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PureSTAB™ - Z FLOW Zinc Stearate (ZS)

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PureSTABTM - Z FLOW (Zinc Stearate) (ZN (C18H35O2)2) is a zinc soap that repels water. It is insoluble in polar solvents such as alcohol and ether but soluble in aromatic hydrocarbons, e.g. benzene and chlorinated hydrocarbons when heated. It is the most powerful mold release agent among all metal soaps. It contains no electrolyte and has a hydrophobic effect. Its main application areas are the plastics and rubber industry where it is used as a releasing agent and lubricant which can be easily incorporated.

Typical Physical and Chemical Properties

Appearance Fine Powder
Colour White
Ash content 13 – 14%
Moisture Content 1 % Max
M.P. (0C) 120-125


The ash content and particle size are specially adjusted so as to suit polyolefins application.


  • Primarily used as a heat stabilizer and lubricant along with Calcium Stearate and other additives in PVC formulation.

  • Widely used in soft PVC formulation as non-toxic stabilizer.

  • Also used in master batches for Polypropylene and other plastics, cosmetics, pharmaceuticals and paints.

Recommendation Usage Level

0.5 – 1 phr of PVC Resin.

Self Life

This product is used has long, when stored under the right conditions.


This product is packaged in 25Kgs. PP Woven Sack Bag with Linner.


Store in a cool and dry place, once opened, the bag should be tightly close after use.

No warranty, expressed or implied, or merchantability, fitness for a particular purpose or otherwise is made, except that the products herein discussed comply with the chemical description on the labels. Buyer assumes risks of the use, storage and handling. Hummel shall not be liable for any incidental or consequential damages arising directly or indirectly in connection with the purchase, use, storage or handling of this product. The information contained herein is, to the best of our knowledge, true and accurate. However, all recommendation or suggestions are made without guarantee, since the conditions of use are beyond our control. We disclaim any liability incurred in connection with the use of these data or suggestions. This information is not to be taken as a license to operate under, or a recommendation to infringe any patent (s).

Maa Durga Polychem Pvt. Ltd.

B-185, DSIIDC Industrial Area Sec-3, Bawana, Delhi-110039