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Kolon Industries Spesin® KP270 is a Polybutylene Terephthalate (PBT) product. It can be processed by extrusion and is available in North America. Characteristics includes flame rated and RoHS compliant.

Polymer Name: Polybutylene Terephthalate (PBT)

Processing Methods: Extrusion

Flexural Modulus: 2501.0 - 2501.0 MPa

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    Identification & Functionality

    Chemical Family
    Plastics & Elastomers Functions
    Technologies

    Applications & Uses

    Plastics & Elastomers End Uses
    Plastics & Elastomers Processing Methods

    Properties

    Flame Rating
    Physical Form
    Flame Rating
    UL 94 HB
    Mechanical Properties
    ValueUnitsTest Method / Conditions
    Tensile Strength54MPaISO 527
    Flexural Strength94MPaASTM D 790
    Flexural Modulus2501MPaASTM D 790
    Izod Impact notched (1/8 in)49J/mASTM D 256
    Rockwell Hardness118Scale RASTM D 785
    Physical Properties
    ValueUnitsTest Method / Conditions
    Melt Flow Index - MFI (250°C/2.16 kg)8g/10 minASTM D 1238
    Mold Shrinkage (MD)0.018mm/mmASTM D 955
    Density1310kg/m3ISO 1183
    Thermal Properties
    ValueUnitsTest Method / Conditions
    Coefficient of Thermal Expansion (MD)80E-6/KASTM D 696
    Deflection Temperature Under Load (264 psi)70°CASTM D 648
    Deflection Temperature Under Load (66 psi)155°CASTM D 648
    Thickness tested0.8mm
    Melting Temperature224°CASTM D 3418
    Electrical Properties
    ValueUnitsTest Method / Conditions
    Dielectric Strength (Short Time)28kV/mmASTM D 149
    Dielectric Constant (1 MHz)3.1-ASTM D 150
    Arc Resistance120sASTM D 495
    Flammability
    ValueUnitsTest Method / Conditions
    Flame ratingHB-UL 94
    Other Properties
    ValueUnitsTest Method / Conditions
    Water Absorption (24 hr)0.07%ASTM D 570

    Regulatory & Compliance

    Certifications & Compliance

    Packaging & Availability

    Country Availability
    Regional Availability
    • Asia Pacific
    • Canada
    • North America
    • USA