NSF Grommet

NSF rubber grommet 1.Material: Rubber 2.Hardness: 30-85 shore A 3.Color: Available 4.Tolerance meet ISO3302-M1

Customized different rubber grommet

1. Material: EPDM/NBR/CR/NR/Silicone/FKM/Viton/SBR/HNBR

2. Hardness: 30 ~85 shore A

3. Any color

4. Welcome OEM.

Material selection reference below chart:

 

Material		Natural Rubber	(SBR)	Butyl	EPDM	Neoprene	Nitrile
Physical		(NR)		(IIR)		(CR)	(NBR)
PHYSICAL PROPERTIES	Specific Gravity	0.93	0.94	0.92	0.86	1.1	1
		1.45	1.2	1.1	1.3	1.35	1.2
	Hardness Rang(Shore A°)	30-100	35-100	30-90	30-90	35-95	30-100
	Tensile Strength Max(psi Rm.Temp)	4000	3000	2500	3000	3000	3000
	Elongation Max(% Rm.Temp)	750	600	700	600	600	600
	Resilience	E	G	P-F	G	G-E	F-G
	Compression Set	G	F	P-G	G	F-G	G
	Impermeablity to Gases	F	F	E	F	F-G	G
	Flex Cracking Resistance	F	G	G	G	G	F
	Tear Strength	E	F	G	F-G	F-G	F-G
	Abrasion Resistance	E	G-E	G	G-E	G-E	G-E
	Impact Strength	E	E	G	G	G-E	F-G
	Cut Growth Resistance	E	G	E	G	G	G
ENVIRONMENT RESISTANCE	Oxidation Resistance	F-G	F-G	E	G-E	G-E	F-G
	Ozone Resistance	P	P	G-E	E	G	P
	Weathering Resistance	F	F	E	E	G	F-G
	Sunlight Resistance	P-F	F	E	E	G-E	P-F
	Water Resistance	E	G-E	E	E	G	G-E
	Flame Resistance	P	P	P	P	G	P
	Heat Resistance	F	F-G	G	G-E	F-G	G
	Low Temperature Flexibility	G-E	G	F-G	G-E	F	F-G
CHEMICAL RESISTANCE	Oil and Gasoline	P	P	P	P	F-G	G-E
	Animal & Vegetable Oile	F	F	G-E	G	G	G-E
	Alcohols	G	G	G	F-G	G-E	F-G
	Alkalies	F	F	E	G-E	E	G-E
	Acids	F-G	F-G	G-E	G	G	G
	Aliphatic Hydrocarbon solvents	P	P	P	P	G	E
	Aromatic Hydrocarbon solvents	P	P	P	P	P-F	F-G
	Oxygenated Solvents	G	G	G-E	G-E	P-F	P
	E=Excellent      G=Good     F=Fair     P=Poor

NSF Grommet