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The product (HG-CohesivePro 4001) is hydroxy-functional copolymer with acidic adhesive groups which is adsorbed on silicon dioxide. The product features affinity functional groups to substrate and is designed to be used as a adhesion promoter for powder coatings to improve adhesion to substrates. More specifically, HG-CohesivePro 4001 can be used for various powder coating systems based on epoxy, polyester, and polyurethane resin, as well as their combinations.
HG-CohesivePro 4001 owns many notable features, including:
| Properties | HG-CohesivePro 4001 |
| Actives Content | 63% |
| Appearance | Fine white powder |
| Density (20 °C) | 1.41 g/ml |
| Residue After Calcining | 34% |
*Comments: The properties given here are typical of average lots. Alfa Chemistry does not represent that products in any particular batch will exactly conform to the values given.
Depending on the purpose of use, the product is added to the powder coating formulation at 0.5-3% level based on the total formulation. Then the product is mixed with resin, curing agent, pigment and other raw materials through a high-speed mixer, so that the product can be evenly dispersed in the system, and then extruded. Uniform dispersion will enable the powder coating to achieve the best performance.
* The above product dosage is for reference only, and the optimal dosage needs to be determined through a series of experiments. In addition, if you need more details, please feel free to contact us.
