Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PMMA HI855H LX MMA KOREA
LGMMA®
Home appliance cover、Home appliance doors and 、Building panels、Plaque、container、Phone back cover、lighting
transparent、Impact resistance
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
PMMA/LX MMA KOREA/HI855H
Water absorption
24h
ASTM D-570
%
0
Transparency
3.2mm
ASTM D-1003
%
9
Mechanical performance
Test Condition
Test Method
Unit
PMMA/LX MMA KOREA/HI855H
impact strength
Izod Notched
ASTM D-256
kg·cm/cm
6
pull
ASTM D-638
kg/cm
4
Rockwell hardness
ASTM D-785
M-scale
5
flexural modulus
ASTM D-785
kg/cm
2
bending strength
ASTM D-790
kg/cm
8
Elongation rate
ASTM D-638
%
4
Thermal performance
Test Condition
Test Method
Unit
PMMA/LX MMA KOREA/HI855H
Coefficient of sponge expansion
ASTM D-696
cm/cm/°C
6
Shrinkage coefficient
ASTM D995-51
%
0
Hot deformation temperature
18.56kg
ASTM D-648
°C
8
heat conduction
ASTM D-177
cal/seccm·°C/cm
5
Melt index
230°C,3.8kg
ASTM D-1238
g/10min
4
vicat softening point
1kg
ASTM D-1525
°C
9
Electrical performance
Test Condition
Test Method
Unit
PMMA/LX MMA KOREA/HI855H
Dielectric strength
4KV/S
ASTM D-149
KV/mm
1
Anti volume coefficient
ASTM D-257
Ω.m
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