Ningbo Sunwell Sealing Materials Co.,Ltd is one of the leading China modified ptfe gasket manufacturers and suppliers with one of the famous brands, and we are also a professional modified ptfe gasket company and factory, welcome to contact us.

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	MF4354	MF4351	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