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Compostable® 4008D

1 of 10 products in this brand
Compostable® 4008D Polylactic acid. It is BPI certified for industrial compostability at maximum of 3.0 mil thickness. It is starch-based and gluten-free, made from corn, tapioca and potato starches that primarily come from the American Midwest (versus oil from the Middle East).

Polymer Name: Polylactic Acid (PLA)

Labeling Claims: Bio-based, Biodegradable, Gluten-free

Processing Methods: Extrusion

    Knowde Enhanced TDS

    Identification & Functionality

    Plastics & Elastomers Functions
    Biodegradable
    Yes
    Bio Based
    Yes
    Bio Based Content (corn, tapioca and potato starches)
    84.0%
    Technologies

    Features & Benefits

    Features

     It has been designed to have an excellent balance of strength, toughness and processability. Can be processed on existing sheet extrusion machines. It is recommended for paper extrusion coating to replace LDPE coated paper applications including cups, plates, containers, wraps, and similar applications.

    • Strength, High
    • Processability, Good
    • Biodegradable
    • Compostable
    • Toughness, Ultra High
    • Renewable Resource Content

    Applications & Uses

    Plastics & Elastomers End Uses
    Plastics & Elastomers Processing Methods
    Applications
    • Packaging>>Food-Cups Packaging>>Food-Plates Packaging>>Food-Containers
    • Packaging>>Food-Wraps
    • Extrusion

    Properties

    Physical Form
    Physical Properties
    ValueUnitsTest Method / Conditions
    Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index 190°C/2.16 kg)5.5g/10minASTM D1238
    Specific Gravity (Method A)70.5lb/cu ftASTM D 792
    Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index 210°C/2.16 kg)38.2g/10minASTM D1238
    Mechanical Properties
    ValueUnitsTest Method / Conditions
    Tensile Strengthmax. 7900psiASTM D 638
    Tensile Elongation (at Break)4.0%ASTM D 638
    Tensile Modulus453.0kpsiASTM D 638
    Flexural Modulus380.0kpsiASTM D 790
    Flexural Strength11400.0psiASTM D 790
    Typical Properties
    ValueUnitsTest Method / Conditions
    Gardner Impact10.0in-lbfASTM D 5420
    Die Temperature300-355°F
    Feed Zone350 - 400°F
    Adapter Temperature390 - 430°F
    Middle Zone390 - 430°F
    Melt Temperature300-355°F
    Front Zone160 - 180°F
    Drying Temperature390 - 430°F
    Drying Time4.0hr
    Screw Speed20 - 120rpm

    Regulatory & Compliance

    Certification

    BPI certified