Arkema Oroglas® VM Acrylic, Injection Molding Grade

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Arkema Oroglas® VM Acrylic, Injection Molding Grade (discontinued **)
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, General Purpose, Molded
Material Notes:	OROGLAS VM is an injection molding grade with a medium heat resistance and easy flow. OROGLAS VM is particularly suitable to improve mold filling of technical parts. The VM L version has been specially designed for injection molding of thick parts in the cosmetic business such as jars, caps, etc. ISO data provided by the manufacturer, Arkema.
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Physical Properties	Metric	English	Comments

Density	1.18 g/cc	0.0426 lb/in³
Water Absorption	1.8 %	1.8 %
Moisture Absorption at Equilibrium	0.30 %	0.30 %	Humidity Absorption
Melt Flow	13.3 g/10 min @Load 3.80 kg, Temperature 230 °C	13.3 g/10 min @Load 8.38 lb, Temperature 446 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	80.0 MPa	11600 psi	50 mm/min
Elongation at Break	5.0 %	5.0 %	Nominal Strain; 50 mm/min
Tensile Modulus	3.10 GPa	450 ksi	1 mm/min
Charpy Impact Unnotched	1.90 J/cm²	9.04 ft-lb/in²
Charpy Impact, Notched	0.200 J/cm²	0.952 ft-lb/in²
Tensile Creep Modulus, 1 hour	2600 MPa	377000 psi
Tensile Creep Modulus, 1000 hours	1600 MPa	232000 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm
Dielectric Constant	3.2 @Frequency 1e+6 Hz	3.2 @Frequency 1e+6 Hz
	3.7 @Frequency 100 Hz	3.7 @Frequency 100 Hz
Dielectric Strength	19.7 kV/mm	500 kV/in
Dissipation Factor	0.040 @Frequency 1e+6 Hz	0.040 @Frequency 1e+6 Hz
	0.050 @Frequency 100 Hz	0.050 @Frequency 100 Hz
Comparative Tracking Index	600 V	600 V

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	70.0 µm/m-°C @Temperature 20.0 °C	38.9 µin/in-°F @Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi)	82.0 °C	180 °F
Deflection Temperature at 1.8 MPa (264 psi)	77.0 °C	171 °F
Vicat Softening Point	84.0 °C	183 °F	50°C/hr; 50N
Flammability, UL94	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in

Optical Properties	Metric	English	Comments
Transmission, Visible	80 %	80 %	Mfr. reports 'Transparent' but doesn't quantify.

**
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