Plaskolite Optix® CA-924 G PMMA

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Plaskolite Optix® CA-924 G PMMA
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, General Purpose, Molded
Material Notes:	Availability: North America Features: Electrically Insulating; Good Impact Resistance; Good Weather Resistance; Machinable; Radiation Sterilizable Uses: Medical/Healthcare Applications Appearance: Clear/Transparent Form: Pellets Processing Method: Injection Molding Information provided by Plaskolite, Inc.
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Physical Properties	Metric	English	Comments

Density	1.17 g/cc	0.0423 lb/in³	ASTM D792
Linear Mold Shrinkage, Flow	0.0020 - 0.0070 cm/cm	0.0020 - 0.0070 in/in	ASTM D955
Melt Flow	6.3 g/10 min @Load 3.80 kg, Temperature 230 °C	6.3 g/10 min @Load 8.38 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	68	68	ASTM D785
Tensile Strength, Yield	58.4 MPa	8470 psi	ASTM D638
Elongation at Break	4.5 %	4.5 %	ASTM D638
Tensile Modulus	3.25 GPa	472 ksi	ASTM D638
Flexural Yield Strength	86.2 MPa	12500 psi	ASTM D790
Flexural Modulus	2.55 GPa	370 ksi	ASTM D790
Compressive Strength	82.7 MPa	12000 psi	ASTM D695
Izod Impact, Notched	0.427 J/cm	0.800 ft-lb/in	ASTM D256
Gardner Impact	1.58 J	1.17 ft-lb	ASTM D3029

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.44 @Frequency 1e+6 Hz	2.44 @Frequency 1e+6 Hz	ASTM D150
	3.14 @Frequency 1000 Hz	3.14 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	15.0 kV/mm	380 kV/in	ASTM D149
Dissipation Factor	0.030 @Frequency 1e+6 Hz	0.030 @Frequency 1e+6 Hz	ASTM D150
	0.041 @Frequency 1000 Hz	0.041 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	83.3 °C	182 °F	Unannealed; ASTM D648
Vicat Softening Point	112 °C	233 °F	ASTM D1525
UL RTI, Electrical	50.0 °C @Thickness 1.52 mm	122 °F @Thickness 0.0600 in	UL 746B
UL RTI, Mechanical with Impact	50.0 °C @Thickness 1.52 mm	122 °F @Thickness 0.0600 in	UL 746B
UL RTI, Mechanical without Impact	50.0 °C @Thickness 1.52 mm	122 °F @Thickness 0.0600 in	UL 746B
Flammability, UL94	HB @Thickness 1.52 mm	HB @Thickness 0.0600 in

Optical Properties	Metric	English	Comments
Refractive Index	1.49	1.49	ASTM D542
Transmission, Visible	91.6 %	91.6 %	ASTM D1003

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	177 - 232 °C	350 - 450 °F
Middle Barrel Temperature	193 - 249 °C	380 - 480 °F
Front Barrel Temperature	204 - 260 °C	400 - 500 °F
Nozzle Temperature	193 - 249 °C	380 - 480 °F
Melt Temperature	216 - 249 °C	420 - 480 °F
Mold Temperature	43.3 - 87.8 °C	110 - 190 °F
Drying Temperature	82.2 °C	180 °F
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour
Injection Pressure	68.9 - 138 MPa	10000 - 20000 psi
Back Pressure	0.345 - 1.03 MPa	50.0 - 150 psi
Screw Speed	50 - 100 rpm	50 - 100 rpm

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PPLASKO839 / 311532

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