Arkema Altuglas® GR 7E LIL Acrylic

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Arkema Altuglas® GR 7E LIL Acrylic (discontinued **)
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, General Purpose, Molded
Material Notes:	ALTUGLAS GR 7E LIL is an injection molding grade with excellent balance between mechanical, thermal and optical properties. Key features : easy processing and demolding improved chemical resistance good resistance to dishwashing cycling ALTUGLAS GR 7E LIL is particularly recommended for houseware applications like: salad bowls, tumblers, cutlery handles and other house ware parts that require resistance to dishwasher cycling. ISO data provided by the manufacturer, Arkema. Arkema sold its PMMA business to Trinseo in 2021.
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Physical Properties	Metric	English	Comments

Density	1.18 g/cc	0.0426 lb/in³
Water Absorption	1.9 %	1.9 %
Moisture Absorption at Equilibrium	0.30 %	0.30 %	Humidity Absorption
Melt Flow	2.4 g/10 min @Load 3.80 kg, Temperature 230 °C	2.4 g/10 min @Load 8.38 lb, Temperature 446 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	85.0 MPa	12300 psi	50 mm/min
Elongation at Break	6.0 %	6.0 %	Nominal Strain; 50 mm/min
Tensile Modulus	3.30 GPa	479 ksi	1 mm/min
Charpy Impact Unnotched	2.00 J/cm²	9.52 ft-lb/in²
Charpy Impact, Notched	0.200 J/cm²	0.952 ft-lb/in²
Tensile Creep Modulus, 1 hour	2700 MPa	392000 psi
Tensile Creep Modulus, 1000 hours	1800 MPa	261000 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	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)	97.0 °C	207 °F
Deflection Temperature at 1.8 MPa (264 psi)	92.0 °C	198 °F
Vicat Softening Point	80.0 °C	176 °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.

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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