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Diakon® ST25H7

Polymethyl Methacrylate Acrylic

Supplied by Lucite International Inc.

The technical datasheet with complete property values for Diakon® ST25H7 is available to members of the Prospector Plastics Database.
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General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
Features 
  • Good Toughness
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
 ISO 1183
Melt Mass-Flow Rate (MFR)
g/10 min
 ISO 1133
Molding Shrinkage
%
 ISO 294-4
Water Absorption (Equilibrium, 73°F, 50% RH)
%
 ISO 62
Mechanical
Nominal Value
Unit
Test Method
Tensile Stress (Yield)
psi
 ISO 527-2
Tensile Strain (Yield)
%
 ISO 527-2
Flexural Modulus
psi
 ISO 178
Flexural Strength
psi
 ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength
ft·lb/in²
 ISO 179/1eA
Charpy Unnotched Impact Strength
ft·lb/in²
 ISO 179/1eU
Notched Izod Impact Strength
ft·lb/in²
 ISO 180/1A
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (M-Scale)
 
 ISO 2039-2
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature (264 psi, Unannealed)
°F
 ISO 75-2/A
Vicat Softening Temperature
      
--
°F
 ISO 306/A
--
°F
 ISO 306/B
CLTE - Flow
in/in/°F
 ASTM E831
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
 
 UL 94
Glow Wire Ignition Temperature
°F
 IEC 60695-2-13
Optical
Nominal Value
Unit
Test Method
Refractive Index
 
 ISO 489
Transmittance
%
 ASTM D1003
Haze
%
 ASTM D1003
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Diakon® ST25H7, Diakon ST25H7, Diakon® , Diakon, DiakonST25H7, ST 25 H 7, ST25H7, ST25, 25H, H7, Acrylic, Acrylic, Polymethyl Methacrylate, Acrylic Polymethyl Methacrylate, Acrylic (PMMA), Acrylic PMMA, pmma, Lucite, AcrylicPolymethylMethacrylate, AcrylicPMMA, 25ST
Features
Features may also be described by the following terms: Good Toughness, Tough.
Injection
Nominal Value
Unit
 
Drying Temperature
°F
  
Drying Time
hr
  
Rear Temperature
°F
  
Middle Temperature
°F
  
Front Temperature
°F
  
Nozzle Temperature
°F
  
Mold Temperature
°F
  
Notes
1Typical properties: these are not to be construed as specifications.
 
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.