Rubber expansion joint-Hensen Sealing_Gaskets

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Rubber expansion joint

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Rubber products have a wide range of applications. They are vulcanized with polymers, and fillers, pigments and various additives are added to form synthetic rubber. They have excellent compressibility and resilience. They can play an effective sealing role under low-temperature and low-pressure working conditions with only a very low-pressure pre-tightening force. They are easy to disassemble and assemble and can also achieve good sealing effect on uneven sealing surfaces. Because rubber has excellent expansibility and permeability resistance, A very effective seal is formed against the passage of gases and fluids. Commonly used rubber gasket materials are natural rubber, nitrile rubber, neoprene, ethylene propylene rubber, silicone rubber, fluorine rubber and so on. The main products are gaskets, oil seals, O-rings, sealing strips, pipes and special-shaped customized products.

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Rubber products have a wide range of applications. They are vulcanized with polymers, and fillers, pigments and various additives are added to form synthetic rubber. They have excellent compressibility and resilience. They can play an effective sealing role under low-temperature and low-pressure working conditions with only a very low-pressure pre-tightening force. They are easy to disassemble and assemble and can also achieve good sealing effect on uneven sealing surfaces. Because rubber has excellent expansibility and permeability resistance, A very effective seal is formed against the passage of gases and fluids. Commonly used rubber gasket materials are natural rubber, nitrile rubber, neoprene, ethylene propylene rubber, silicone rubber, fluorine rubber and so on.
The main products are gaskets, oil seals, O-rings, sealing strips, pipes and special-shaped customized products.

Performance parameters

Material	Code	Hardness	Working temperature (℃)	Application occasions
Natural rubber	NR	65	-70~ 120	Inorganic salts, ammonia, weak acids and alkalis, etc.
Neoprene	CR	70	-40~ 120	Brine, common refrigerant, carbon dioxide, Non-oxidizing dilute acid, alkali, etc.
butyl rubber	NBR	80	-59~ 120	Oil in hydraulic oil, hexylene glycol and water emulsion, Inorganic and animal and vegetable oils, hot water, fuel, petroleum, dilute acid, Alkali and low temperature salt solution, silicone oil and grease.
butyl rubber	IIR	80	-59~ 120	Water, grease, acid, alkali solution, electrode solvent, ozone, etc.
Fluorine rubber	FPM	75	-20~ 200	Hot oils, aromatic solvents, chemicals, vegetable oils and greases, Natural gas, fuel (including alcohol), ozone, steam, hot water, Air, dilute acid, etc.
EPDM rubber	EPDM	80	-57~ 150	Water, alcohol, hexylene glycol, ketone, Siloxane oil and grease, weak acid, etc.
styrene-butadiene rubber	SBR	80	-40~ 100	Hot water, oxygen, water, machine oil, animal and vegetable oil, Fire hydraulic fluid, diluted salt solution, ozone, etc.
Silicone rubber	SI	70	-55~ 200	Hot air, oxygen, water, machinery and transmission oil, Animal and vegetable oils and greases, non-petroleum brake fluids, Fire hydraulic fluid, diluted salt solution, ozone, etc.