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These PTFE joint sealants (polytetrafluoroethylene joint sealants), made of virgin PTFE fine powders, are produced by moulding. It can be stretched under high temperature. Moreover, it has the feature of low friction, excellent chemical resistance, good sealing performance, and superior flexibility. The expanded PTFE tape has a wide range of service of temperature between -160°C and +280°C.

With special-shaped mouths, expanded PTFE joint sealant is suitable for sealing of reactors, turbine generators or containers.

1. It is easier for expanded PTFE joint sealant (polytetrafluoroethylene joint sealants) to install on vertical surfaces, because it is soft, pliable and flexible.
2. These PTFE joint sealants can clean flange, remove scale and other foreign materials.

PTFE Joint Sealants

PTFE Joint Sealants (Polytetrafluoroethylene Joint Sealants)

3 When install it, you can strip off the release paper, push the adhesion surface at the center of flange surface, and stick on there in a ring shape.
4. There is 1to 2cm bolt seat at the edge of it. Fix the flange to the opponent and tighten each bolts uniformly, then it is flattened ribbon-like to 1.5 times width and the over lapped part is closely in contact.
5. Tighten each bolts uniformly.


Size Recommendation Other Nonstandard Flanges
Nominal Pipe Size (ANSI B16.5) Recommended Size of PTFE Joint Sealants Sealing Width Recommended Size of PTFE Joint Sealants
1/2", 3/4" 1/8" 1/8"-1/4" 1/8"
1", 1-1/4", 1-1/2" 3/16" 5/16"-3/8" 3/16"
2", 2-1/2", 3", 3-1/2" 1/4" 7/16"-5/8" 1/4"
4"-6" 3/8" 3/4"-1" 3/8"
8"-16" 1/2" 1-1/8"-1-1/2" 1/2"
18"-20" 5/8" 1-5/8"-2" 5/8"
24"-36" 3/4" 2"-2-1/2" 3/4"
36"-60" 1" 2-1/2"-5" 1"
60" and over 2" 5" and over 2"

Shanghai FluoronTM Chemicals is a professional manufacturer of PTFE joint sealants (expanded PTFE tape) in China. Apart from polytetrafluoroethylene joint sealants, we also suppler special rubber and additives, FVMQ pre-compound and compound, PTFE hydrophobic and hydrophilic membrane, PTFE soft seal, PTFE micronized powder, and fluoro resin. Presently, our company has established stable trading relationship with many countries and regions globally, including America, French, Brazil, Korea, Colombia, Argentina, Iran, Israel and so on. If you are interested in our products, please contact with us! Our company address: Building No.16, 3399 Kangxin Road, Shanghai, China.

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