Virgin/recycled PMMA Resin
Property item |
Test method |
Test number |
units |
||
Basic properties |
hardness |
ASTM D-785 |
M-95 |
|
|
Bulk Density |
ASTM D-1182 |
0.77 |
gm/cm3 |
||
Water Absorption |
ASTM D-570 |
0.3 |
% |
||
Physical properties |
Specific Gravity |
ASTM D-792 |
1.19 |
|
|
Light transmission |
ASTM D-1003 |
92 |
% |
||
Melt Flow Index |
ASTM D-1238 |
1.8 |
gm/10min |
||
Flammability |
|
1/16"HB |
UL-94 |
||
Mould Shrinkage |
ASTM D-955 |
0.002-0.006 |
mm/mm |
||
Mechanical properties |
Impact Notched IZOD |
ASTM D-256 |
2.0 |
kg-cm/cm |
|
Tensile Strength |
ASTM D-638/PSI |
10200/720 |
Kg/cm2 |
||
Flexural Strength |
ASTM D-790/PSI |
15600/1100 |
Kg/cm2 |
||
Tensile Elongation |
ASTM D-638 |
5.0 |
% |
||
Refractive index |
ASTM D-542 |
1.491 |
|
||
Dielectric strength |
ASTM D-149 |
500 |
Volts/Mil |
||
Impact notched IZOD |
ASTM D-256 |
0.37 |
ft-lbs/in2 |
||
Electrical Properties |
Volume Resistivity |
ASTM D-257 |
1015 |
Ω.m |
|
Loss Factor |
ASTM D-150 |
0.19 |
|
||
Dielectric Constant |
ASTM D-150-647b |
3.7 |
|
||
Power Factor |
ASTM D-150-647 |
0.5 |
|
||
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