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Modified PTFE Gasket

Modified PTFE Gasket

SUNWELL MF4000Range

Modified PTFE gasket are in order to meet the needs of customers
to different working conditions, and reduce the cost. SUNWELL
research and design the modified PTFE gaskets.

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  • Specification
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Benefits

> Reduced creep relaxation;

> Chemical resistant;

> Cost saving;

> Tighter seal.

>Modified PTFE gaskets improved performance over conventional PTFE, Reduced product loss and emissions. Excellent bolt torque retention, unique manufacturing process minimizes cold flow problems typical of skived and expanded PTFE Sheets. Withstands a wide range of chemicals for extended service life in a wide variety of applications.

>Supplied Sizes:

60'' x 60'' , 70'' x 70'', etc

Thickness: 1/16'', 1/8'', etc

Specification:

SUNWELL Code

MF4350

(SUNFLON 522)

MF4354

(SUNFLON 500)

MF4351

(SUNFLON 533)

MF4353
Color Fawn Blue Off-white Black
Photos
Composition PTFE with silica PTFE with glass microspheres PTFE with barium sulfate PTFE with graphite
Temperature
Minimum
Cont. max.
-268 oC
+260 oC
-268 oC
+260 oC
-268 oC
+260 oC
-268 oC
+260 oC
Pressure bar 75 55 55 75
Sealability cm3/s (GB/T9129-2003) < 1 x 10-3 < 1 x 10-3 < 1 x 10-3 < 1 x 10-3
Creep Relaxation % ASTM F38 20 35 18 35
Compressibility Range % ASTM F36-99 10~15 25~40 5~12 7~19
Recovery % ASTM F36-99 > 21 >25 >35 >35
Tensile Strength N/mm2 ASTMF 152-95 13 12 11 11
Flammability Will not support flame
Bacterial Growth Will not support