Hydroxypropyl Starch

Hydroxypropyl Starch

STARGEL® is a kind of nonionic starch ether that is produced from special chemical treatment to starch. It’s a kind of thickener for mineral binders based on gypsum, cement or cement-lime.

Starch ether is one of the most aboundent natural polymers, and is composed of amylose and amylopectin. Amylopectin molecules are much larger than amylose. Starch ethers are chemically modified from starch.

Starch ethers offer a wide range of different and unique product properties specifically designed for the drymix mortar industry:

  • Tile adhesive
  • joint compounds
  • plaster and render
  • gypsum plasterboards
  • concrete technology
  • dispersion systems
  • wallpaper glue
  • insulation board adhesives
Starch Ethers are very efficient prpduct.
  • Reduce sagging by more than 1000 %
  • Increase open time by 50 %
  • Increase setting time by approx. 60 % or decrease setting time
  • Provide the same workability as cellulose ethers at high quality (creaminess, applying and Spreading of mortar, stickiness at working tool)
  • Increase the yield of the final formulation by up to 8 %. Higher water ratio means higher volume Yield at the construction site and is thus lowering the effective price of the drymix.
  • Reduce thickener costs by 14 %
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