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
Wide system compatibility: Compatible with NC, CAP, PVB, PU resins, etc., suitable for various formula systems.
Adaptive solubility: Soluble in specific solvents, meeting the dissolution requirements of different processes.
Excellent processing performance: Solid bead form, easy to store and transport, convenient for processing and adding.
Significant performance improvement: Improve coating gloss and hardness, enhance chemical resistance and adhesion.
Packaging surface printing and laminating inks: Suitable for various packaging films such as PE and OPP, improving grease resistance and adhesion.
Plastic coatings: Used for PVC, PS, ABS and other plastic substrates, enhancing coating alcohol resistance and weather resistance.
Screen printing inks: Suitable for screen printing process, ensuring printing clarity and stability.
Composite adhesives: Used for packaging lamination, improving bonding strength and durability.
Metal protective coatings: Enhancing metal coating hardness and chemical corrosion resistance.
| Appearance | White to slightly yellow solid beads |
| Odor | Mild |
| Chemical Composition | Methyl methacrylate/n-butyl methacrylate copolymer |
| Glass Transition Temperature Tg (℃) | 85 |
| Molecular Weight Mw (g/mol) | 12500 |
| Acid Value (mg KOH/g) | 25 |
| Viscosity Value (cm³/g) | 75 |
| Dynamic Viscosity (mPa·s) | 200 |
| Solid Content (%) | 100 |
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