Technical datasheet

CALIBRE™ 301-58 LT

Supplied byTrinseo- Last Updated on Feb 24, 2026

CALIBRE™ 301-58 LT by Trinseo is a polycarbonate resin. Exhibits a high-light transmission and purity. Possesses very high ductility and toughness over a wide temperature range. Is suitable for processing by injection molding. CALIBRE™ 301-58 LT by Trinseo used in LED optics and LED guides.
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CALIBRE™ 301-58 LT properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Flammability Rating UL 940.0 Visible After LoginVisible After LoginVisible After Login
Glow Wire Flammability Index (GWFI)0.0 Visible After LoginVisible After LoginVisible After Login
Glow Wire Ignition Temperature (GWIT)0.0 Visible After LoginVisible After LoginVisible After Login
Limiting Oxygen Index (LOI)0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Elongation at Break0.0 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
Flexural Strength0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Unnotched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 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
Haze0.0 Visible After LoginVisible After LoginVisible After Login
Refractive Index0.0 Visible After LoginVisible After LoginVisible After Login
Transmittance, Visible0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Abrasion0.0 Visible After LoginVisible After LoginVisible After Login
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 Shrinkage, Flow0.0 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
Heat Deflection Temperature (HDT), Unannealed0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT), Unannealed0.0 Visible After LoginVisible After LoginVisible After Login
Vicat Softening Temperature0.0 Visible After LoginVisible After LoginVisible After Login

CALIBRE™ 301-58 LT Processing Guidelines

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Dew PointVisible After LoginVisible After Login
Drying TemperatureVisible After LoginVisible After Login
Drying TimeVisible After LoginVisible After Login
Feed TemperatureVisible After LoginVisible After Login
Melt TemperatureVisible After LoginVisible After Login
Metering TemperatureVisible After LoginVisible After Login
Moisture Content (Max)Visible After LoginVisible After Login
Mold TemperatureVisible After LoginVisible After Login
Nozzle TemperatureVisible After LoginVisible After Login
Transition TemperatureVisible After LoginVisible After Login

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