Covestro NeoCryl B-890 is a modified methyl methacrylate/n-butyl methacrylate copolymer solid bead acrylic resin, designed for inks, coatings, adhesives and other industrial fields. It is white to slightly yellow with mild odor, insoluble in cold and hot water, soluble in pH>7 water, esters, ketones and other solvents
Safe, environmentally friendly: Flash point higher than 100°C, vapor density lower than air, low risk during storage and transportation.
Good acid - base adaptability: Neutral pH value, little corrosion to equipment during use, suitable for various formula systems.
Controllable fluidity: Dynamic viscosity 30-130mPa·s, meeting different construction and production process requirements.
Flexible solubility: Partially soluble in both cold and hot water, suitable for the preparation of various solvent systems.
Architectural coatings: Used for interior and exterior wall coatings to improve coating alkali resistance and color retention.
Printing inks: Suitable for paper, plastic film and other substrates to enhance ink stability and adhesion.
Water - based adhesives: Applied in packaging, building materials and other fields to ensure bonding strength and safety.
Metal protective coatings: Improve the corrosion resistance and durability of metal substrate coatings.
| Appearance | White liquid |
| Odor | Slight ammonia odor |
| Ammonia Content | >10% |
| CAS No. | 1336-21-6 |
| pH Value | 7-8 |
| Boiling Point (℃) | 100 |
| Flash Point (℃) | >100 |
| Vapor Density (air=1) | <1 |
| Relative Density (g/cm³) | 1.03 |
| Dynamic Viscosity (mPa·s) | 30-130 |
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