraulic oil, glycol hydraulic oil, diester lubricating oil, gasoline, water, silicone grease, silicone oil and other media. It is the most versatile and lowest cost rubber seal. Not suitable for polar solvents, such as ketones, ozone, nitro hydrocarbons, MEK and chloroform. The general use temperature range is -40~120℃.

2. HNBR hydrogenated nitrile rubber seal ring: It has excellent corrosion resistance, tear resistance and compression deformation resistance, ozone resistance, sunlight resistance, and better weather resistance. It is suitable for washing machinery, automobile engine system and refrigeration system using new environmentally friendly refrigerant R134a. It is not recommended to be used in alcohol, ester or aromatic solutions. The general use temperature range is -40~150℃.

3. SIL silicone rubber sealing ring: It has excellent heat resistance, cold resistance, ozone resistance, and atmospheric aging resistance. Has good insulation properties. But the tensile strength is worse than general rubber and it has no oil resistance. Suitable for household appliances such as electric water heaters, electric irons, microwave ovens, etc. It is also suitable for all kinds of articles that are in contact with the human body, such as kettles, drinking fountains, etc. It is not recommended to use in most concentrated solvents, oils, concentrated acids and sodium hydroxide. The operating temperature range is -55~250℃.

4. VITON fluorine rubber sealing ring: high temperature resistant tertiary silicone rubber, has excellent weather resistance, ozone resistance and chemical resistance, but poor cold resistance. It has resistance to most oils and solvents, especially acids, aliphatic hydrocarbons, aromatic hydrocarbons and animal and vegetable oils. It is suitable for the sealing requirements of diesel engines, fuel systems and chemical plants. Not recommended for use in ketones, low molecular weight esters and nitrated mixtures. The general use temperature range is -20~250℃.

5, FLS fluorosilicone rubber sealing ring: its performance has the advantages of fluorocarbon rubber and silicone rubber, oil resistance, solvent resistance, fuel oil resistance and high and low temperature resistance. Resistant to oxygen-containing compounds, solvents containing aromatic hydrocarbons are generally used for aviation, aerospace and military purposes. It is not recommended to expose to ketones and brake fluid. The general use temperature range is -50~200℃.

6. EPDM rubber seal ring: It has good weather resistance, ozone resistance, water resistance and chemical resistance. It can be used for alcohols and ketones, and can be used as a seal in high temperature water vapor environment. Suitable for sanitary ware, car radiator and car brake system. Not recommended for food use or exposure to mineral oil. The general use temperature range is -55~150℃.

7, CR chloroprene rubber sealing ring: sunlight resistance, weather resistance performance is particularly good. It is not afraid of refrigerants such as dichlorodifluoromethane and ammonia. It is resistant to dilute acid and silicone grease, but it has a large expansion in mineral oil with low aniline point. It is easy to crystallize and harden at low temperatures. It is suitable for all kinds of environments exposed to the atmosphere, sunlight, ozone and all kinds of flame-resistant and chemical-resistant sealed environments. It is not recommended to use in strong acids, nitro hydrocarbons, esters, chloroform and ketones. The general use temperature range is -55~120℃.

8. IIR butyl rubber sealing ring: particularly good air tightness, heat resistance, sunlight resistance, ozone resistance, good insulation performance; it has good resistance to polar solvents such as alcohols, ketones, esters, etc., and can be exposed Suitable for chemical resistance or vacuum equipment. It is not recommended to use it with petroleum solvents, kerosene or aromatic hydrocarbons. The general use temperature range is -50~110℃.

9, ACM acrylic rubber sealing ring: It has excellent resistance to oil, high temperature resistance and weather resistance, but the mechanical strength, compression set and water resistance are slightly poor. Generally used in automobile transmission systems and power steering systems, the general operating temperature range is -25~170°C.

10. NR natural rubber sealing ring: has good wear resistance, elasticity, tear strength and elongation. But it is easy to age in the air, becomes sticky when heated, and is easy to swell and dissolve in mineral oil or gasoline, and it is suitable for use in liquids with hydroxide ions such as automobile brake oil and ethanol. The general use temperature range is -20~100℃.

11, PU polyurethane rubber sealing ring: polyurethane rubber has very good mechanical properties, abrasion resistance, and the average value of high pressure resistance is far from other rubbers. The aging resistance, ozone resistance, and oil resistance are also quite good, but high temperature resistance, wear resistance and sealing properties are generally used at high temperatures, such as hydraulic cylinders. The general use temperature range is -45~90℃.

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Food Grade HNBR O Ring

China green brown NBR FKM EPDM Silicone Food Grade HNBR O Ring wholesale

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