Oil-Resistant Hard Buna-N O-Ring Cord Stock

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	Cross Section Shape Cross Section Shape

	Round

	System of Measurement System of Measurement

Inch

Metric

	Width Width

	Length Length

	Fractional Width Fractional Width

1/8

3/16

1/4

	Hardness Rating Hardness Rating

	Hard

	Hardness Hardness

Durometer 90A

	Color Color

	Black

	Material Material

Rubber

	For Use With For Use With

	Specifications Met Specifications Met

ASTM

	Maximum Temperature Maximum Temperature

Less than 250° F

	Minimum Temperature Minimum Temperature

-49° to 0° F

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About O-Rings

Harder than standard Buna-N cord stock for better wear resistance. It resists hydraulic oils, motor oil, petroleum fluids, and ethylene glycol. Use it to make round-profile O-rings, which are suitable for a wide range of static and dynamic sealing applications.

Inch

Wd.
Fractional	Actual	Hardness	Specifications Met	Temperature Range, °F	Color	Lengths, ft.		Per Ft.
1/8	0.139"	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	000000	00000
3/16	0.210"	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	000000	0000
1/4	0.275"	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	000000	0000

Metric

Wd., mm	Hardness	Specifications Met	Temperature Range, °F	Color	Lengths, ft.		Per Ft.
2	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	0000000	00000
2.5	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	0000000	000
3	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	0000000	000
3.5	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	0000000	000
4	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	0000000	000
4.5	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	0000000	000
5	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	0000000	000
5.5	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	0000000	000
6	Durometer 90A (Hard)	ASTM D2000	-25° to 212°	Black	3, 10, 20, 50, 100	0000000	000

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