Berolan ST 902 is a special starch ether for construction products. It effects a pseudoplasticity and increases the consistency of the building material. A low adhesiveness to the tools allows a easy handling of the product. Water retention is controlled by combination with cellulose ether. Berolan ST 902 is dosed depending on the application in the range from 0,005 to 0,3%.
Spezification
Berolan ST 902 is a potato starch ether, soluble in cold water.
Appearance: white –yellowish powder
Odour: neutral
Loss of drying: max. 10,0 %
Ash: max. 10,0 %
pH value: approx. 8 (1%, 20°C)
Propox content: 19,0 – 24,0 in TM
Solubility: Soluble in cold and hot water
Viskosity: 300 – 500 mPas (5%; standard)
Storage
Under dry conditions (max. 70 % relative humidity) and protected against heat approx. ca. 24 month (Big-Bags) respectively 18 month (paper bags)
Packaging
In multi-layer paper bags with 25 kg
In big-bags
Customs tariff number
3505 1050
The information contained herein is based on the present state of our knowledge and does not guarantee certain properties. We recommend to test fitness for use by own experiments.
Berolan® ST 902 
