Introduction
WQ-2090 is a hard non-film-forming styrene-acrylic copolymer emulsion specially formulated
for water-based overcoat varnishes and printing inks. The varnish formulated with this product
has fast drying speed and high gloss, excellent water resistance and anti-stick back
performance, and it has good compatibility with popular acrylic polymers on the market.
Physical Property
| Appearance | Translucent milky emulsion |
| Solid content (%) | 45±1 |
| Viscosity at 25℃,cps(Brookfield, LVT No.4,60 RPM ) | 1000-2000 |
| Acid value | 65 |
| pH value | 8.0-9.0 |
| Density(g/l) | 1.02-1.05 |
| Particle size(μm) | 0.20-0.30 |
| MFFT (℃) | >90 |
| Tg(℃) | +110 |
Performance
◆ High gloss, when properly formulated, it can produce very high gloss and excellent clarity
◆ Excellent wetting of pigments
◆ Very good drying speed
◆ Very good water and stick resistance, retains original gloss when wet surface dries
◆ Excellent brush and abrasion resistance
◆ Low odor
Application
◆ Water-based overprint varnish
◆ Water-based flexo, gravure ink
◆ Suitable for water-based plastic inks
◆ Suitable for all kinds of water-based varnishes and all kinds of high-grade water-based inks
