Allnex MACRYNAL SM 666/50BACX is a premium solvent-borne hydroxyl acrylic resin under the MACRYNAL series, designed for fast-drying 2K PU coating systems. It cross-links efficiently with polyisocyanates, ideal for formulating high-quality PU primers, furniture paints and industrial coatings. Featuring excellent substrate adhesion and application adaptability with VOC < 420g/L
Fast drying & high efficiency - Excellent drying speed shortens construction cycle, improving mass production efficiency
Stable cross-linking - Sufficient cross-linking with polyisocyanates forms dense coating with superior protection
Wide system compatibility - Suitable for various solvent-borne formulations, good compatibility with pigments and additives
Strong adhesion - Excellent adhesion to metal, wood and other substrates, ensuring long-term coating stability
Industrial metal PU primer: Protection for steel and aluminum substrates, providing stable base for topcoat
High-end furniture decorative topcoat: Coating for solid wood and metal furniture, balancing beauty and scratch resistance
General industrial equipment coating: Metal enclosures of motors and pumps, suitable for complex working conditions
Hardware accessories protective paint: Door and window hardware, mechanical parts, improving corrosion resistance
| Appearance | Pale yellow transparent liquid |
| Solid Content | 50 ± 2 % (by weight) |
| Hydroxyl Content (on solids) | 3.7 ± 0.3 % |
| Solvent System | BAC mixed solvent |
| Viscosity (23℃) | 500 - 800 mPa·s |
| Acid Value (on solids) | ≤ 3.0 mg KOH/g |
| Density (23℃) | 0.96 ± 0.02 kg/L |
| Flash Point (Setaflash) | 31 ℃ |
| Glass Transition Temperature (Tg) | 28 ± 5 ℃ |
| Drying Time (Tack-Free, 23℃, 50% RH) | ≤ 8 min |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China