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High transparency and excellent gloss retention after curing.
Outstanding UV resistance and long-term color stability under outdoor exposure.
Good compatibility with common solvent-based coating systems and crosslinkers.
Low VOC formulation suitable for environmentally compliant industrial coatings.
Consistent batch-to-batch performance with narrow molecular weight distribution.
Automotive OEM and refinish clearcoats.
Industrial maintenance coatings for metal and plastic substrates.
High-performance architectural coatings for façades and cladding.
UV-curable and thermoset topcoats in electronics and appliance finishing.
| Chemical Type | Solvent-based acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow to colorless liquid |
| Solvent System | Aromatic-free (ethyl acetate / butyl acetate blend) |
| Solids Content (wt%) | 50 ± 2% |
| Acid Value (mg KOH/g) | 8–12 |
| Viscosity (25°C, mPa·s) | 4,000–6,000 (Brookfield LV, spindle #3, 6 rpm) |
| Weight-Average Molecular Weight (Mw) | ~80,000–100,000 Da |
Q1: What is the primary function of Suqing 313 Acrylic Resin in coating formulations?
A: Suqing 313 Acrylic Resin functions primarily as a film-forming binder and rheology modifier, enhancing gloss, hardness, and scrub resistance while supporting good pigment dispersion and substrate adhesion in waterborne architectural and industrial coatings.
Q2: Is Suqing 313 compatible with common co-binders and additives used in water-based systems?
A: Yes, Suqing 313 exhibits broad compatibility with typical waterborne co-binders such as vinyl acetate copolymers and styrene-acrylic emulsions, as well as standard surfactants, defoamers, and biocides—provided pH and ionic strength remain within conventional formulation limits.
Q3: How should Suqing 313 be incorporated into a formulation to ensure optimal performance?
A: It is recommended to add Suqing 313 during the let-down stage under moderate agitation, after initial dispersion of pigments and fillers. Premixing with a portion of the water phase or using gradual addition helps prevent localized viscosity spikes and ensures uniform integration.
Q4: Does Suqing 313 require special storage or handling conditions?
A: Store in tightly sealed containers at temperatures between 5 °C and 30 °C, away from freezing and direct sunlight. Prolonged exposure to sub-zero temperatures may cause irreversible coagulation, and extended high-temperature storage may accelerate viscosity drift.
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E-mail: wangxingqiang@ericwchem.com
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