Envalior Engineering Polymers

Technical datasheet

ForTii® XS51

Supplied byEnvalior- Last Updated on Jun 10, 2025

ForTii® XS51 by Envalior is a flame retarded, 50% glass fiber reinforced, PPA (PA 4T) grade. It is halogen & red phosphorous-free. It is suitable for processing by injection molding. It provides good chemical resistance, and excellent balance of mechanical strength and flow. It offers stable process behavior that allows high-quality surface requirements such as notebook covers. It supports complicated geometry design and enabling robust mechanical performance in the drop test. ForTii® XS51 is used in medium voltage circuit breakers embedded pole, notebook housing and medium voltage circuit breakers.
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ForTii® XS51 properties

Electrical properties

PropertiesValue & unitTest conditionTest method
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

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, Charpy0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Charpy0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strain0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Break0.0 Visible After LoginVisible After LoginVisible After Login
Weldline Strain0.0 Visible After LoginVisible After LoginVisible After Login
Weldline Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Moisture Absorption0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Linear Mold Shrinkage0.0 Visible After LoginVisible After LoginVisible After Login
Linear Mold Shrinkage, Flow0.0 Visible After LoginVisible After LoginVisible After Login
Spiral Flow Length0.0 Visible After LoginVisible After LoginVisible After Login
Spiral Flow Length0.0 Visible After LoginVisible After LoginVisible After Login
Spiral Flow Length0.0 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, Parallel to Flow0.0 Visible After LoginVisible After LoginVisible After Login
Deflection Temperature at 1.8 MPa (264 psi)0.0 Visible After LoginVisible After LoginVisible After Login
Glass Transition Temperature (Tg)0.0 Visible After LoginVisible After LoginVisible After Login
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login

ForTii® XS51 Processing Guidelines

Injection Processing Guidelines

PropertiesValue & unitTest conditionTest method
Barrel Mold TemperatureVisible After LoginVisible After Login

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Back PressureVisible After LoginVisible After Login
Barrel Center TemperatureVisible After LoginVisible After Login
Barrel Front TemperatureVisible After LoginVisible After Login
Barrel Melt TemperatureVisible After LoginVisible After Login
Barrel Nozzle TemperatureVisible After LoginVisible After Login
Barrel Rear TemperatureVisible After LoginVisible After Login
Dew PointVisible After LoginVisible After Login
Drying TemperatureVisible After LoginVisible After Login
Drying TimeVisible After LoginVisible After Login
Melt Residence Time (MRT)Visible After LoginVisible After Login
Moisture ContentVisible After LoginVisible After Login
Screw Rotation SpeedVisible After LoginVisible After Login
Volumetric Compression RatioVisible After LoginVisible After Login

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