Product Summary

PVA 1788 is a partially hydrolyzed polyvinyl alcohol with medium viscosity, specifically recommended for construction applications like wall putty and mortar. It enhances adhesion, water retention, and crack resistance. Available with customizable mesh size to match automatic feeding lines.

Key Selling Points

• Customizable Mesh Size (80-200 mesh): Ensures smooth dissolution and compatibility with automatic feeders.
• Excellent Adhesion: Improves bonding strength in putty and mortar, reducing delamination.
• Water Retention: Prevents premature drying, enhancing workability.
• Crack Resistance: Reduces cracking in finished surfaces.
• Low Ash Formula: Minimizes efflorescence and maintains consistent quality.

Technical Specifications

Models and Options

Available in various mesh sizes from 80 to 200 mesh. Other PVA grades such as 2488 and 2688 are also available.

Materials and Structure

PVA is manufactured by alcoholysis of polyvinyl acetate (PVAc). It is a water-soluble polymer in white powder/flake form with excellent film-forming property and strong adhesion.

Applications

Interior wall putty, repair mortar, and construction adhesive production. Compatible with calcium carbonate, talc, and cellulose ether.

Customization

Mesh size adjustable from 80-200 mesh. Provide Brazil-adapted putty formulas and remote technical guidance.

Case Study

Brazil Construction Chemicals Distributor: Purchases PVA 1788/2488 series (1120 tons annually). Uniform mesh size ensures fast dissolution without agglomeration. The product enhances adhesion, water resistance, and crack resistance, reducing product return rate by over 60%.

FAQ

Inquiry Information

Contact Kelvin at kelvin@xmhwchem.com or WhatsApp +86 158-8028-4585 for more details.

Image Filename and Alt Suggestions

Main Image: pva-1788-powder-sample.png – Alt: PVA 1788 powder in clear bag

Detail Image 1: pva-1788-putty-app.jpg – Alt: PVA 1788 in wall putty application