SURFYNOL® PSA 336 is a substrate wetting additive designed to provide excellent dynamic wetting on difficult-to-wet substrates. Here's a breakdown of its properties and usage:
Description:
- SURFYNOL® PSA 336 offers efficient static and dynamic surface tension reductions, making it effective for wetting difficult substrates.
- It is easy to formulate into water-based systems, allowing for convenient application.
Key Benefits:
- Efficient static and dynamic surface tension reductions.
- Ease of addition without gel formation.
- Suitable for food contact compliant formulations.
Effect:
- Substrate wetting.
- Anti-crater effect.
- Flow promotion.
- Defoaming.
- Reduction of static surface tension.
- Reduction of dynamic surface tension.
Suitability:
- Suitable for waterborne and solventborne systems.
- Compatible with 2-pack 100% radiation-curing formulations.
- Suitable for use in pigmented coatings and clear coatings.
Typical Applications:
- Wood coatings.
- Printing inks.
- Plastic coatings.
- Other applications where dynamic wetting is essential.
Technical Data:
- Active matter content: 80%.
- Appearance: Clear to hazy colored liquid.
- Chemical description: Acetylenic-based formulated surfactant.
- Solvent: Water.
Solubility:
- Water: Soluble.
- Ethanol, TPGDA, Acetone, Butylacetate, Mineral Spirits: Partly soluble.
Recommended Addition Level:
- As supplied, calculated on total formulation: 0.1 - 1.0%.
Processing Instructions:
- Can be added to the coating as supplied or as a predilution.
- Can be introduced during the let-down stage.
Handling & Storage:
- Shelf life of 60 months from the date of manufacture when stored in original unopened packaging.
- Keep containers tightly closed in a dry, cool, and well-ventilated place.
- Product is freeze-thaw stable; if it phase separates or freezes at colder temperatures, warm the container to 40°C and mix thoroughly before use.
This information and all further technical advice are based on the present knowledge and experience of Evonik Operations GmbH.