PTFE Gaskets

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Product Detail

PRODUCT NAME:PTFE gaskets

VIEWED:5

MANUFACTURER:Rubber sheet;Viton Rubber;PTFE;YangZhong Rubber Plastics Factory Co.,Ltd.

PRODUCT DESCRIPTION:

Quick Details

Place of Origin: Jiangsu, China (Mainland)

Brand Name: Yongda

PTFE Gaskets include pure PTFE gasket,expanded PTFE gasket,filled PTFE gasket and PTFE spiral wound gasket.

Pure PTFE gasket is manufactured by molding method with PTFE granular resin. PTFE compared with other plastics, has a superior properties against chemicals and temperature. Because of such excellent properties, PTFE has a wide application as a sealing material.

Properties

Unit

Result

Apparent density

g/cm3

2.10-2.30

Tensile strength (min)

MPa

15.0

Ultimate elongation (min)(min)

%

150

Expanded PTFE gasket is cut from expanded PTFE sheet. We could produce any size. And we also produce according customer request

compressibility

12%

Recovery

40%

Stress Relaxation

37%

Tensile Strength

14Mpa

Sealing Capability

0.1m1/hr

Temperature

260

Pressure

8.3Mpa

PH

0-14

Filled PTFE gasket is manufactured by moding method with filled PTFE resin. Filled PTFE resin is manufactured by compounding PTFE granular resin with fillers of many differents kinds. Amongst the many fillers suitable for compounding with PTFE, glass fiber, carbon fiber, Bronze and also lubricating materials like graphite, molybdenum disulphide, have been widely used in large scale production, Broadly speaking PTFE compounds have the following advantage over unfilled.

 

Filled compound and Content by wt

Tensile strength MPa(min)

Ultimate strength %(min)

Compressive strength MPa(min)

20% glass fiber

10

120

16

25% glass fiber

10

100

16

20% glass fiber 5% graphite

10

120

16

60% Bronze

10

80

20

15% carbon fiber

11

130

16

24% Bronze 12% glass fiber 6% graphite

9

100

16

15% glass fiber 10% polyimide 5% graphite

10

120

16.7

PTFE spiral wound gasket is corrosion resistant and high pressure product.By winding metal with PTFE is model PTFE spiral wound gasket. It could fix the outer ring or inner ring, even with outer and inner ring.

 




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