China Professional Supplier FEP Encapsulated O-Ring to Bhutan Importers

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Encapsulated O Ring adopts special rubber resisting high temperature, F+ plastic and special engineering to compound this sealing product. It not only has low contraction permanent set functions of rubber O Ring, but also resistant heat, cold oil, friction, chemical corrusion and other performances. It can be used in all kind of dynamical seal and static seal widely, meanwhile can replace all traditional rubber and plastic O Ring. Technical Data Sheet Property Unit Result A B ...

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China Professional Supplier FEP Encapsulated O-Ring to Bhutan Importers Detail:

Technical Data Sheet

Property		Unit	Result
Property		Unit	A	B	C
Normal Conditions	Hardness	JIS Hs	70~90	70~90	60~75
	Elongations(min.)	%	60	60	80
	Tensile Stress(min)	Mpa	16	16	16
	Compressibility	%	50~60	50~60	60~75
	Recovery	%	＞85	＞85	＞70
	Permanentset	%	＜10	＜10	＜10
230°Cx24h hot air ageing	Change of hardness(max)	JIS Hs	-5~+5	-5~+5	-5~+5
	Change of Tensile Stress(max)	%	-15	-15	-15
	Change of Elongation(max)	%	-20	-20	-20
Compression Permanentset	175°Cx70h	%	≤20	≤20	≤20
Color			Brown	Black	Red
Applications	Temperature Limited	℃	-20~+250	-20~+200	-20~+200
	Pressure Limited	Mpa	0~35
	Working Environment		Strong Caustics, moderate acids, chlorine, gases, water, steam, hydrocarbons, hydrogen and aluminum fluoride except element fluorine and fusion sodium.

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China Professional Supplier FEP Encapsulated O-Ring to Bhutan Importers, The product will supply to all over the world, such as: , , ,

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Modular back-ups, MB profile, are specifically designed to compliment the PolyPak profiles. To help make the selection and ordering of the correct part number for the MB profile easy and efficient, the part numbering system used is very similar to that of the PolyPak. By formulating high modulus blends of Molythane (4617) and PolyMyte (4652), Parker has ensured that MB back-ups can be used with either type of base sealing material while maintaining the expected temperature range and fluid compatibility. The robust design ensures pressure ratings up to 10,000 psi are met.

Back-up rings are the most common anti-extrusion devices in dynamic sealing. They provide simple solutions to safely increase system pressure or solve an existing seal extrusion problem. Back-up rings function by positioning a more robust material adjacent to the extrusion gap, taking the seal’s place and providing a barrier against high pressures. Back-ups can be used to offset the reduced pressure rating effects of wear rings or to improve seal life at increased pressures. They can also be used to protect seals against pressure spikes, or to ensure seal performance at higher temperatures.