Phosphate Primer
This paint is made by dissolving polyvinyl butyral in alcohol solvents, processed with rust-preventive pigments, etc., and used with a separately packaged phosphating solution in the appropriate proportion.
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Product Description
Phosphating Primer
This paint is made by dissolving polyvinyl butyral in alcohol solvents, processed with anti-rust pigments, etc., and is used in proportion with a separately packaged phosphating solution.
Characteristics
Primarily used as a surface treatment agent for non-ferrous and ferrous metal substrates, it provides a phosphating effect and enhances the adhesion between organic coatings and metal surfaces.
Uses
This paint, also known as wash primer, is suitable for coating various ships, buoys, bridges, instruments, and other metal components and equipment surfaces.
Technical Requirements
| Item | Indicator |
| Appearance of original paint | Yellow translucent viscous liquid |
| Appearance of phosphating solution | Colorless to slightly yellow transparent liquid |
| Paint film color and appearance | Yellow-green translucent paint film, smooth |
| Viscosity (Tu-4)S 25℃ | 30-70 |
| Phosphoric acid content in phosphating solution % | 15-16 |
| Drying time: 23±2℃ min ≤ | 30 |
| Flexibility mm | 1 |
| Impact strength kg/cm | 50 |
| Adhesion level | 1 |
| Saltwater resistance (immersed in saltwater for 3h) | No signs of rust |
| Fineness μm | 60 |
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