Technical datasheet

ALTUGLAS™ Diffuse 501

Supplied byTrinseo- Last Updated on Feb 11, 2026

ALTUGLAS™ Diffuse 501 by Trinseo is a high-impact-resistant acrylic resin. It exhibits diffusion, exceptional hot spot hiding and good light transmission. It is available in Africa/ Middle East, Asia-Pacific, Europe and Oceania. It is suitable for lightings (electronics/ electricals), building and construction, road construction, signage, signs and displays. The applications for ALTUGLAS™ Diffuse 501 include LED lighting.
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ALTUGLAS™ Diffuse 501 properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Flame Rating, UL940.0 Visible After LoginVisible After LoginVisible After Login
Glow Wire Ignition Temperature (GWIT)0.0 Visible After LoginVisible After LoginVisible After Login
Glow Wire Ignition Temperature (GWIT)0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Conventional Flexural Stress0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Yield0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Rockwell M0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Charpy0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Unnotched Charpy0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Break0.0 Visible After LoginVisible After LoginVisible After Login

Optical properties

PropertiesValue & unitTest conditionTest method
Diffusion factor [ T(20°) + T(70°) / 2 T(5°)]0.0 Visible After LoginVisible After LoginVisible After Login
Haze0.0 Visible After LoginVisible After LoginVisible After Login
Relative Diffusing Power (1 inches)0.0 Visible After LoginVisible After LoginVisible After Login
Relative Diffusing Power (2 inches)0.0 Visible After LoginVisible After LoginVisible After Login
Transmittance, Visible0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Tensile Strength at Yield0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Linear Mold Shrinkage0.0 Visible After LoginVisible After LoginVisible After Login
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)0.0 Visible After LoginVisible After LoginVisible After Login
Water Absorption0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Heat Deflection Temperature (HDT), Annealed0.0 Visible After LoginVisible After LoginVisible After Login
Vicat Softening Temperature0.0 Visible After LoginVisible After LoginVisible After Login

ALTUGLAS™ Diffuse 501 Processing Guidelines

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Drying TemperatureVisible After LoginVisible After Login
Drying TimeVisible After LoginVisible After Login
Melt TemperatureVisible After LoginVisible After Login
Mold TemperatureVisible After LoginVisible After Login

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