Ethylene Copolymer ETFE (F-40)-lined Pipe
Specifications
anti-corrosionlight weight, easy to install
smooth internal surface
excellent fatigue durability
tetrafluoroethlene - Ethylene Copolymer ETFE (F-40)-lined pipe
ETFE (F-40) is a kind of semicrystalline and semitransparent polymer, which is made by ethylene and tetrafluoroethlene through copolymerization with equal mol ratio. It keeps the good anticorrosion property of polytetrafluoroethylene, and has good heat resistance, wear resistance, radiation resistance and impact resistance and electrical insulation properties. It can apply the forming method of general thermoplastics to carry out machining, without surface self-lubricating ability, and the coefficient of friction is large, the tensile strength can be up to 500MPa. With long-term application temperature of -60~150°C, and thermal decomposition temperature of above 300°C, it almost proofs against all chemical substances.
Relative density |
Softening temperature |
Brittle temperature |
Continuous application temperature |
Chemical corrosion resistance |
1.73-1.75 |
265-280°C |
-100°C |
150°C |
Good |
|
Brinell hardness |
Elongation rate |
Coefficient of friction |
Coefficient of linear expansion |
Yield strength |
8.03kg/mm2 |
420-440% |
0.2 |
9.4×10-5/°C |
19-22MPa |
|
Impact strength |
Tensile strength |
Water absorption |
Dielectric constant |
Arc resistance |
93kg·cm/cm2 |
41-47MPa |
<0.01 |
2.4-2.6 |
120s |
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