High Gloss Styrene Acrylic Emulsion For Water Based Overprint Varnish
High Gloss Styrene Acrylic Emulsion For Water Based Overprint Varnish For Paper
High Gloss Acrylic Emulsion For Water Based Flexographic Varnish And Ink For Polyethylene Bag
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. Since this product cannot form a film alone, so it must be used with a suitable film-forming aids or mixed with a film-forming acrylic emulsion with a smaller particle size, such as used with our film-forming varnish emulsion WQ-2027, WQ-2024, WQ-2018, WQ-2015, etc. In addition, in flexo and gravure inks, the product has good pigment wetting.
| Suggested formula for paper water-based overprint varnish | |||
| No. | Raw Materials | % | |
| ① | WQ-2090 (hard emulsion) | 55.50 | |
| ② | WQ-224 (soft emulsion) | 25.00 | |
| ③ | WQ-2021 (water resistance/ improve gloss) | 11.00 | |
| ④ | Deionized water | 3.00 | |
| ⑤ | Wax Disperion | 5.00 | WQ-W40 or local supplier |
| ⑥ | Defoamer | 0.50 | TEGO Foamex 825 |
| Total | 100.00 | ||
| The reference formula is for customer reference only, not as a standard. Lab test results do not represent customer’s actual usage, please properly adjust formula according to actual test. | |||
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
- Low cost
Application
- Water-based overcoat
- Water-based flexo, gravure varnish and ink
- Suitable for water-based plastic inks
- Suitable for all kinds of water-based varnishes and all kinds of high-grade water-based inks
Storage
The product should be stored in a closed container and avoid freezing and high temperature, Suggested normal storage temperature is 10 to 35℃.
Packing
200KG/Drum.
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