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Chi Mei Acryrex® CM-211 PMMA

Category	Polymer , Thermoplastic , Acrylic (PMMA) , Acrylic, General Purpose, Molded
Manufacturer	Chi Mei Corporation (ChiMei)
Trade Name	Acryrex®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Chi Mei Acryrex® CM-211 PMMA.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Features:Good Weather ResistanceHigh ClarityHigh FlowHigh GlossHigh Heat ResistanceHigh ViscosityUses:ContainersCosmeticsHousehold GoodsKnobsRoHS CompliantAppearance: Clear/TransparentForms: PelletsProcessing Method: Extrusion and Injection Molding

Physical Properties	Metric	English	Comments
Density	0.700 g/cc	0.0253 lb/in³	Apparent; ASTM D1182
	1.19 g/cc	0.0430 lb/in³	ASTM D792
Water Absorption	0.30 %	0.30 %	Equilibrium; ASTM D570
Linear Mold Shrinkage, Flow	0.0020 - 0.0060 cm/cm	0.0020 - 0.0060 in/in	ASTM D955
Melt Flow	16 g/10 min @Load 3.80 kg, Temperature 230 °C	16 g/10 min @Load 8.38 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	84 @Thickness 6.35 mm	84 @Thickness 0.250 in	6 mm/min; ASTM D785
Tensile Strength, Yield	63.4 MPa @Thickness 3.18 mm	9200 psi @Thickness 0.125 in	6 mm/min; ASTM D638
Elongation at Break	5.0 % @Thickness 3.18 mm	5.0 % @Thickness 0.125 in	2.8 mm/min; ASTM D638
Flexural Strength	91.0 MPa @Thickness 6.35 mm	13200 psi @Thickness 0.250 in	ASTM D790
Izod Impact, Notched	0.200 J/cm @Thickness 6.35 mm	0.375 ft-lb/in @Thickness 0.250 in	ASTM D256
Impact	2.00	2.00	Impact Flexural Test Notched (KJ/m²)
	18.0	18.0	Impact Flexural Test Unnotched (KJ/m²)

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	87.0 °C @Thickness 6.35 mm	189 °F @Thickness 0.250 in	ASTM D648
Vicat Softening Point	102 °C	216 °F	50°C/hr; ASTM D1525
Flammability, UL94	HB @Thickness 1.59 mm	HB @Thickness 0.0625 in	UL 94

Optical Properties	Metric	English	Comments
Refractive Index	1.49	1.49	ASTM D542
Transmission, Visible	92 % @Thickness 80.8 mm	92 % @Thickness 3.18 in	ASTM D1003

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm	ASTM D257
Dielectric Constant	3.7	3.7	ASTM D150
Dielectric Strength	0.787 kV/mm	20.0 kV/in	ASTM D149
Dissipation Factor	0.19	0.19	ASTM D150

Processing Properties	Metric	English
Rear Barrel Temperature	180 - 190 °C	356 - 374 °F
Middle Barrel Temperature	195 - 215 °C	383 - 419 °F
Front Barrel Temperature	190 - 210 °C	374 - 410 °F
Mold Temperature	30.0 - 50.0 °C	86.0 - 122 °F
Drying Temperature	70.0 - 75.0 °C @Time 14400 sec	158 - 167 °F @Time 4.00 hour

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