Technical datasheet

NOVALLOY X X72S2(Type W)

Supplied byDaicel- Last Updated on Jan 19, 2026

NOVALLOY X X72S2(Type W) by Daicel is a high impact polystyrene polycarbonate PC/HIPS grade. Possesses good flowability & good impact and U.V. resistance. Is suitable for processing by injection molding and extrusion. Used in automotive exterior covers, laser beam printer, multifunction printer, electrical/electronics housing, home appliances and communication equipments. NOVALLOY X X72S2(Type W) by Daicel complies with ISO 14001:2004 and ISO 9001:2000.
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Compliance

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NOVALLOY X X72S2(Type W) properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Flame Rating, UL 940.0 Visible After LoginVisible After LoginVisible After Login
Flame Rating, UL 940.0 Visible After LoginVisible After LoginVisible After Login
Flame Rating, UL 940.0 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 Charpy0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 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
CTE, Linear, Parallel to Flow0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT), Unannealed0.0 Visible After LoginVisible After LoginVisible After Login

NOVALLOY X X72S2(Type W) Processing Guidelines

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Back PressureVisible After LoginVisible After Login
Back TemperatureVisible After LoginVisible After Login
Front TemperatureVisible After LoginVisible After Login
Middle TemperatureVisible After LoginVisible After Login
Mold TemperatureVisible After LoginVisible After Login
Mold shrinkageVisible After LoginVisible After Login
Nozzle TemperatureVisible After LoginVisible After Login
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