Isolan BIO PST

Material Definition

Chemical basis: Modified aliphatic polyurethane dispersion

Ionicity: Anionic

Viscosity (23 °C): Approx. 50 mPa·s

pH value: 7,0 - 9,0

Solid Content: 34.0 – 36.0%


Isolan BIO PST is a modified aliphatic polyurethane dispersion, rooted in Polyether and consisting of at least 52% BIO polyols derived from renewable sources. It is devoid of NMP and NEP. This medium-soft polyurethane showcases commendable resistance to hydrolysis and temperature, resulting in an elastic film. It's suitable for textiles, synthetics, leather, and coatings.

Typical film characteristics: 100% modulus stands at 2-3 Mpa, tensile strength measures at 20 Mpa, and elongation is approximately 7x.

Handling, Storage and Packaging

12 months from delivery in closed containers.

The product is stable for at least one year when stored in sealed original packing at temperatures between 5°C and 30°C without exposure to sunlight. Sensitive to frost. Stir up before using.

Regulatory Information

EU REACH registered: Not applicable


  • Americas (United States, Canada, South America)
  • APAC (Asia-Pacific)
  • ANZ (Australia, New Zealand)
  • EU (European Union)
  • PRC (People's Republic of China)
  • UK (United Kingdom)
  • Disclaimer / Conditions

    Revision: 2023-09-18 / 1af9

    We strive to be accurate in all of our documentation. However, any information or advice is provided by us in good faith, without warranty or unlimited claim of fitness for a specific application. We sell to qualified industrial users only. The onus is on the product's user to research carefully and then to continually test the product and its application procedures within the context of its specific use. Use of our products and data requires diligance and care, and is within the sole responsibility of the user. Kautschuk-Group does not accept any liability for damages incurred. Our general Terms and Conditions apply.

    Stated storage and shelf life times are minimum guaranteed values for a period starting on the day of shipment. After this period has expired, the product requires additional quality control testing but may very well still be within specification. For more information, refer to our Shelf Life Policy.

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