Technical datasheet

MAGNUM™ 555

Supplied byTrinseo- Last Updated on Feb 11, 2026

MAGNUM™ 555 by Trinseo is a low gloss, low flow acrylonitrile butadiene styrene (ABS) grade. Exhibits a wide range of melt flow rates, excellent balance of processability, good stiffness, impact and heat resistance. Provides excellent high & low gloss aesthetics and good thermal color stability. Can be processed by injection molding, sheet and profile extrusion and thermoforming. Recommended for burial vault liners, tool cases, recreational vehicles, luggage and signs. MAGNUM™ 555 complies with U.S. FDA 21 CFR 181.32.
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Benefits

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Compliance

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Availability

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MAGNUM™ 555 properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Dielectric Constant0.0 Visible After LoginVisible After LoginVisible After Login
Dissipation Factor0.0 Visible After LoginVisible After LoginVisible After Login

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
Impact Strength, Notched Izod0.0 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 Strength at Break0.0 Visible After LoginVisible After LoginVisible After Login

Optical properties

PropertiesValue & unitTest conditionTest method
Gloss0.0 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 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

Thermal properties

PropertiesValue & unitTest conditionTest method
Vicat Softening Temperature0.0 Visible After LoginVisible After LoginVisible After Login

MAGNUM™ 555 Processing Guidelines

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Back PressureVisible After LoginVisible After Login
Clamp TonnageVisible After LoginVisible After Login
Drying TemperatureVisible After LoginVisible After Login
Drying TimeVisible After LoginVisible After Login
Melt TemperatureVisible After LoginVisible After Login
Moisture Content (Max)Visible After LoginVisible After Login
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