PCTFE Resin
PCTFE is a homopolymer of chlorotrifluoroethylene. Its resistance to cold flow, dimensional stability, rigidity, low gas permeability, and low moisture absorption are superior to other fluoropolymers.
Grades
Item | MPC-100 | MPC -300 | MPC -500 | MPC -700 | MPC -900 |
MFR | ≤3 | 2-4 | 4-6 | 6-8 | ≥9 |
Properties
General properties | Value | Unit | Test method |
Specific gravity | 2.12-2.16 | ASTM D792 | |
Crystallinity | 40-80 | % | |
Molding shrinkage | 0.015-0.020 | cm/cm | |
Refraction index | 1.425 | ASTM D542 | |
Water absorption | 0 | % | ASTM D570 |
Mechanical properties | Value | Unit | Test method |
Tensile strength | 31.4-37.2 | Mpa | ASTM D638 |
Elongation | 50-200 | % | ASTM D638 |
Flexural strength | 67.6-72.5 | MPa | ASTM D790 |
Compression strength | 400-450 | MPa | ASTM D695 |
Tensile modulus of elasticity | (13-15)*103 | MPa | ASTM D638 |
Compression modulus of elasticity | (14-16)*102 | MPa | ASTM D695 |
Flexural modulus elasticity | (16-19)*102 | MPa | ASTM D790 |
Impact strength | 2.5-3.5 | ft-1b/in | ASTM D256 |
Hardness | 85-95 | shore | ASTM D676 |
Deformation under load | 0.2 | % | ASTM D621 |
Thermal properties | Value | Unit | Test method |
Specific heat | 0.22 | cal/g/°C | |
Thermal conductivity | (4.7-5.3)*10-4 | cal/sec/°C | ASTM C177 |
Thermal expansion | (4.5-7.0)*10-5 | ˚C/cm | ASTM D696 |
Melting temperature | 210-212 | ˚C | |
Z.S.T | 200-300 | sec | ASTM D1430 |
Electrical properties | Value | Unit | Test method |
Dielectric constant (60Hz) | 2.24-2.8 | ASTM D150 | |
Dielectric constant (103Hz) | 2.3-2.7 | ASTM D150 | |
Dielectric constant (105Hz) | 2.3-2.5 | ASTM D150 | |
Dielectric dissipation factor | 0.023-0.027 | ASTM D150 | |
Dielectric strength | 12 | kv/0.1mm | ASTM D149 |
Arc resistance | >360 | sec | ASTM D495 |
Volume resistivity | >1016 | ohm-cm | ASTM D257 |
Surface resistivity | >1014 | ohm | ASTM D257 |