Professional production of coating additives
20 years of production experience
20 years of production experience
| Product Name | Polyester adhesion promoter |
| Composition | polyester phosphate |
| Appearance | colorless to yellowish transparent liquid |
| Active Content | 60%±2 |
| Application Range | Tinplate, Coil steel, Cast iron, Aluminum alloy, Electroplated surface, Aluminum magnesium alloy, Inorganic glass and other surface treatment. |
| Recommended Dosage | Total formula amount 0.5-2.0% (test the most appropriate dosage before use) |
| Usage | can be added before and after grinding. |
| Features and Advantages | 1. Polyester phosphate ester can improve the coating adhesion by bonding with metal surface, and the coating has better adhesion and fastness on difficult to adhere metals and plastics, improve the water resistance, boiling water resistance, salt spray resistance and solvent resistance of coatings, and enhance the hardness and wear resistance. 2. Its attached group interacts with the metal, so that the adhesion promoter is oriented on the substrate and reduces the scratch corrosion of the pre-coated plate. 3. The agent contains reactive groups of the substrate, which can crosslink with the system hydroxyl group. It is suitable for one-component heat-curing coatings and inks. It has a good adhesion promoting effect on cold rolled steel, galvanized steel and other metals, as well as PBT plastics and inorganic glass. It can improve the chemical resistance of the paint film and the solvent resistance of some inorganic materials. |
| Package | 25kg/200kg non-recyclable barrel. The lid must be tightly closed after use if the product is not completely used. |
| Storage | keep away from heat source, light source and avoid light. |
| Precautions | Good compatibility with the main resin, the most appropriate amount to be added needs to be found through test. |
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