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PBST SA916F is designed to be used as a raw material for compostable compounds, especially for film applications. The use of the product as the main raw material for the resin composition allows the product to achieve a high degree of bio-based carbon content as well as high tear and puncture strength. PBST SA916F is a grade for food contact applications.

Polymer Name: Polyester (unspecified)

Labeling Claims: Bio-based, Biodegradable, Food Contact Acceptable

Processing Methods: Blown Film Extrusion, Cast Film Extrusion, Extrusion, Film Extrusion

Density: 1260.0 - 1260.0 kg/m³

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Plastics & Elastomers Functions
Technologies

Features & Benefits

Key Features
  • Good processability in blown film fabrication or cast film extrusion process using an existing LDPE film production machine.
  • Low gel content.
  • Good dispersibility with other biodegradable polymers, i.e. PBS(A), PBAT, PLA, PHA, Starch, etc.
  • Suitable for film applications, i.e. shopping bag, compost bag, mulch film, food packaging, etc.
  • Good transparency, strong tear strength, high elongation at break.

Applications & Uses

Plastics & Elastomers End Uses

Properties

Physical Form
Cast Film Extrusion Properties
ValueUnitsTest Method / Conditions
Temperature125 - 170°C
Die Lip Gap0.5 - 1.0 mm
Roll Temperature25 - 50 °C
Press Film Properties
ValueUnitsTest Method / Conditions
Thickness99.0µm
Young Modulus68.0MPaISO 527-3
Yield Stress6.0MPaISO 527-3
Tensile Strength36.0MPaISO 527-3
Elongation at Break800.0%ISO 527-3
Elmendorf Tear Strength100.0N/mmISO 6383-2
Blown Film Fabrication Properties
ValueUnitsTest Method / Conditions
Temperature125 - 160 °C
Die Lip Gap0.8 - 1.8 mm
Blow Up Ratio2.0 - 4.5
Cast Film Properties
ValueUnitsTest Method / Conditions
Thickness30.0µmISO 1183
Young Modulus (machine direction)92.0MPaISO 527-3
Young Modulus (transverse direction)128.0MPaISO 527-3
Yield Stress (machine direction)13.0MPaISO 527-3
Yield Stress (transverse direction)9.0MPaISO 527-3
Tensile Strength (machine direction)49.0MPaISO 527-3
Tensile Strength (transverse direction)37.0MPaISO 527-3
Elongation at Break (machine direction)280.0%ISO 527-3
Elongation at Break (transverse direction)920.0%ISO 527-3
Elmendorf Tear Strength (machine direction)2.0N/mmISO 6383-2
Elmendorf Tear Strength (transverse direction)170.0N/mmISO 6383-2
Puncture Impact Strength38000.0J/mMCC method
Blown Film Properties
ValueUnitsTest Method / Conditions
Blow Up Ratio*2.5
Thickness*32.0µm
Young Modulus (machine direction)*210.0MPaISO 527-3
Young Modulus (transverse direction)*270.0MPaISO 527-3
Yield Stress (machine direction)*17.0MPaISO 527-3
Yield Stress (transverse direction)*14.0MPaISO 527-3
Tensile Strength (machine direction)*57.0MPaISO 527-3
Tensile Strength (transverse direction)*52.0MPaISO 527-3
Elongation at Break (machine direction)*530.0%ISO 527-3
Elongation at Break (transverse direction)*770.0%ISO 527-3
Elmendorf Tear Strength (machine direction)*2.0N/mmISO 6383-2
Elmendorf Tear Strength (transverse direction)*92.0N/mmISO 6383-2
Puncture Impact Strength*29000.0J/mMCC method
Pellet Properties
ValueUnitsTest Method / Conditions
Melt Flow Rate (at 190°C, 21.2 N)3.5 - 4.0g/10 minISO 1133
Melting Point110.0°CDSC
Glass Transition Temperature-20.0°CDSC
Density1.26g/cm³ISO 1183
Note

* - Typical properties of blown film of PBST SA916F / BioPBS FZ91PM (70 wt% / 30 wt%)

Regulatory & Compliance

Technical Details & Test Data

Property Features Comparison

PBST SA916F - Property Features Comparison - 1

Packaging & Availability

Regional Availability
  • Africa
  • Asia Pacific
  • EMEA
  • Europe
  • Middle East
Packaging Information
  • PBST SA916F pellets are dried and packed in aluminum-lined packaging.
  • Available in 25 kg bags

Storage & Handling

Storage Conditions
  • Do not store outdoors. Keep dry at ambient temperature.
  • Avoid humid environment, heat and direct sunlight.
  • Use material as soon as possible after the delivery, in order to prevent possible material quality deterioration.
  • Pre-dry of the unopened PBST SA916F is not necessary.
  • It is recommended to keep packages sealed until ready to process and using up the whole 25-kg bag.
  • Unused material should be tightly sealed, kept away from open air, and pre-dried (at 60°C for over 5 hours) to moisture content of less than 1,000 ppm (preferable less than 500 ppm) prior to using next time.