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EnCounter™ 3819

1 of 47 products in this brand

Polymer Name: Polybutylene Terephthalate (PBT)

Processing Methods: Injection Molding

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Plastics & Elastomers Functions
Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers Processing Methods

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength at Yield55MPaISO 527-2/50
Tensile Elongation at Break90%ASTM D638
Izod Notched Impact Strength (73°F)43J/mASTM D256
Physical Properties
ValueUnitsTest Method / Conditions
Molding Shrinkage - Flow (0.126 in (3.20 mm))0.483 - 0.584mm/mmASTM D955
Specific Gravity1.31-ASTM D 792
Thermal Properties
ValueUnitsTest Method / Conditions
Heat Deflection Temperature - HDT (264 psi)49°CASTM D648
Heat Deflection Temperature - HDT (66 psi)121°CASTM D648
Processing Information (Injection Molding)
ValueUnitsTest Method / Conditions
Drying Temperature250°F
Drying Time3hr
Maximum Drying Time8h
Suggested Maximum Moisture0.0002%
Rear Barrel Temperature460 - 490°F
Middle Barrel Temperatures460 - 490°F
Front Barrel Temperatures470 - 500°F
Nozzle Temperature460 - 490°F
Mold Temperature120 - 170°F
Melt Temperature470 - 500°F