Mitsubishi Rayon ACRYPET IR K304 001 PMMA Resin

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Mitsubishi Rayon ACRYPET IR K304 001 PMMA Resin
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Impact Modified, Molded
Material Notes:	Balanced impact strength, molding property, and heat resistance. Typical Products: Visor, outer pillar of automobile. Information provided by Mitsubishi Rayon Co.,Ltd.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.17 g/cc	1.17 g/cc	ISO 1183; JIS K7112
Water Absorption	0.30 % @Time 86400 sec	0.30 % @Time 24.0 hour	ISO 62
Linear Mold Shrinkage	0.0030 - 0.0070 cm/cm	0.0030 - 0.0070 in/in	MRC method
Melt Flow	3.0 g/10 min @Load 3.80 kg, Temperature 230 °C	3.0 g/10 min @Load 8.39 lb, Temperature 446 °F	ISO 1133
Spiral Flow	150 cm @Thickness 2.00 mm, Temperature 250 °C	59.1 in @Thickness 0.0787 in, Temperature 482 °F	MRC method
	270 cm @Thickness 2.00 mm, Temperature 250 °C	106 in @Thickness 0.0787 in, Temperature 482 °F	MRC method

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	80	80	ISO 2039
Tensile Strength	65.0 MPa	9430 psi	1A/5; ISO 527
Elongation at Break	19 %	19 %	1A/5; ISO 527
Modulus of Elasticity	2.30 GPa	334 ksi	1A/1; ISO 527
Flexural Strength	98.0 MPa	14200 psi	ISO 178
Flexural Modulus	2.40 GPa	348 ksi	ISO 178
Izod Impact, Unnotched (ISO)	2.90 kJ/m²	1.38 ft-lb/in²	1A; ISO 180
Charpy Impact Unnotched	4.30 J/cm²	20.5 ft-lb/in²	11eU; ISO 179
Charpy Impact, Notched	0.260 J/cm²	1.24 ft-lb/in²	1eA; ISO 179

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1e+12 ohm-cm	>= 1e+12 ohm-cm	JIS K6911
Surface Resistance	>= 1.00e+16 ohm	>= 1.00e+16 ohm	JIS K6911
Dielectric Constant	3.7 @Frequency 60 Hz	3.7 @Frequency 60 Hz	JIS K6911
Dielectric Strength	20.0 kV/mm	508 kV/in	4kV/sec; JIS K6911
Dissipation Factor	0.050 @Frequency 60 Hz	0.050 @Frequency 60 Hz	JIS K6911

Thermal Properties	Metric	English	Comments
CTE, linear	80.0 µm/m-°C	44.4 µin/in-°F	ASTM D696
Specific Heat Capacity	1.50 J/g-°C	0.359 BTU/lb-°F	JIS K7123
Thermal Conductivity	0.200 W/m-K	1.39 BTU-in/hr-ft²-°F	ASTM C177
Deflection Temperature at 1.8 MPa (264 psi)	93.0 °C	199 °F	ISO 75
Vicat Softening Point	98.0 °C @Load 5.10 kg	208 °F @Load 11.2 lb	ISO 75

Optical Properties	Metric	English	Comments
Refractive Index	1.49 @Wavelength 587.6 nm	1.49 @Wavelength 587.6 nm	n_d; ASTM D542
Haze	0.50 % @Thickness 3.00 mm	0.50 % @Thickness 0.118 in	ISO 14782
Transmission, Visible	92 % @Thickness 3.00 mm	92 % @Thickness 0.118 in	ISO 13468

Descriptive Properties
Arc Resistance	no track		JIS K6911

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PMITS9911 / 185886

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