Product Description

PMMA Resin(Polymethyl Methacrylate)

1. Introduction
PMMA resin is used methyl methacrylate (MMA) as major raw material to develop successfully. It has excellent weather-resist and heat-resist character, and excellent transparency and gloss. Besides, it has stable physical, chemical, optical, and electrical, etc., characters. It may be widely applied on electronic panel, mechanical parts, watch and clock shell, motorcycle and automobile indicator, tele-communication material, insulation parts and sun glasses, etc.

2. Advantages:
Unparalleled Transparency and Luster
Excellent Weather Resistance
Unmatched Surface Hardness
Excellent Electrical Resistance
Superior Mechanical Property
Harmless to Humans

3. Application:
PMMA is widely used for instruments panel of automobile industry, pharmaceutical industry and other daily-using articles. Specifically, for making optical instrument, illuminating lamp and synthetic glass.

Property item		Test condition	Test method	Test number	units
Basic properties	hardness		ASTM D-785	M-95
	Bulk Density		ASTM D-1182	0.77	gm/cm 3
	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/cm 2
	Flexural Strength		ASTM D-790/PSI	15600/1100	Kg/cm 2
	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/in 2
	Volume Resistivity		ASTM D-257	10 15	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
Thermal Properties	Heat Distortion Temp		ASTM D-648	100/212	°C/°F
Thermal Properties	Vicat Softening Point		ASTM D-648	113/235	°C/°F