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Hydroxypropyl Starch Ethers HPS for Bond Mortar Admixtures

Hydroxypropyl Starch Ethers HPS for Bond Mortar Admixtures
HPS (Construction Grade) can improve the performance of dry mortar based on cement and gypsum, such as the workability, slip resistance and thickening.
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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

AppearanceWhite or yellowish powder
SolubilitySoluble 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, mesh100mesh, >99%
Bulk Density, kg/m3400-500


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

ApplicationPerformance
Interior/ Exterior Wall Skim Coat (Wall Putty, Lacquer Putty)Thixotropy
Adhesive MortarGood Fluidity, Viscosity Stability
Gypsum PlasterRheology
Joint FillerSag Resistance, Viscosity Stability
ETIFSViscosity Stability


PTMA TECH is a provider of construction admixture for mortar, coatings & paints and concrete, which has three plants with R&D……
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