|
Poly Carbonate (PC)
Khozestan Petrochemical
Company
Licensor : Salzgitter, Germany
Application: Car front Lights, compound with ABS
| Test Method |
Unit |
High Viscocity Molding and Extrusion |
Medium Viscocity Molding &
Extrusion |
Low
Viscocity |
|
Mass
Flow rate |
g/10 min |
1-4 |
4.1-12 |
12.1-18 |
|
Tensile yirld strengh |
Mpa |
> , =60 |
>,=60 |
>,=60 |
|
Tensile stress |
Mpa |
60-70 |
60-70 |
60-70 |
|
Elongation (strain) at break Value
Guaranteed value Not
less than |
|
|
|
|
|
% |
>100 |
>90 |
>90 |
| |
|
|
|
|
% |
100.0 |
100,90 |
80 |
|
Charpy impact strenght
Expected value
Guaranteed value Not
less than |
|
|
|
|
|
kj/m2 |
35.00 |
30 |
25 |
| |
|
|
|
|
kj/m2 |
30.00 |
25 |
20 |
|
Dielerctric strenght at 50 HZ
Diameter 50 mm
Thickness 2 mm |
|
|
|
|
| |
|
|
|
|
kv/mm |
>,=20 |
>,=20 |
>,20 |
|
Modulus of Eastisity |
Mpa |
2200-2400 |
2200-2400 |
2200-2400 |
|
Dietectric costant
At 1 MHZ |
|
|
|
|
|
--- |
2.8-3.1 |
2.8-3.1 |
2.8-3.1 |
|
Loss index
At 1 MHZ
At 50 MHZ |
|
|
|
|
|
--- |
0.008-0.011 |
0.008-0.011 |
0.008-0.011 |
| |
0.0008-0.001 |
0.0008-0.001 |
0.0008-0.001 |
|
Degree of transmission
Specimen
Thickness 2 mm
Expected |
|
|
|
|
|
% |
> ,=88 |
> ,=88 |
> ,=88 |
|
% |
> ,=90 |
>,=90 |
>,=90 |
|
Specific gravity |
g/cm3 |
1.20 |
1.20 |
1.20 |
|
Ball indentation
Hardness |
|
|
|
|
|
n/mm2 |
>,=103 |
>,=103 |
> ,=103 |
|
Vicat softning
Temerature |
|
|
|
|
|
C |
145-150 |
145-150 |
145-150 |
|
Soivent content
Ash content |
ppm wt |
500 max |
500 max |
|
|
ppm wt |
50
max |
50
max |
|
|
