Products - PTFE Seals

Keywords: Self-adhesive Expanded PTFE Joint sealant tape for flange

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Expanded PTFE Joint Sealant   is a multi-purpose gasket tape manufactured from 100% pure PTFE  resin, supplied as a continuous low density tape with a self-adhesive backing . It is soft and spongy, permitting it to conform easily to all surface irregularities and to compress to a thin ribbon under pressure;   PTFE VALVE STEM PACKING is also a new style ptfe resin sealing material, it is round and easy to install&use.
 
Chemical Resistance:
 
Expanded PTFE Joint Sealant  is an new material which can be used in many applications against corrosive environments,
except molten alkali metals and elemental fluorine. 24B will not contaminate media and can be used in food and drug equipment applications.
 
 
Expanded PTFE Joint Sealant   technical specification: 

Ph range: 0-14 
Temperature Limits: -260~ + 260 °C(-500/+500°F)
Pressure Limit: 20Mpa (or 2900 psi; or 200kgf/cm2)
Physical Properties
Material: 100% PTFE, soft and excellent elasticity.
Density: 0.7~0.8g./cm3 (43~49.5lbs./cu. ft.3)
Elongation: 20% 
Matrix Tensile Strength: 30Mpa (4260 psi)
Creep Relaxation (ASTM F38): 51% 
Sealablity (ASTM F 37A): 0.1 ml/hr.
 
Applications:
Expanded PTFE Joint Sealant   is recommended as a gasket tape in steel, glass-lined, PVC and fiberglass pipe flanges,
fume ducts, concrete lids, heat exchangers, fiber glass reinforced plastic vessels, pump housing flanges, steam vessel flanges, manhole and manhole covers, ceramic joints, ventilation ducts, hydraulic and pneumatic systems, water supply systems and turbine cases.
 
Expanded PTFE Joint sealant tape STOCK DIMENSION:  

Width mm
Thick. mm
M/roll
Width mm
Thick. mm
M/roll
1.5
3.0
30
15
5.0
5
3
2.0
30
16
3.0
5
5
2.0
20
16
5.0
5
6
3.0
15
17
5.0
5
7
2.5
15
18
5.0
5
8
3.0
15
20
5.0
5
9
4.0
10
25
5.0
5
10
3.0
10
30
5.0
5
10
4.0
10
40
4.0
5
12
4.0
8
50
3.0
5
14
5.0
5
100
1.0
5