AS568-910 Buna-N 70 Duro Black FDA O-Ring for ID X CS

Buna-N O-Rings 70 Duro Black FDA BN700101-910

$ 0.0921 per Each

Minimum Order Quantity (MOQ): 326

Ships within 10 days

Qty	Price
326 - 380	$0.0921
381 - 814	$0.0691
815 - 1628	$0.0553
1629 - 3257	$0.0414
3258 - 6514	$0.0322
6515+	$0.0276

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Product Details

Material	Buna-N
Temperature Range	-40°F to 250°F
Cross Sectional Shape	Round
Hardness	70
Dash	910
Actual (Inch)	ID: 0.755 ± 0.009 CS: 0.097 ± 0.003 OD: 0.949
Actual (Metric)	ID: 19.18 ± 0.23 CS: 2.46 ± 0.08 OD: 24.100

FDA-approved Buna-N (Nitrile) O-rings are made from a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene, specially formulated to meet the Food and Drug Administration (FDA) requirements for food contact applications. These O-rings offer excellent resistance to oils, fuels, and many chemicals while being compliant with FDA regulations for safe use in food processing, pharmaceutical, and medical industries. FDA Buna-N O-rings provide high mechanical strength, outstanding wear resistance, and good tensile strength, making them ideal for sanitary applications.

FDA Buna-N Recommended Uses

Seals and gaskets for food and beverage processing, pharmaceutical applications, medical devices, sanitary sealing applications, food handling equipment, and laboratory applications.

FDA Buna-N Not Recommended

Brake fluid, ozone, UV exposure, phosphate esters, chlorinated hydrocarbons, aromatic hydrocarbons, ketones, strong acids, atmospheric aging.

FDA Buna-N Limitations

Not suitable for ozone, sunlight, or weathering exposure.
Limited performance in high-temperature environments.
Not ideal for strong acids and alkalis.
Not recommended for applications requiring low compression set.

FDA Buna-N Usable Temperature Range

-30 to 250°F (-34 to 121°C)

FDA Buna-N Also Known As

FDA Buna-N, Nitrile, NBR, Nitrile Butadiene Rubber (FDA Compliant).