Starch Ether

WOTAI starch ether has been applied to a variety of building materials such as tile adhesives, cement/gypsum mortars and various putty powders such as cement, gypsum and ash calcium-based putty powders.

Starch ether key properties

WOTAI starch ether is an excellent thickener and water-retaining agent. Only a small amount can effectively improve the slide resistance, improve workability, and extend the opening time of the material.

  • Rapid thickening ability
  • Modem viscosity and high water retention
  • Little usage amount
  • Sag resistance during coating
  • It can be used together with HPMC to reduce the amount of cellulose ether
  • Lubricating ability improve the workability to ensure more smooth operation and better performance

WOTAI hydroxypropyl starch ether

Starch ether is also called hydroxypropyl starch ether or HPS. It is produced by chemical and physical reactions using starch as raw material. A non-toxic, odourless white or beige powder dissolves in cold water to form a transparent or translucent viscous liquid. It is a kind of chemically modified starch, mainly used in cement or gypsum-based mortars as a thickener and texturing agent. HPS is mainly used in construction projects. It is a cost-saving material that quickly obtains the desired thickening effect.
WOTAI chemical is a professional HPS supplier in china. Our HPS is a spray-dried white fine powder made from natural plants that have been modified and highly etherified. It has good water solubility, and its aqueous solution is transparent and colourless. WOTAI’s HPS powder is very stable under both acidic and alkaline conditions. Its gelatinization temperature is lower than that of ordinary starch and has higher viscosity stability when the temperature changes. In addition, etherified starch can achieve better freeze-thaw stability and transparency.
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WOTAI starch ether uses

WOTAI HPS applies to various building materials such as tile adhesives, cement/gypsum mortars and putty powders such as cement, gypsum and ash calcium-based putty powders. Our HPS product is an excellent thickener and water-retaining agent. A small dose can effectively improve slip resistance and workability and extend the opening time of the material.

The water retention capacity of HPS can remain stable with the temperature increase. Enhance mortar’s overall performance.

HPS has a fast thickening effect on mortars. It can improve the rheological property of spraying mortar and plastering mortar.

Starch ether has a unique chemical structure. It can effectively prevent the thick mortar layer of flow hanging phenomenon.

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Use of hydroxypropyl starch ether in concrete

Hydroxypropyl Starch ethers can bring unique properties to cement and gypsum-based products. It has a similar chemical structure to HPMC. On top of that, it has good compatibility with other building additives. When HPS combined with HPMC, showing better thickening effects, crack resistance and good workability. Adding starch ethers can dramatically reduce the usage of mortar formulations.

Research & Development

WOTAI has a team of knowledgeable experts who are full of experience in HPS formula research and development. We are constantly adapting our existing formulations to be the leading place in the industry. We guarantee that the WOTAI quality will always be the same. 

Starch Ether Packaging and Sizes

25kg Bag

Also available in 500kg/pallet, and customized volumes upon your request.

You may hit the below button to start a chat session or schedule a call, we’re always at your service.

500kg Pallet

Also available in 25kg/bag, and customized volumes upon your request.

You may hit the below button to start a chat session or schedule a call, we’re always at your service.

Customized Volumes

Also available in 25kg/bag and 500kg/pallet.

You may hit the below button to start a chat session or schedule a call, we’re always at your service.

Instant free samples are available!

WOTAI is your trusted and reliable HPS supplier in China. If you wish to find out more, hit the button below to connect with us, and we will answer all your inquiries.

  • “Good customer service, and efficient communication! I was given a lot of help and tech support throughout the whole process.“

    Michelle
  • “Steven was the one who helped me, he is very knowledgeable and helpful. Answered all my questions, I believed that he offered me a really good product at a reasonable price. “

    Mr. Davidson
  • “Everyone that I spoke to was very friendly and helpful, they are very patient to help me find out my answers.”

    Charmiane

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FAQ

Have any questions for us? We have answers, most of the time.

What is hydroxypropyl starch ether?

Hydroxypropyl starch ether is a cost-saving material and easy to obtain the desired thickening. In wet mortars, it has non-sagging, non-slip properties, good workability and low viscosity.

What is HPS advantage?

HPS can effectively prevent the stratification and settlement of mortar. It has a fast thickening effect on mortars. It can improve the rheological property of spraying mortar and plastering mortar.

What document do you provide?

We provide packing invoices, commercial invoices, order confirmation/receipts.

Why is HPS used in construction?

Because of the unique chemical structure of starch ether, it can effectively prevent the thick mortar layer of flow hanging phenomenon. The tile sliding, a thick layer of flow hanging phenomenon, has a good effect on the improvement. Adding a certain amount of hydroxypropyl starch ether to the mortar can delay its opening time. The water retention of starch ether can remain stable with the temperature increase. Therefore, the product can improve the water retention performance of mortar and make up for the rapid loss of water retention capacity of ordinary water retention agents with the increase in temperature.

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