Product description
Defoamer STA-5500 is a good miscible antifoam and defoamer. It is suitable for solvent-based, solvent-free and UV curing systems. It has a significant effect of eliminating bubbles in thick films of polyurethane coatings. It also has the effect of suppressing and eliminating bubbles in spray coating, roll coating and spray coating.
Physical properties (This data is for experimental reference only. For detailed product technical information, please contact the company)
| composition | Solid content | proportion
(G / cm
3) | Exterior | Solvent |
| Modified polysiloxane | 1% | 0.88-0.92 | Colorless transparent liquid | Cyclohexanone / Aromatic Hydrocarbons |
Features and benefits
☀ Good compatibility, can eliminate the fisheye, pinhole, crater and other defects of the coating film, and is very suitable for use in various colors of topcoat and gold oil;
☀The defoaming effect of the bubbles (carbon dioxide) generated by the two-liquid PU reaction;
☀ Can suppress and eliminate the air bubbles generated during the manufacture, agitation and construction of the coating; it also has excellent inhibition performance and bubble release effect on the air bubble generation on the baking paint system for dip coating and roll coating.
Application range
☀ Acrylic resin, nitro lacquer, UV curing system, two-component polyurethane, epoxy resin, alkyd resin, baking system, etc.
Added amount
☀ 0.2-1% of the total system is recommended.
Packaging specifications
☀ 25KG drum
Precautions
☀ Sealed and stored at low temperature. Avoid direct contact with skin and eyes during operation, do not contaminate the product
For other products and containers, please test spray before each batch, please use it within the shelf life.
The above information is for experimental reference only and does not have any guarantee nature. Users should conduct test applicability according to their own conditions and requirements.
If you have any questions, please consult our technical staff: 137-2999-8903 / Mr. Ling
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