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Chi Mei Acryrex® CM-205 PMMA

Category	Polymer , Thermoplastic , Acrylic (PMMA) , Acrylic, General Purpose, Molded
Manufacturer	Chi Mei Corporation (ChiMei)
Trade Name	Acryrex®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Chi Mei Acryrex® CM-205 PMMA.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

High heat injection grade. It can resist high temperature. High mechanical strength.Applications: The indicator cover of scooter and automobile/sun glasses/digital watch cover.Features:Good Weather ResistanceHigh Heat ResistanceHigh StrengthUses:Automotive ApplicationsProtective CoveringsRoHS CompliantAppearance: Clear/TransparentForms: PelletsProcessing Method: Injection MoldingAvailability:Africa & Middle EastAsia PacificEuropeLatin AmericaNorth AmericaSouth America

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	ISO 1183
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	1.8 g/10 min @Load 3.80 kg, Temperature 230 °C	1.8 g/10 min @Load 8.38 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore M	95 @Thickness 6.35 mm	95 @Thickness 0.250 in	ASTM D785
Tensile Strength, Yield	70.3 MPa @Thickness 3.18 mm	10200 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	6 mm/min; ASTM D638
Flexural Strength	108 MPa @Thickness 6.35 mm	15700 psi @Thickness 0.250 in	2.8 mm/min; ASTM D790
Izod Impact, Notched	0.200 J/cm @Thickness 6.35 mm	0.375 ft-lb/in @Thickness 0.250 in	ASTM D256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	100 °C @Thickness 6.35 mm	212 °F @Thickness 0.250 in	Unannealed; ASTM D648
Vicat Softening Point	113 °C	235 °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 3.18 mm	92 % @Thickness 0.125 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	185 - 205 °C	365 - 401 °F
Middle Barrel Temperature	200 - 220 °C	392 - 428 °F
Front Barrel Temperature	220 - 240 °C	428 - 464 °F
Mold Temperature	50.0 - 70.0 °C	122 - 158 °F
Drying Temperature	85.0 - 90.0 °C @Time 14400 sec	185 - 194 °F @Time 4.00 hour

Descriptive Properties	Value	Comments
Power Factor	0.5	ASTM D150

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