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PRODUCT NAME:PTFE gaskets
VIEWED:5
MANUFACTURER:Rubber sheet;Viton Rubber;PTFE;YangZhong Rubber Plastics Factory Co.,Ltd.
PRODUCT DESCRIPTION:
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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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