Generally, in the synthesis of hydroxypropyl methylcellulose, the refined cotton cellulose is treated with alkali solution at 35-40°C for half an hour, squeezed, the cellulose is crushed, and appropriately aged at 35°C, so that the resulting alkali fiber is averagely polymerized The degree is within the required range.
Read MorePutty powder is a building material for decorating houses. It is used as an adhesive to improve the spreadability and prolong the operating time. It is used as a paste for tile, marble, and plastic decoration, as a paste enhancer, and can also reduce the amount of cement.
Read MoreFast drying: This is mainly related to the amount of gray calcium powder added (too large, you can appropriately reduce the amount of gray calcium powder in the putty formula) and the water retention rate of the fiber, and it is also related to the dryness of the wall.
Read MoreMaterial definition:
Powdered thermoplastic resins made of polymer emulsion by spray drying and subsequent treatment
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