Polyvinyl Alcohol Ceramic Binder
CAS Number: 9002-89-5
Polyvinyl alcohol (PVA) is a water-soluble synthetic polymer widely used as a temporary binder in ceramic powder pressing and extrusion. It provides excellent green strength, uniform dispersion, and clean burnout at low temperatures, leaving minimal residue in sintered parts. Ideal for technical ceramics, tiles, and advanced ceramic components.
Technical Specifications
| appearance | White or slightly yellow powder or granules |
| purity (%) | ≥98 |
| moisture (%) | ≤5 |
| hydrolysis degree (mol%) | 87–99 |
| viscosity (4% aq, mPa·s) | 4–65 (various grades) |
Applications
- Dry pressing binder for alumina and zirconia ceramics
- Extrusion aid for ceramic tubes and profiles
- Spray-drying granulation binder
- Tape casting binder for multilayer ceramics
- Ceramic coating and glaze adhesive
Key Features
- Excellent green strength and shape retention after pressing
- Clean thermal decomposition below 500 °C with minimal ash
- Water-soluble and easy to prepare as aqueous binder solutions
- Multiple viscosity grades available for different forming processes
Send Inquiry
CAS Number
9002-89-5
Category
Ceramic / Glass AdditivesAvailability
In StockSample
Dispatched within 5 days
More in Ceramic / Glass Additives
Acrylic Ceramic Binder (PAA)
9003-01-4
Alumina Fiber Ceramic Composite Reinforcement
1344-28-1
Ammonium Polyacrylate Ceramic Deflocculant
9003-04-7
Ammonium Polymethacrylate Ceramic Deflocculant (Darvan Type)
Barium Carbonate for BaTiO3 Ceramics
513-77-9
Bismuth Oxide Ceramic Flux and Dopant
1304-76-3
Borosilicate Glass Frit for Ceramics
65997-17-3
Calcined Kaolin (Metakaolin) Ceramic Filler
1332-58-7