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High water solubility with rapid dissolution in cold and warm water.
Excellent film-forming capability yielding transparent, flexible, and abrasion-resistant coatings.
Good adhesion to polar substrates including paper, wood, metal, and PET films.
Low residual acetaldehyde content, meeting stringent safety requirements for packaging and food-contact applications.
Controlled hydrolysis degree (~87–89 mol%) providing balanced water resistance and biodegradability.
Water-soluble packaging films for agrochemicals, detergents, and industrial concentrates.
Binder in water-based coatings and architectural paints for improved scrub resistance.
Reinforcing agent in paper sizing and surface coating formulations.
Thickener and stabilizer in textile printing pastes and pigment dispersions.
Matrix component in pharmaceutical tablet binders and controlled-release dosage forms.
| Chemical Type | Polyvinyl alcohol (partially hydrolyzed) |
| Product Form | White granular powder |
| Appearance | Free-flowing, odorless white granules |
| Hydrolysis Degree (mol%) | 87–89 |
| Viscosity (4% aqueous solution at 20°C) | 3.5–4.5 mPa·s |
| sPVA (Saponification Value) | 160–170 mg KOH/g |
| pH (1% aqueous solution) | 5.0–7.0 |
| Residual Acetate Content (wt%) | ≤12.0 |
Q1: What is the primary functional role of GOHSENOL PVA GL-03 in water-based formulations?
A: GOHSENOL PVA GL-03 serves primarily as a film-forming binder and rheology modifier in aqueous systems. Its partial hydrolysis degree and controlled molecular weight support good solubility, cohesive strength, and adhesion to polar substrates—making it especially suitable for coatings, adhesives, and temporary protective films.
Q2: How does GL-03 differ from other GOHSENOL PVA grades such as GH-23 or GP-20?
A: GL-03 is formulated with a lower degree of polymerization and moderate hydrolysis compared to higher-viscosity or fully hydrolyzed grades. This gives it faster dissolution kinetics, lower solution viscosity at equivalent concentrations, and improved compatibility with surfactants and co-binders—ideal for applications requiring rapid wetting and low-mixing-energy processing.
Q3: Is GOHSENOL PVA GL-03 suitable for use in food-contact applications?
A: GOHSENOL PVA GL-03 is manufactured under strict quality control and is widely used in food packaging adhesives and water-soluble films where regulatory compliance is required. Final suitability depends on the complete formulation and intended end-use conditions; users should conduct appropriate regulatory verification for their specific application and jurisdiction.
Q4: What are recommended handling and storage conditions to maintain product stability?
A: Store GL-03 in its original sealed packaging in a cool, dry place away from direct sunlight and sources of moisture or humidity. Prolonged exposure to high ambient humidity may lead to caking or reduced dissolution performance. Once dissolved, aqueous solutions should be used within a few days and protected from microbial contamination, especially at neutral pH and room temperature.
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