Product Description
Polyvinyl alcohol (PVA) resin is a heavy polymer characterized by its white or slightly yellow appearance, available in floccules, flakes, granules, or powder form.
Key Characteristics
- Non-toxic, insipid, and non-polluting.
- Water-soluble resin with excellent chemical stability.
- Superior adhesion and film-forming ability.
- High resistance to oil, abrasion, and gas barrier properties.
- Enables esterification, etherification, and acetalization reactions.
Application Scope
| Type |
Main Application |
| 24-88P |
Cement mortar, putty additives, re-wetting adhesive, PVC/PS suspension granulating agents, thickeners, fluorescent screen sensitive adhesive. |
| 17-88P |
Cement mortar, putty additives, PVAC emulsion, re-wetting adhesive, cosmetics, halftone photographic film. |
| 05-88P |
Cement mortar, putty additives, filament yarn sizing agents, PVAC latex, coated paper coating agents, zinc plate printing photographic film. |
Storage & Transportation
Storage: Products should be stored indoors at a temperature range of 5-30ºC in a dry and well-ventilated location. Store by batches and keep away from heat sources, moisture, and direct sun exposure. Avoid storing near volatile chemicals to prevent deterioration via adsorption.
Transportation: Use clean vehicles and protect against moisture, rain, and sun. Handle with care during loading and unloading to prevent packaging damage. Co-storage with volatile chemicals is strictly forbidden.
Frequently Asked Questions (FAQ)
Q1: What is the main use of PVA in the construction industry?
PVA is widely used as an additive in cement mortar and putty to improve adhesion, flexibility, and water retention.
Q2: Is Polyvinyl Alcohol environmentally friendly?
Yes, PVA is non-toxic, insipid, and non-polluting, making it a safe choice for various industrial and cosmetic applications.
Q3: What are the differences between 05-88P and 24-88P?
The main differences lie in their viscosity and molecular weight; 24-88P has higher viscosity (44-50 Cps) compared to 05-88P (5-6 Cps), making them suitable for different industrial requirements.
Q4: How should PVA resin be stored to maintain quality?
It should be kept in a dry, ventilated area at 5-30°C, away from direct sunlight and volatile chemicals.
Q5: Is PVA soluble in water?
Yes, PVA is a water-soluble resin. Its solubility limits vary by type, generally ranging from 10% to 30%.
Q6: What is the standard packaging for DRK-PVA?
The standard packaging is 20kg or 25kg per bag, using kraft paper with a protective plastic film inside.
Nordi Medical
