Inspect the official laboratory analysis report for this batch.
Brobond Redispersible Polymer Powder (RDP) is an organic polymer powder produced through spray-drying of water-based vinyl acetate-ethylene (VAE) copolymer emulsions. When mixed with water, it re-disperses into an emulsion with properties equivalent to the original polymer. It substantially improves adhesion strength, tensile flexibility, impact resistance, abrasion resistance, and reduces water absorption in cementitious and gypsum formulations.
Data transcribing batch analytical findings based on international ASTM / DIN / GB chemical testing protocols.
| Test Parameter / Item | Standard Indicator / Criterion | Laboratory Result |
|---|---|---|
| Physical Appearance | White powder, free flowing | Conforms |
| Residual Moisture | ≤ 1.5 % | 0.85 % |
| Ash Content (at 1000°C) | 12% ± 2% | 12.0 % |
| pH Value (1:1 with water) | 5.0 - 7.0 | 6.5 |
| Bulk Density | 450 - 550 g/L | 515 g/L |
| Glass Transition Temp (Tg) | 10°C ± 2°C | 10°C |
| Minimum Film Forming Temp (MFFT) | 3°C - 5°C | 3°C |
Store in original packaging in a cool, dry, and ventilated warehouse below 30°C. Protect against moisture, humidity, and direct sunlight. Re-seal partly opened bags immediately.
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