Technical datasheet

PLEXIGLAS® Diffuse™ DR®-66151

Supplied byTrinseo- Last Updated on Feb 11, 2026

PLEXIGLAS® Diffuse™ DR®-66151 by Trinseo is a polymethyl methacrylate acrylic (PPMA) resin. Exhibits outstanding hiding performance and high impact resistance. Designed for processing by extrusion method. PLEXIGLAS® Diffuse™ DR®-66151 is used in blend formulations to tailor lens properties in the LED lighting market. Possible applications include retail, commercial, automotive, transportation, signs, displays, buildings, construction, electronics, lighting, roadway outdoor lighting, clear and diffuse lenses. Complies with UL-94 (HB) Flame Rating.
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PLEXIGLAS® Diffuse™ DR®-66151 properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Flame Rating (UL-94)0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Strength0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Rockwell0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Elongation0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Optical properties

PropertiesValue & unitTest conditionTest method
Haze0.0 Visible After LoginVisible After LoginVisible After Login
Transmittance, Visible0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
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
Specific Gravity0.0 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)0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT)0.0 Visible After LoginVisible After LoginVisible After Login
Vicat Softening Temperature0.0 Visible After LoginVisible After LoginVisible After Login
Vicat Softening Temperature0.0 Visible After LoginVisible After LoginVisible After Login

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