Polymer Vinyl Alcohol PVA Admixtures in Construction Mortar
Product Description
Polymer Vinyl Alcohol PVA Admixtures in Construction Mortar
POLYMER VINYL ALCOHOL [PVA] is made from polyvinyl acetate by alcoholsis reaction, a white water soluble polymer powder. PTMA - PVA is used in variety of fields for its excellent properties , such as water solubility, adhesion strength, mechanical strength, gas barrier and aging resistance.
Performance
PTMA- PVA improves the adhesive, emulsion, Dispersant and Film Forming to construction mortar.
Specification
| Model & Application | BP-2488 | BP-1788 |
| Appearance | White or light yellow color | |
| Density, g/l | 1.19 ～1.27 | 1.19～1.25 |
| Viscosity , mPa.s | 58～68 | 25～30 |
| Hydrolysis ，mole % | 98.5～99.2 | 98.5～99.2 |
| Volatile ， wt% | ＜5 | ＜5 |
| Ash content | ＜0.7 | ＜0.7 |
| Ph | 5～7 | 5～7 |
| Tensile stress, MPa | 82.7 ～100 | 70～90 |
| Fired Temperature, ℃ | 410 （Powder） | 410 （Powder） |
| Glass Transfer Temperature ,℃ | 75～85 | 75～85 |
Package & Storage
N.W.: 20±0.25kg / bag; Inner: PE plastic film bag, Outer: Paper bag; Shelf time: 12 months
Dosage
| Application | Dosage | Application | Dosage |
| Adhesive Mortar | 4-6 kg/ton | ETIFS | 4 kg/ton |
| Interface Mortar | 3-6 kg/ton | Skim Coat | 5-8 kg/ton |
| Premixed Dry Mortar | 1-3 kg/ton | Tile Adhesive | 3-6 kg/ton |