TECHNICAL
PARAMETERS
A variety of PVC, ABS, PE, PC, PP, EPS and other plastic extrusion profile and various injection molded parts, suitable for the refrigeration industry, construction and decorative plastic parts.
performance | PVC-F | PVC-H | SECTION | ON | PP | PS |
Relative density | 1.2 ~ 1.6 | 1.4 ~ 1.6 | 1.05 ~ 1.07 | 0.92 ~ 0.97 | 0.9 | 1.05 |
Water absorption rate /% | 0.25 | 0.07 ~ 0.4 | 0.2 ~ 0.45 | <0.01 | 0.01 | 0.05 |
Mold shrinkage /% | 1.5 ~ 2.5 | 0.6 ~ 1.0 | 0.3 ~ 0.8 | 2.0 ~ 5.0 | 1.0 ~ 2.5 | 0.4 ~ 0.7 |
Pull strength / Mpa | 10.5 ~ 20.1 | 45.7 | 42 ~ 62 | 21 ~ 37 | 29th | fifty |
Elongation at break /% | 100 ~ 500 | 25 | 5 ~ 25 | >500 | >200 | 2 |
Bending strength / Mpa | - | one hundred | 69 ~ 72 | eleven | fifty | 105 |
Flexural modulus / Mpa | - | 3000 | - | - | - | 3200 |
Compressive strength / Mpa | 8.8 | 20.5 | 73 ~ 88 | 10 | 45 | 115 |
Notched impact strength (KJ/m2) | - | 2.2 ~ 10.6 | - | 40 ~ 70 | 0.5 | 16 |
Cantilever beam notched impact strength (J/m) | - | - | 6 ~ 22 | - | - | - |
Shore hardness | A50~95 | D75 ~ 85 | - | - | - | - |
Rockwell hardness | - | - | R108~115 | R70 | R80~115 | M65 ~ 90 |
Long-term applicable temperature / °C | 60 ~ 70 | 60 ~ 70 | 70 ~ 80 | 60 ~ 80 | 50 ~ 110 | 60 ~ 75 |
Heat distortion temperature (1.82Mpa) / °C | 60 | 60 | 93 ~ 107 | 78 | 102 | one hundred |
Embrittlement temperature / ℃ | -42 | -47 | -40 | <-114 ~ -120 | 8 ~ -8 | -thirty |
Linear expansion coefficient / ( × 10 -5 K -1 ) | 7 ~ 25 | 5 ~ 18.5 | 5 ~ 8.5 | 12 ~ 13 | 6 ~ 10 | 8 |
Thermal conductivity / [w / (m · k)] | 0.15 | 0.16 | 0.16 ~ 0.29 | 0.44 | 0.24 | 0.14 |
Volume resistivity / (Ω.cm) | 1011 ~ 1013 | 1012 ~ 1014 | 2.7 × 10 16 | 6 × 10 15 | 10 19 | 10 17~ 10 19 |
Dielectric constant (10 6 H Z ) | 5 ~ 9 | 3.2 ~ 3.6 | 2.4 ~ 3.8 | 2.34 ~ 2.38 | 2.15 | 2.45 ~ 2.65 |
Dielectric loss tangent (10 6 H Z ) | 0.08 ~ 0.05 | 0.02 | 0.009 | 0.0003 | 0.0008 | (1 ~ 2) × 10 -4 |
Dielectric strength (KV/mm) | 14.7 ~ 29.5 | 9.85 ~ 35 | 13 ~ 20 | >20 | 24.6 | 20 ~ 28 |
Arc resistance/s | - | - | 66 ~ 82 | 115 | 185 | 60 ~ 135 |
Oxygen Index/% | - | - | twenty | twenty | eighteen | twenty |