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