PTFE Joint Sealant

Expanded PTFE Joint Sealant

Expanded PTFE Joint Sealant is a soft, compressible gasket material made of 100% pure, expanded PTFE. It is a form-in-place gasket that conforms to almost any sealing surface. Upon compression, it forms a thin, hard ribbon that fills in surface irregularities and creates an extremely tight seal. It is capable of withstanding a wider range of pressures, temperatures and chemical environments than any other soft gasket. Our Joint Sealant can be used in just about any accessible bolted joint that features a flat or serrated sealing surface. It is also easy to install and remove, making it a highly versatile and cost-effective solution for many demanding sealing applications.

PTFE Joint Sealant

SIZE RECOMMENDATIONS
FOR NPS FLANGES
Nominal Pipe Size Size / Width
Up to 1/2′ dia. 1/8”
3/4” to 1-1/2” 3/16”
2” to 4” 1/4”
5” to 8” 3/8”
10” to 16” 1/2”
18” to 24” 5/8”
24” to 36” 3/4”
36” and above 1″
Standard Sizes FT / Roll
1/8” x .078” (2 mm) 100 . 1000
3/16” x .078” (2 mm) 100 . 1000
1⁄4” x .118” (3 mm) 50 . 100 . 500
3/8” x .158” (4 mm) 30 . 50 . 150
1⁄2” x .196” (5 mm) 15 . 30 . 150
5/8” x .196” (5 mm) 15 . 30 . 150
3⁄4” x .275” (7 mm) 15 . 30 . 50 . 100
1” x .315” (8 mm) 15 . 30 . 75

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Features
Form-In-Place: conforms to any surface, including rough, pitted, scratched, damaged surfaces and allows use with stress sensitive connections and applications where only a limited load is available, e.g. plastic flanges, glass flanges etc.

Typical Application
Sealing of flanges, pump housings, compres- sors, hand-and manholes, Air ducts, compen- sators, heat exchangers and many more.

Adhesive-Backed Surfaces
Convenient adhesive strip and peel-off back- ing allow easy installation on both horizontal and vertical surfaces.

Size Selection Guidelines
Select size by using a Joint Sealant that is 33-50% of flange sealing surface.

Technical Data
• Temperature range: -240°C up to +260°C, for short periods up to +310°C
• Chemical resistance: Resistant against all chemicals from pH 0-14 – except molten alkali metals and elemental fluorine at high temperature and pressure
• Pressure resistance: vacuum up to 200 bar
• Aging resistance: Our Joint Sealant does not age (adhesive tape has limited shelf life) and is UV-resistant
• Color: white
• Other: Our Joint Sealant is physiologically harmless. It has no smell or taste. It is neither contaminating nor toxic. It complies with the FDA 21 CFR 177.1550 Perfluorcarbon Regulations.

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