  
|
Product list
Certificate
PMMA
|
Physical properties
|
ASTM Test Method
|
Unit
|
CM-207
|
|
Specific gravity
|
D-792
|
|
1.19
|
|
Melt flow index
|
D-1238
230°CX3.8kg
|
g/10min
|
16
|
|
Mold shrinkage
|
D-955
|
Mm/mm
|
0.002-0.007
|
|
Rockwell Hardness
|
D-785
|
|
M-84
|
|
Water absorption
|
D-570
|
%
|
0.3
|
|
Light transmission
|
D-1003
|
%
|
92
|
|
Tensile strength
|
D-638
|
Kg/cm2
|
650
|
|
Flexural strength
|
D-790
|
Kg/cm2
|
930
|
|
Heat distortion temp.
|
D-648
|
°C
|
90
|
|
Softening temp.
|
D-1525
|
°C
|
102
|
|
Chatacteristics
|
High flow stage
|
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