Product		Dimensions	Material	Hardness (Shore A)	Certification	Stock	From price
	O-ring Black	139.3x3.53	HNBR - Buna	70 Shore A		260	€ 5,78
	O-ring Black	215.49x3.53	HNBR - Buna	70 Shore A		280	€ 8,87
	O-ring Black	72.62x3.53	HNBR - Buna	70 Shore A		488	€ 2,77
	O-ring Black	123.42x3.53	HNBR - Buna	70 Shore A		429	€ 5,08
	O-ring Black	50.47x2.62	HNBR - Buna	70 Shore A		1153	€ 2,54
	O-ring Black	75.57x5.33	HNBR - Buna	70 Shore A		5	€ 5,63
	O-ring Black	110.72x3.53	HNBR - Buna	70 Shore A		26	€ 4,09
	O-ring Black	31.34x3.53	HNBR - Buna	70 Shore A		860	€ 2,33
	O-ring Black	47.29x2.62	HNBR - Buna	70 Shore A		1242	€ 2,40
	O-ring Black	61.6x2.62	HNBR - Buna	70 Shore A		1794	€ 3,10
	O-ring Black	94.84x3.53	HNBR - Buna	70 Shore A		773	€ 3,51
	O-ring Black	155x4	HNBR - Buna	70 Shore A		4	€ 8,64
	O-ring Black	104.14x5.33	HNBR - Buna	70 Shore A		82	€ 7,51
	O-ring Black	139.07x6.99	HNBR - Buna	70 Shore A		26	€ 11,99
	O-ring Black	56x3	HNBR - Buna	70 Shore A		2	€ 4,58
	O-ring Black	84.4x3.1	HNBR - Buna	70 Shore A		851	€ 3,39
	O-ring Black	158.35x3.53	HNBR - Buna	70 Shore A		224	€ 6,63
	O-ring Black	180x8	HNBR - Buna	70 Shore A		39	€ 36,81
	O-ring Black	304.17x5.33	HNBR - Buna	70 Shore A		5	€ 18,74
	O-ring Black	2.9x1.78	HNBR - Buna	70 Shore A		38805	€ 0,11
	O-ring Black	168x4	HNBR - Buna	70 Shore A		249	€ 9,57
	O-ring Black	60.04x1.78	HNBR - Buna	70 Shore A		2747	€ 1,92
	O-ring Black	142.24x5.33	HNBR - Buna	70 Shore A		14	€ 10,69
	O-ring Black	113.9x3.53	HNBR - Buna	70 Shore A		25	€ 4,62
	O-ring Black	164.7x3.53	HNBR - Buna	70 Shore A		172	€ 7,05
	O-ring Black	329.57x6.99	HNBR - Buna	70 Shore A		21	€ 33,48
	O-ring Black	38x2	HNBR - Buna	70 Shore A	AED	35	€ 1,80
	O-ring Black	21.82x3.53	HNBR - Buna	70 Shore A		2454	€ 1,51
	O-ring Black	34.65x1.78	HNBR - Buna	70 Shore A		175	€ 0,94
	O-ring Black	18.72x2.62	HNBR - Buna	70 Shore A		6650	€ 0,83
	O-ring Black	33.05x1.78	HNBR - Buna	70 Shore A		7414	€ 0,89
	O-ring Black	12.37x2.62	HNBR - Buna	70 Shore A		1278	€ 0,59
	O-ring Black	28.17x3.53	HNBR - Buna	70 Shore A		1988	€ 1,91
	O-ring Black	47x5.33	HNBR - Buna	70 Shore A		664	€ 3,31
	O-ring Black	8.92x1.83	HNBR - Buna	70 Shore A		584	€ 0,27
	O-ring Black	20.22x3.53	HNBR - Buna	70 Shore A		3767	€ 1,42
	O-ring Black	30x4	HNBR - Buna	70 Shore A	AED	152	€ 3,55
	O-ring Black	443.36x6.99	HNBR - Buna	70 Shore A		14	€ 48,62
	O-ring Black	135x2.5	HNBR - Buna	70 Shore A	AED	633	€ 5,34
	O-ring Black	37.69x3.53	HNBR - Buna	70 Shore A		565	€ 2,75

HNBR 70 Shore A – Black

The hardness of this HNBR (Hydrogenated acrylonitrile-butadiene rubber) O-ring is 70 Shore A. This HNBR O-ring has an operating temperature of -30 °C to +150 °C. With special grades, you can achieve -50 °C. The color of this O-ring is black.

The NBR O-ring is resistant to:

• Water (max 80 °C)
• Pressure fluids HFA, HFB, HFC
• Oil and fats based on mineral oil
• Silicone oils and Silicone fats
• Vegetable and animal oils and fats
• Aliphatic hydrocarbons
• Hydraulic oils H, H-L, H-LP

The O-ring of NBR is not resistant to:

• Ozone, weather conditions, aging
• Pressure fluids HFD
• Chlorinated hydrocarbons
• Motor fuels with a high content of aromatics
• Aromatic hydrocarbons
• Polar solvents
• Brake fluids based on glycol