Arkema Group Oroglas® MI-4T Acrylic, Heat Resistant (discontinued **)

Category	Polymer , Thermoplastic , Acrylic (PMMA) , Acrylic, Heat Resistant, Molded
Manufacturer
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Arkema Group Oroglas® MI-4T Acrylic, Heat Resistant (discontinued **).pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

OROGLAS MI-4T is an acrylic grade that associates improved impact resistance with high heat resistance.Key features improved impact resistance: up to 4 times more impact resistant than standard acrylics. outstanding thermal resistance: HDT A (1.82 MPa) = 98°c. good flow and processing behavior. UV stability. clarity, brilliance and excellent optical properties. Typical applications OROGLAS MI-4T can be injection molded or extruded to produce technical items mainly for automotive and lighting markets.ISO data provided by the manufacturer, Arkema.Arkema, formed in 2004, was formerly Atofina Chemicals and before that Elf Atochem.

Physical Properties	Metric	English	Comments
Density	1.18 g/cc	0.0426 lb/in³
Water Absorption	2.0 %	2.0 %
Moisture Absorption at Equilibrium	0.32 %	0.32 %	Humidity Absorption
Melt Flow	2.8 g/10 min @Load 3.80 kg, Temperature 230 °C	2.8 g/10 min @Load 8.38 lb, Temperature 446 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	76.0 MPa	11000 psi	50 mm/min
Elongation at Break	20 %	20 %	Nominal Strain; 50 mm/min
Elongation at Yield	4.0 %	4.0 %	50 mm/min
Tensile Modulus	2.80 GPa	406 ksi	1 mm/min
Charpy Impact Unnotched	3.50 J/cm²	16.7 ft-lb/in²
Charpy Impact, Notched	0.300 J/cm²	1.43 ft-lb/in²
Tensile Creep Modulus, 1 hour	2300 MPa	334000 psi
Tensile Creep Modulus, 1000 hours	1500 MPa	218000 psi

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	75.0 µm/m-°C @Temperature 20.0 °C	41.7 µin/in-°F @Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi)	102 °C	216 °F
Deflection Temperature at 1.8 MPa (264 psi)	98.0 °C	208 °F
Vicat Softening Point	102 °C	216 °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.

Electrical Properties	Metric	English
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
	3.8 @Frequency 100 Hz	3.8 @Frequency 100 Hz
Dielectric Strength	18.7 kV/mm	475 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

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