NBR O-ring Buna-N Oring Seal

NBR O-ring Buna-N Oring Seal.Hardness 40 Shore A-90 Shore A.Size ID 1mm to 1200mm.Working Temperature -30℃~+150℃.NBR compounds have excellent resistance to abrasion, non-polar oils and solvent, water and permeation (higher acrylonitrile content will be better). NBR also can be used in conditions of dilute acids, alkalis and salt solution at low temperatures.

Product Details

NBR O-ring Buna-N Oring Seal

Product Name
NBR O-ring Buna-N Oring Seal
Hardness40 Shore A-90 Shore A
SizeID 1mm to 1200mm
Working Temperature -30℃~+150℃
UsageFuel tank, grease-box, hydraulic, gasoline, water, silicone oil, etc.

Images oNBR O-ring Buna-N Oring Seal

NBR Rubber O-ring Material Feature

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
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 150°
Aging Weather-Sunlight:Poor
Adhesion To Metals:Good to Excellent
Usal Hardness range:50-90 shore A

1. Has good solvent, oil, water and hydraulic fluid resistance.
2. Good compression set, abrasion resistance and tensile strength.

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

hydrocarbons and nitro hydrocarbons.


1). Products in stock, delivery time is within 3 workday;

2). Products out of stock, and mold in stock, delivery time is 5~7 workdays;
3). Products out of stock, and mold out of stock, delivery time is 10~15 workdays.

Remark: Delivery time is also subject to quantity.


SVKS Seal, with over 10 years experience, is one of the leading nbr o-ring buna-n oring seal manufacturers and suppliers in China. And we also offer the customized service catering to your special requirement. Please be free to buy the rubber products with competitive price from us.
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