Canton FairSourcing
Plastics and plastic products
Ptfe Gasket
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About this product

  • Materials: 100%PTFE
  • Size: OD48-279mm ID 12.7-203mm Thickness1.02-6.4mm
  • Color: WHITE
  • Exports to: Mainland China, Africa, Middle East, Southeast Asia, South Asia, Central Asia, USA and Canada, Latin America, Russia, EU, Other European Countries, Japan and South Korea, Hong Kong China, Macao China and Taiwan China, Others
Product details
Materials100%PTFE
SizeOD48-279mm ID 12.7-203mm Thickness1.02-6.4mm
ColorWHITE
From the supplier

Description

PTFE envelope gasket is a kind of static seals.It is composed of elastic materials such as compressed asbestos sheet,rubber,ceramics,etc. And PTFE envelope cover. 
PTFE has superior properties against chemical(not affected by all chemicals except molten alkali metal and fluorine at elevated temperature) and temperature(from - 180ºC ~ +250ºC)The coefficient of static and dynamic friction of PTFE is the best of the "non-stick"material. It has excellent anti weathering and aging characteristics.

Types and Specifications:
PTFE Envelope Gasket

Outside DiameterInside DiameterThickness1-7/8''(48mm)1/2''(12.7mm)

0.04''(1.02mm) 1/15''(1.6mm) 3/16''(4.8mm)                     1/4''(6.4mm)2-1/4''(57mm)3/4''(19mm)2-5/8''(67mm)1''(25.4mm)3-3/8''(86mm)1-1/2''(38mm)4-1/8''(105mm)2''(51mm)5-3/8''(136.5mm)3''(76mm)6-7/8''(175mm)4''(102mm)8-3/4''(222mm)6''(152mm)11''(279mm)8''(203mm)

Note:(Thickness)Gasket slot width


Applications
PTFE envelope gasket is used to seal pipe flange anti joint of industrial machinery apparatus which is lined with rubber,plastic ceramics graphite etc. 


Main advantage:
1)excellent anti-chemical character.It almost applies to all mediums.
2)temperature range is very wide.(Around -180°C to 250°C)
3)anti- compressibility function is very good.
4)long service life.


Main Techinical Parameter

Pressure

Temperature

Density

2.1-2.3g/cm3

PH Range

0-14

PTFE Packed Gasket’s Pressure

16Mpa

PTFE Packed Gasket’s Temperature

Expanded PTFE Gasket’s Temperature

-268℃-315℃

Expanded PTFE Gasket’s Pressure

21Mpa



About the supplier

Zhenjiang Chunhuan Sealing Materials Co.,LTD(Group)

Main products: Other plastics and plastic products,Rubber products

  • ✓Exhibited at 10 of the last 10 Canton Fairs
  • ✓Manufacturer
  • ✓Founded 1985
  • ✓Canton Fair Premium Supplier
  • ✓National high-tech enterprise
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Manufacturing exhibitors show in Phase 1 of the Canton Fair, 15 to 19 October 2026.

Supplier
Zhenjiang Chunhuan Sealing Materials Co.,LTD(Group)
Zhenjiang, Jiangsu, China
85
trust
  • Exhibited at 10 of the last 10 Canton Fairs
  • Manufacturer
  • Founded 1985
  • Canton Fair Premium Supplier
Canton Fair booth: 1.1F42 · Chemical Products (140th session)

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