Allnex MACRYNAL VSM 2521w/42WAB from Allnex's MACRYNAL series is a hydroxyl - functional waterborne acrylic resin in WB Acrylics group, designed for high - quality transparent/colored topcoats in industrial metal, vehicle refinish in Americas, Greater China & EMEA
Waterborne & eco - friendly - Waterborne system with VOC much lower than solvent - borne ones, meeting multi - regional environmental standards, reducing emissions, suitable for green production, lowering construction health risks.
Stable cross - linking - Sufficient cross - linking with polyisocyanates, stable film formation in air - drying/baking, excellent coating hardness and chemical resistance, ensuring long - term protection and decoration.
Thin - film efficient film - forming - Suitable for thin - film coating, uniform and dense film, reducing coating consumption, improving construction efficiency, lowering material costs.
High - end industrial metal topcoat: Aluminum profiles, stainless - steel equipment, waterborne and eco - friendly, corrosion - resistant and wear - resistant coating, maintaining metallic texture, suitable for outdoor and workshop environments.
Automotive and commercial vehicle refinish: Body, bumpers, applicable for air - drying/baking, fast film formation, good hardness and chemical resistance, suitable for quick repair in 4S stores and repair shops.
Marine engineering protective topcoat: Offshore platforms, ship parts, salt spray and damp - heat resistant, waterborne system reducing environmental pressure in marine construction, ensuring long - term protection.
| Appearance | Milky white translucent liquid |
| Solid Content | 42 ± 2 % (by weight) |
| Hydroxyl Content (on solids) | 3.8 ± 0.3 % |
| Solvent System | WAB (waterborne mixed solvent) |
| Viscosity (23℃) | 200 - 400 mPa·s |
| Acid Value (on solids) | ≤ 3.0 mg KOH/g |
| Density (23℃) | 1.05 ± 0.02 kg/L |
| pH Value | 7.5 - 8.5 |
| Glass Transition Temperature (Tg) | 35 ± 5 ℃ |
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E-mail: wangxingqiang@ericwchem.com
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