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Main ingredients: polyurethane resin, calcium carbonate, auxiliary, etc.
Features:
Water-based coatings refer to environmentally friendly coatings that use water as the main solvent or dispersion medium. More than 80% of the volatile components are water. They do not contain benzene, toluene, xylene, formaldehyde, free TDI, harmful heavy metals, and are non-toxic and non-irritating. Odorless, harmless to human body and does not pollute the environment.
The water-based polyurethane resin coating produced by our company is a one-component water-based anionic system polyurethane emulsion. It can be directly miscible with water in liquid form, cures at room temperature, does not require a curing agent, and is waterproof and solvent-resistant after drying. This product can be used in waterproof coatings, roofs, basements, civil air defense projects, kitchens and bathrooms, tunnels, bridges, pools and other water-permeable projects, as well as caulking materials for building structures such as wooden floors, cement boards, asbestos products, fiberglass products, and ceramic products. Bonding of floor tiles, etc.
Control Index:
|
Item |
Index |
|
|
Solid content/% ≥ |
30 |
|
|
Viscosity/(mPa/s) ≤ |
1000 |
|
|
Drying time/h |
Surface drying time ≤ |
1 |
|
Practical drying time ≤ |
6 |
|
|
Flexibility |
No cracking in coating |
|
|
Bonding strength/MPa |
Dry base surface ≥ |
3.0 |
|
Wet base surface≥ |
2.5 |
|
|
Soaking treatment ≥ |
2.5 |
|
|
Heat treatment ≥ |
2.5 |
|
|
Coating impermeability pressure/MPa ≥ |
1.0 |
|
|
Frost resistance |
The coating has no cracking, peeling or peeling |
|
|
Resistant to chemical media |
Acid resistance |
The coating has no cracking, peeling or peeling |
|
Alkali resistance |
The coating has no cracking, peeling or peeling |
|
|
Salt tolerance |
The coating has no cracking, peeling or peeling |
|
|
Impact resistance (falling ball method)/(500g, 500mm) |
No cracking or peeling of coating |
|
|
Free formaldehyde/(mg/kg) ≤ |
5 |
|
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