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Polycarbonate |
| 1. Chemical Name: Polycarbonate of 2,2-Bis(4-hydroxyphenyl) propane |
| 2.Molecular formula: |
C5H12N2O |
| 2. Structural formula: |
 |
| 3.Properities: It is transparent grain, non-toxicity, has a resistance to corrosion from chemicals, good resistance to weatherability and dimensional stability for finished products. |
| 4.Specification:(HG/T2503-93) |
| 1)Appearance : |
colorless transparent grain |
| 2)Imputity grain,% |
5>-->1 |
| 3)Solution color difference |
5>-->3 |
| 4)Thermal degradation rate,% |
12>-->7 |
| 5)Totched impact strength, KJ/m2 |
>45 |
| 6)Tensile strength,Mpa |
>55 |
| 7)Elongation rate at break,% |
>70 |
| 8)Flexural strength,Mpa |
>95 |
| 9)Thermal deformation temperature0C |
>130 |
| 10)Volume resistivity, Ωwcm |
>1.5X1515 |
| 11)Dielectric constant |
<1.5X10-2 |
| 12)Dielectric loss tangent |
2.7-3.0 |
| 13)Dieletric strength, MV/m |
>16 |
| 14)Molecular Weight: |
Low Viscosity: 23000 ~ 24000 |
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Mid Viscosity: 24500 ~ 26000 |
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High Viscosity: 26000 ~ 29500 |
| 15)Melting Index: |
1.8~2.5/6 ~7/8~9 | |
| 5.Useage:Polycarbonate is an important engineering plastic for manufacture of film, fibers, pipes, plates and injection-molded parts. |
| 6.Packing: The product has been packed in 25kg net. Polythylene film is used as an inner bag, and the outer bag is weaved by polyproylene. | |
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