Covestro Bayhydur® BL 5335 Hydrophilic Modified Blocked Polyisocyanate

Features

Hydrophilic modified blocked polyisocyanate based on Desmodur® W, with Bayhydrol® A combination of hydroxyl polymers for the preparation of one-component polyurethane baking coatings.

Supply Form About 35 % water/MPA/xylene (ratio 56:4.5:4.5) solution

Specifications

Other Data

Features /app

Bayhydur® BL 5335 is a blocked polyisocyanate developed for industrial applications.
Bayhydur® BL 5335 is used as a curing agent for one-component lightfast baking lacquers, suitable for spraying, dipping and rolling. It is best used in glass coatings. Can be mixed with Bayhydrol® U XP 2239 to produce hydrolytically stable coatings with good glass adhesion and excellent resistance to solvents and chemicals, especially sodium hydroxide. Bake at 170°C for 30 minutes.

dissolve Sexuality/Dilution

Bayhydur® BL 5335 can be diluted with water, only with glycol ethers and alcohols partially compatible. Dilution solutions must be tested for compatibility and storage stability.

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- Store in Bayer MaterialScience original airtight container.
- Recommended storage temperature: 5-23 ℃.
- Protect from freezing, heat and foreign substances.
General information: This product is sensitive to freezing and freezing will have an irreversible effect on the product. Prolonged storage at high temperature will result in a decrease in viscosity or an increase in average particle size, resulting in precipitation and coagulation of the product. Contamination by bacteria, fungi or algae will render the product unusable.