Asahi Exhibition Building Chemical Material Co.,Ltd.
CONTACT US
Postcode: 050000
Factory Address: Clean Chemical Park, Xinji City, Hebei Province, China.
Office Address: Room 2-2-602, Phoenix City, No.452 Zhaiying Street, Yuhua District, Shijiazhuang City, Hebei Province.
Polyvinyl Alcohol Powder(PVA-2488)
- Product Description:
Polyvinyl alcohol (PVA) uses vinyl acetate (VAM) produced by natural gas method as raw material, methanol as solvent, and is made through polymerization, alcoholysis and other processes. It is a water-soluble and environmentally friendly polymer, non-toxic and pollution-free. It has good film-forming property, emulsifying property, bonding property and spinning property.
- Application:
Polyvinyl alcohol powder (PVA) is used in various dry powder putty, dry powder mortar, tile adhesive, plaster gypsum adhesive etc.
- Function:
--- It can effectively increase the adhesion and fluidity of cement and mortar, increase the opening time, increase the adaptability of coating work, and prevent the cracking of cement coating.
---Used in conjunction with HPMC can improve the flexibility, water retention and adhesion of cement mortar.
- Technical index
| Index Item | Standard Specifications |
| Average degree of polymerization (DP) | 2400-2500 |
| Molecular weight (Mn) | 118000-124000 |
| Viscosity (cps) | 44-50 |
| Alkalinity (mole%) | 86-89 |
| Volatile matter (wt%) | < 5 |
| Ash (wt%) | < 0.5 |
| PH | 5-7 |
| Fineness (mesh) | 120mesh |
Packaging and storage:
25kg/PE bag
Suitable to be stored in a cool, dry and ventilated place, protected from moisture and sun during transportation.