DuraSense Pure S40 Food

Alternative and trade names
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Polypropylene (PP) reinforced with 40% S-Wood fiber (Biocomposite).

This grade is also available as biobased polypropylene (PP).

Physical properties are measured at 23°C and 50% RH

Related Standards

This material data has been provided by Stora Enso Biocomposites.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Bio-based content

40.0 %

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23 °C

1.07 g/cm³

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ISO 1183



Elastic modulus

23 °C

5.2 GPa

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ISO 527-2/2


23 °C

2.3 %

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ISO 527-2/50

Flexural modulus

23 °C

4.4 GPa

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ISO 527-2/2

Impact strength, Charpy unnotched

23 °C

15 kJ/m²

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ISO 179/1eU

Tensile strength

23 °C

45 MPa

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ISO 527-2/50




UL94: HB

Rheological Properties


Melt mass-flow rate

23 °C

20 g/10min

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ISO 1133, 220°C/5kg

Technological properties


  • Chemical substances: REACH Compliant
  • Raw material: FSC/PEFC™ Chain of Custody
  • Food Applications: EU10/2011, GB4806.6-2016
  • Production: Approved according to GMP (Good Manufacturing Practice)
  • Toys: EN 71-3, GB 6675.1-2014
  • ISO certifications: ISO 9001/14001/50001/ OHSAS18001
  • International Sustainability and Carbon Certification: ICSS Plus
  • Fillers

    40% S-Wood Fiber


    General safety instructions, read also Process instructions:

  • Avoid high temperatures an long residence time. At high temperature fibers may degrade and can result in pressure build up in machine.
  • Avoid large piles of purged material, can start to smolder
  • Keep reject material from flammable materials, let cool before disposal i.e in water
  • Processing methods

    Drying: 2 hours at 105°C

    Injection moulding machine Temperatures:

  • Nozzle temp: 180 - 205°C
  • Zones used: 180 - 200°C
  • Zones unused: 150 - 180°C
  • Hot runner: 180 - 205°C
  • Mold temperature: 40-100°C

  • The below instructions may differ on due to injection speed, machine etc. Read process intructions.

  • Injection speed: Start slow and increase to fill the mold
  • Holding pressure: At least 50% of injection pressure
  • Holding time: Until gate freeze or lower
  • Cooling time: Approx 2 sek/mm wall thickness
  • Shot size: 25-75% of machine capacity, increase shot by approx. 10% compared to unfilled polymer