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Ensinger PEI

Arkema Oroglas® MI-4T Acrylic, Heat Resistant  (discontinued **)
Categories: Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Heat Resistant, Molded
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.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.18 g/cc0.0426 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 PropertiesMetricEnglishComments
Tensile Strength, Yield 76.0 MPa11000 psi50 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 GPa406 ksi1 mm/min
Charpy Impact Unnotched 3.50 J/cm²16.7 ft-lb/in²
Charpy Impact, Notched 0.300 J/cm²1.43 ft-lb/in²
Tensile Creep Modulus, 1 hour 2300 MPa334000 psi
Tensile Creep Modulus, 1000 hours 1500 MPa218000 psi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+15 ohm-cm1.00e+15 ohm-cm
Surface Resistance 1.00e+14 ohm1.00e+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/mm475 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 V600 V
 
Thermal PropertiesMetricEnglishComments
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 °C216 °F
Deflection Temperature at 1.8 MPa (264 psi) 98.0 °C208 °F
Vicat Softening Point 102 °C216 °F50°C/hr; 50N
Flammability, UL94 HB
@Thickness 1.60 mm		HB
@Thickness 0.0630 in
 
Optical PropertiesMetricEnglishComments
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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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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