Technical datasheet

Premi-Glas® 3101-25

Supplied byLyondellBasell- Last Updated on Jul 18, 2025

Premi-Glas® 3101-25 by LyondellBasell is a halogen-free, unspecified thermoset bulk molding compound, reinforced with glass fiber. It offers flame retardance, good electrical properties and good dimensional stability. It is processed by injection-, compression- or resin transfer molding. Recommended for electrical circuit breakers, switch gears, electrical and electronic applications. Premi-Glas® 3101-25 complies with UL File number E42524, UL-94 (5V) and UL-94 (V0) flame ratings.
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Premi-Glas® 3101-25 properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Arc Resistance0.0 Visible After LoginVisible After LoginVisible After Login
Dielectric Strength0.0 Visible After LoginVisible After LoginVisible After Login

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

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, Unnotched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 Visible After LoginVisible After LoginVisible After Login
Poisson's Ratio0.0 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
Linear Mold Shrinkage, Flow0.0 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
CTE, Linear, Transverse to Flow0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT), Unannealed0.0 Visible After LoginVisible After LoginVisible After Login
Thermal Conductivity0.0 Visible After LoginVisible After LoginVisible After Login
UL RTI, Electrical0.0 Visible After LoginVisible After LoginVisible After Login
UL RTI, Mechanical with Impact0.0 Visible After LoginVisible After LoginVisible After Login
UL RTI, Mechanical without Impact0.0 Visible After LoginVisible After LoginVisible After Login

Premi-Glas® 3101-25 Processing Guidelines

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Injection PressureVisible After LoginVisible After Login
Mold TemperatureVisible After LoginVisible After Login

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