Introduction
WQ-277 is a room-temperature self-crosslinking styrene-acrylic copolymer emulsion designed for water-based overcoat varnishes and printing inks. It demonstrates excellent compatibility with widely used acrylic polymers. Furthermore, in flexographic and gravure inks, the product exhibits strong pigment wetting properties.
Physical Property
Appearance | Translucent milky emulsion |
Solid content (%) | 45±1 |
Viscosity at 25℃,cps(Brookfield, LVT No.4,60 RPM ) | 1800-2500 |
Acid value | 55 |
pH value | 8.0-9.0 |
Density(g/l) | 1.02-1.05 |
Particle size(μm) | 0.10-0.20 |
MFFT (℃) | >0 |
Tg(℃) | +21 |
Performance
◆ Low smell, low VOC
◆ Cost-effective self-crosslinking film-forming emulsion
◆ Good transparency and anti-blocking
◆ Good water resistance
◆ Excellent color development
Application
◆ Varnish and Ink for Flexo and Gravure
◆ Water-based UV primer
◆ High definition ink
Storage
The product should be stored in a closed container and avoid freezing and high temperature,
Suggested normal storage temperature is 10 to 35℃.
