Gypsum

Product Description

Plaster materials are divided into whitewashed plaster, bonding plaster, and caulking plaster. Gypsum products have various different features. In addition to gypsum and related fillers, the key issue is that the added cellulose ether additives play a leading role. 

Since gypsum is divided into hydrated gypsum, anhydrous gypsum and semi-hydrated gypsum, different gypsum has different effects on the performance of the product, so thickening, water retention, and retardation determine the quality of gypsum building materials. The common problem of these materials is hollowing and cracking, and the initial strength cannot be reached. To solve this problem, it is to choose the type of cellulose and the compound utilization method of retarder. In this regard, hydroxypropyl methyl 30000-60000cps is generally selected, and the addition amount is between 1.5%-2%. It is water retention, retardation and lubrication.

Hecocell® advantages

Hecocell® cellulose ethers provide gypsum-based mortars with key properties:

high water retention;

fast dissolution speed;

good adhesion;

easy pumping and good sag resistance;

easy to apply and press finishing.

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