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Starch Ether


Starch Ether

Product Description                                                                      

Starch ether are starch based additives designed for dry mortars in building industry. These starch ether can improve the performance and optimize the work-ability of dry mortar by modifying the thickness and rheology of varied dry mortars based on cement and gypsum. Starch ether should be used in combination with cellulose derivatives. It can well perform in neutral and alkaline conditions, and it is compatible with other additives in gypsum or cement based building materials.

Technical Index


white powder, free-flowing

Solid content


Viscosity mPa.s(5%)




Hydroxypropyl content(%)


Application Range                                                                     

- Skim coat (Putty)

- Tile adhesive/ Tile joint filler


0.01~0.05% of mortar materials., we suggest test in lab before the final application for the best dosage.

Key Properties                                                     

- Improve sagging resistance/ anti-sagging properties

- Optimize work-ability  

Packaging and Storage                                                               

A. Standard Packing: In 25kg bags out HDPE bags inner with LDPE bags

B. Big Bag or other special packages are possible on request.


Store it in a cool, dry place below 30°C and protected against humidity and pressing, since the goods is thermoplastic, storage time should not exceed six months.

Safety Notes

The above data is in accordance with our knowledge, but don’t absolve the clients carefully checking it all immediately on receipt. To avoid the different formulation and different raw materials, please do more testing before using it. We reserve the right to alter our product and without informing in advance. 



Copyright © 2018 Hebei Derek Chemical Limited. All Rights Reserved.


   0086-311-68073226        0086-17731108068                    303 Heping East Road, Shijiazhuang City, Hebei Province, China