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HPS
PTMA
3505100000
Hydroxypropyl Starch Ethers HPS for Bond Mortar Admixtures
HYDROXYPROPYL STARCH [HPS] is made from natural corn starch, a white and water soluble fine powder, by the process of modifying, etherification reaction, spraying and drying, different from the common starch or modified starch.
Performance
PTMA TECH-HPS (Construction Grade) can improve the performance of dry mortar based on cement and gypsum, such as the workability, slip resistance and thickening.
Mixing Process
Compatible with other additives in gypsum or cement based building materials, e.g. redispersible polymer ,HPMC, etc. Same mixed with HPMC.
Specification
| Appearance | White or yellowish powder |
| Solubility | Soluble in cold water |
| Moisture Content | ≤ 5% |
| Ph (1% water solution, at 25℃) | 8-11.5 |
| Viscosity, mPa.s（ 5% water solution） | 400~1800 |
| Particle Size, mesh | 100mesh, ＞99% |
| Bulk Density, kg/m3 | 400-500 |
Dosage
①cement or gypsum based interior / exterior wall skim coat ② adhesive for tile or stocks ③ finishing mortar, plaster mortar, ETIFS. The dosage of HPS is about 1-2 kg/ton, based on the original formula, reduce the HPMC dosage about 1-2 kg/ton（save cost about 10%-20%）.
Package
N.W.: 25±0.25kg / bag; Inner: PE plastic film bag, Outer: PP woven bag;
Application
| Application | Performance |
| Interior/ Exterior Wall Skim Coat (Wall Putty, Lacquer Putty) | Thixotropy |
| Adhesive Mortar | Good Fluidity, Viscosity Stability |
| Gypsum Plaster | Rheology |
| Joint Filler | Sag Resistance, Viscosity Stability |
| ETIFS | Viscosity Stability |
Hydroxypropyl Starch Ethers HPS for Bond Mortar Admixtures
HYDROXYPROPYL STARCH [HPS] is made from natural corn starch, a white and water soluble fine powder, by the process of modifying, etherification reaction, spraying and drying, different from the common starch or modified starch.
Performance
PTMA TECH-HPS (Construction Grade) can improve the performance of dry mortar based on cement and gypsum, such as the workability, slip resistance and thickening.
Mixing Process
Compatible with other additives in gypsum or cement based building materials, e.g. redispersible polymer ,HPMC, etc. Same mixed with HPMC.
Specification
| Appearance | White or yellowish powder |
| Solubility | Soluble in cold water |
| Moisture Content | ≤ 5% |
| Ph (1% water solution, at 25℃) | 8-11.5 |
| Viscosity, mPa.s（ 5% water solution） | 400~1800 |
| Particle Size, mesh | 100mesh, ＞99% |
| Bulk Density, kg/m3 | 400-500 |
Dosage
①cement or gypsum based interior / exterior wall skim coat ② adhesive for tile or stocks ③ finishing mortar, plaster mortar, ETIFS. The dosage of HPS is about 1-2 kg/ton, based on the original formula, reduce the HPMC dosage about 1-2 kg/ton（save cost about 10%-20%）.
Package
N.W.: 25±0.25kg / bag; Inner: PE plastic film bag, Outer: PP woven bag;
Application
| Application | Performance |
| Interior/ Exterior Wall Skim Coat (Wall Putty, Lacquer Putty) | Thixotropy |
| Adhesive Mortar | Good Fluidity, Viscosity Stability |
| Gypsum Plaster | Rheology |
| Joint Filler | Sag Resistance, Viscosity Stability |
| ETIFS | Viscosity Stability |
