Chemical White Powder Additive Building Material Agent PVA Polyvinyl Alcohol 1788 1799 2488 2688 0588 088-20 Flake PVA
Chemical White Powder Additive Building Material Agent PVA Polyvinyl Alcohol 1788 1799 2488 2688 0588 088-20 Flake PVA
- **Low degree of polymerization PVA**: used in cosmetics and pharmaceutical sustained-release agents.
- **Medium degree of polymerization PVA**: commonly used in adhesives and coatings.
- **High degree of polymerization PVA**: used to make high-strength fibers (such as vinylon) and engineering plastics
Application fields of PVA**
| **Field** | **Specific applications** |
|----------------|-----------------------------------------------------------------------------|
| **Textile industry** | Yarn slurry, fiber (vinylon), fabric finishing agent. |
| **Paper industry** | Surface sizing agent, enhancing paper strength. |
| **Adhesive** | Wood glue, packaging glue (environmentally friendly alternative). |
| **Construction** | Cement additive (improves flexibility), tile adhesive. |
| **Film materials** | Water-soluble packaging film (pesticide bags, laundry beads), biodegradable film. |
| **Medicine** | Artificial tears, drug sustained-release carriers, medical sponges. |
| **Food** | Edible film, food packaging (blended with starch). |
| **3D printing** | As support material (water-soluble support). |
| **Environmental protection** | Wastewater treatment (flocculant), degradable plastic substitute
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