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Plexiglas® MI7

Polymethyl Methacrylate Acrylic

Supplied by Altuglas International of Arkema Inc.

The technical datasheet with complete property values for Plexiglas® MI7 is available to members of the Prospector Plastics Database.
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Product Description
Plexiglas® MI7 is an impact modified thermoplastic acrylic resin formulated for injection molding and extrusion applications. It is heat resistant, has high melt flow and provides 7 times the impact resistance of standard acrylics while maintaining excellent optical properties. It offers an excellent balance between melt flow and increased resistance to breakage, while providing weatherability superior to that provided by other high-impact plastics. Supplemental moldflow simulation data is available.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Additive 
  • Impact Modifier
Features 
  • Good Color Stability
  • Good Dimensional Stability
  • Good Flow
  • Good Thermal Stability
  • Good Toughness
  • Good UV Resistance
  • Good Weather Resistance
  • High Clarity
  • High Heat Resistance
  • Impact Modified
  • Low Shrinkage
  • Medium Impact Resistance
  • Scratch Resistant
Uses 
  • Automotive Exterior Parts
  • Lighting Diffusers
  
Agency Ratings 
Automotive Specifications 
Appearance 
  • Clear/Transparent
  • Colors Available
  • Opaque
  • Translucent
  
Forms 
  • Pellets
Processing Method 
  • Extrusion
  • Injection Molding
  
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Melt Mass-Flow Rate (MFR) (230°C/3.8 kg)
g/10 min
 ASTM D1238
Molding Shrinkage - Flow
in/in
 ASTM D955
Water Absorption (24 hr)
%
 ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ASTM D638
Tensile Strength (Break)
psi
 ASTM D638
Tensile Elongation (Break)
%
 ASTM D638
Flexural Modulus
psi
 ASTM D790
Flexural Strength (Yield)
psi
 ASTM D790
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact (73°F)
ft·lb/in
 ASTM D256
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (M-Scale)
 
 ASTM D785
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load 2
     ASTM D648
66 psi, Annealed
°F
  
264 psi, Annealed
°F
  
Vicat Softening Temperature
      
--
°F
 ASTM D1525 3
--
°F
 ASTM D1525 4
Thermal Conductivity
Btu·in/hr/ft²/°F
 ASTM C177
Optical
Nominal Value
Unit
Test Method
Refractive Index 5
 
 ASTM D542
Transmittance (125 mil)
%
 ASTM D1003
Haze (125 mil)
%
 ASTM D1003
Additional Information
Nominal Value
Unit
Test Method
ASTM Classification
 
 ASTM D788
Related Terminology
This supplier and product may also be known by these terms: Plexiglass

Product names can be difficult to match. You may have searched any one of these terms to find this product: Plexiglas® MI7, Plexiglas MI7, Plexiglas® , Plexiglas, PlexiglasMI7, MI 7, MI7, Acrylic, Acrylic, Polymethyl Methacrylate, Acrylic Polymethyl Methacrylate, Acrylic (PMMA), Acrylic PMMA, pmma, Altuglas/Arkema, AcrylicPolymethylMethacrylate, AcrylicPMMA, 7MI
Features
Features may also be described by the following terms: High Heat Resistance, High Clarity, Scratch Resistant, Resists Scratches, Good Color Stability, Good Dimensional Stability, Dimensionally Stable, Low Shrinkage, Good Thermal Stability, Good Flow, Medium Impact Resistance, Good Toughness, Tough, Good UV Resistance, UV Resistant, Ultraviolet Resistant, Ultraviolet Light Resistant, Good Weather Resistance, Weather Resistant.
Uses
Uses may also be described by the following terms: Lighting Diffusers, Lens.
Automotive Specifications
This plastic material has approval for 9 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): FORD (1), CHRYSLER (7), GM (1).
Agency Ratings
This plastic material has 1 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): FDA (1).
Injection
Nominal Value
Unit
 
Drying Temperature
°F
  
Drying Time
hr
  
Suggested Max Moisture
%
  
Suggested Shot Size
%
  
Suggested Max Regrind
%
  
Rear Temperature
°F
  
Middle Temperature
°F
  
Front Temperature
°F
  
Nozzle Temperature
°F
  
Processing (Melt) Temp
°F
  
Mold Temperature
°F
  
Injection Rate
 
  
Back Pressure
psi
  
Screw Speed
rpm
  
Screw L/D Ratio
 
  
Screw Compression Ratio
 
  
Vent Depth
in
  
Notes
1Typical properties: these are not to be construed as specifications.
2Annealing Cycle: 4hrs @ 80°C
3Rate A (50°C/h), Loading 1 (10 N)
4Rate A (50°C/h), Loading 2 (50 N)
5ND @ 73°F
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.