PMMA

PMMA LGMMA® HI855M LX MMA KOREA

Properties:
Impact resistancetransparent
Usages:
lightingPhone back coverHome appliance doors and windowscontainerBuilding panelsHome appliance coverPlaque
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Technical Data Sheet

Basic Performance	Test Condition	Test Method	Test Result
Water absorption rate	24h	ASTM D-570	0.4 %

mechanical properties	Test Condition	Test Method	Test Result
Impact strength of cantilever beam gap	Izod　Notched	ASTM D-256	3.0 kg·cm/cm
Elongation at Break		ASTM D-638	84 %
Rockwell hardness		ASTM D-785	65 M-scale
bending strength		ASTM D-790	909 kg/cm
tensile strength		ASTM D-638	499 kg/cm
Bending modulus		ASTM D-790	24300 kg/cm

thermal performance	Test Condition	Test Method	Test Result
Coefficient of sponge expansion	cm/cm/°C	ASTM D-696	6×10
specific heat	cal/g/°C		0.35
melt mass-flow rate	230°C,3.8kg	ASTM D-1238	7.5 g/10min
UL flame retardant rating	1/8",1/16"	UL 94	HB
Hot deformation temperature	18.6kg	ASTM D-648	84
Shrinkage rate		ASTM D995-51	0.4-0.8 %
Vicat softening temperature	1kg	ASTM D-1525	94 °C
heat conduction	cal/seccm·°C/cm	ASTM D-177	5×10

Physical properties	Test Condition	Test Method	Test Result
density		ASTM D-792	1.17
reflectivity		ASTM D-542	1.49
transparency	3.2mm	ASTM D-1003	92 %

Electrical performance	Test Condition	Test Method	Test Result
Dielectric strength	4KV/S	ASTM D-149	15 KV/mm
Volume resistivity		ASTM D-257	>10 Ω.cm
Dielectric constant	60Hz	ASTM D-150	3.5
Dissipation factor	60Hz	ASTM D-150	0.04

IMPORTANT NOTES: Plas.com collected the data in the data sheet from the material manufacturers. Plas.com makes the best effort to improve the accuracy of the data, but has no responsibility for the data. We strongly recommend verifying the validity of the data with the material manufacturers before making a final decision.

PMMA LGMMA® HI855M LX MMA KOREA

Technical Data Sheet

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