Technical datasheet

DURANEX® 3105

Supplied byPolyplastics (Daicel)- Last Updated on Jan 23, 2026

DURANEX® 3105 by Polyplastics (Daicel) is a polybutylene terephthalate (PBT) polyester grade reinforced with 15 % glass fiber. Possesses good mechanical strength & moldability, good texture and aroma retaining properties. Exhibits good processability, dimensional stability & fuel-, grease-, oil and abrasion resistance. DURANEX® 3105 is suitable for processing by injection molding. Used in electrical and automotive applications. Complies with UL and RoHS regulations.
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DURANEX® 3105 properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Dielectric Strength0.0 Visible After LoginVisible After LoginVisible After Login
Volume Resistivity0.0 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
Elongation at Break, Nominal0.0 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
Hardness, Rockwell M0.0 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
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
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

DURANEX® 3105 Processing Guidelines

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Cylinder TemperatureVisible After LoginVisible After Login
Holding PressureVisible After LoginVisible After Login
Moisture Content (Max)Visible After LoginVisible After Login
Mold TemperatureVisible After LoginVisible After Login
Screw SpeedVisible After LoginVisible After Login
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