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Precision Polymer V72G

Category:	Fluorelastomer , Fluoroelastomer
Manufacturer:	Precision Polymer Engineering Ltd.
Trademark:	Precision Polymer
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	Fx88Fc_Precision-Polymer-V72G.pdf
PRICE:	Order Products email sales@su-jiao.com

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Message
V72G is a fluoroelastomer (FKM) rubber, a Copolymer of vinylidene fluoride and hexafluoropropylene, coloured green for easy identification. FKM materials typically provide excellent resistance to heat, aliphatic and aromatic hydrocarbons, chlorinated solvents and petroleum fluids. Fluoroelastomers offer superior O-ring sealing force retention over most other oil-heat resistant elastomers, with the exception of perfluoroelastomers. V72G is accepted by the UK Ministry of Defence (MOD) to Defence Standard 02-337 part 1, issue 1 (NES 337) for use on naval ships and submarines. Available in any sized O-ring (fully moulded up to 2.5m/8ft internal diameter) and custom designed components. Key Attributes Excellent heat resistance and long-term sealing performance Broad chemical resistance Superior mechanical properties Coloured green for easy identification Accepted by M.O.D. to Def. Stan. NES 337 Typical Applications Naval ships and submarines Chemical processing equipment Pumps Valves

Message

V72G is a fluoroelastomer (FKM) rubber, a Copolymer of vinylidene fluoride and hexafluoropropylene, coloured green for easy identification.

FKM materials typically provide excellent resistance to heat, aliphatic and aromatic hydrocarbons, chlorinated solvents and petroleum fluids. Fluoroelastomers offer superior O-ring sealing force retention over most other oil-heat resistant elastomers, with the exception of perfluoroelastomers.

V72G is accepted by the UK Ministry of Defence (MOD) to Defence Standard 02-337 part 1, issue 1 (NES 337) for use on naval ships and submarines.

Available in any sized O-ring (fully moulded up to 2.5m/8ft internal diameter) and custom designed components.

Key Attributes

Excellent heat resistance and long-term sealing performance

Broad chemical resistance

Superior mechanical properties

Coloured green for easy identification

Accepted by M.O.D. to Def. Stan. NES 337

Typical Applications

Naval ships and submarines

Chemical processing equipment

Pumps

Valves

General Information
Features	Copolymer Solvent resistance Good chemical resistance Heat resistance, high
Uses	Pump parts Ship application Valve/valve components
Appearance	Green

Hardness	Nominal Value		Test Method
IRHD Hardness	69		ASTM D1415, ISO 48

Elastomers	Nominal Value	Unit	Test Method
Tensile Strength (Yield)	12.8	MPa	ASTM D412, ISO 37
Tensile Elongation (Break)	160	%	ASTM D412, ISO 37
Compression Set (200°C, 24 hr)	10	%	ASTM D395, ISO 815

Aging	Nominal Value	Unit	Test Method
Change in Tensile Strength in Air (250°C, 72 hr)	-1.0	%	ASTM D412, ISO 37
Change in Ultimate Elongation in Air (250°C, 72 hr)	-12	%	ASTM D412, ISO 37
Change in IRHD Hardness in Air (250°C, 72 hr)	2.0		ASTM D573, ISO 188

Thermal	Nominal Value	Unit
Maximum Operating Temperature	200	°C

Additional Information	Nominal Value	Unit
Low Temperature Resistance - Non-brittle after 3 mins	-17	°C
Minimum Operating Temperature: -20°C (-4°F)

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