HydroxyEthy Cellulose (HEC for short) is a non-ionic soluble cellulose ether, both soluble in cold and hot water, with thickening, suspension, adhesion, emulsification, film-formation, water retention, protective colloids and other properties, widely used in coatings, cosmetics, oil drilling and other industries.
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Dissolve Hydroxyethy Cellulose in water
Retarded Hydroxyethy Cellulose can be directly added into paint formulation, will form homogeneous, glazed solution. Period from powder wetted till dissolution completed call hydration time. During this process, solution build up thickening ability.
Temperature and PH has effect on hydration time. Increase PH to 8.0-10.0, will shorten the time 40-60%; temperature increase will shorten this time as well.
Normally, we suggest to add Hydroxyethy Cellulose at room temperature and neutural situation, hydration time is around 25 minutes.
Application Guide for Paint Industry
High Thickening Effects
1. Use in wall putty / skim coat
In wall putty powder, HPMC plays three roles of thickening, water retention and workability.
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2. Tile adhesive hydroxypropyl methyl cellulose hpmc: cellulose HPMC improves the plasticity and water retention of pressed tile mortar, improves the bonding force of tiles, and prevents chalking.
3. Coating of refractory materials such as asbestos Hydroxypropyl methyl cellulose hpmc: Cellulose HPMC is used as a suspending agent, a fluidity improver, and also improves the bonding force to the substrate.
4. Gypsum coagulation slurry Hydroxypropyl methyl cellulose hpmc: cellulose HPMC improves water retention and processability, and improves the adhesive force to the substrate.
5. Joint cement Hydroxypropyl methyl cellulose hpmc: Cellulose HPMC is added to joint cement for gypsum board to improve fluidity and water retention.
6. Latex putty Hydroxypropyl methylcellulose hpmc: cellulose HPMC improves the fluidity and water retention of putty based on resin latex.
7. Stucco Hydroxypropyl methylcellulose hpmc: Cellulose HPMC is used as a paste to replace natural materials, which can improve water retention and improve the bonding force with the substrate.
8. Coating Hydroxypropyl methyl cellulose hpmc: As a plasticizer for latex coatings, cellulose HPMC plays a role in improving the performance and fluidity of coatings and putty powders.
9. Spray coating hydroxypropyl methyl cellulose hpmc: cellulose HPMC has a good effect on preventing the sinking of cement-based or latex-based spraying materials and fillers and improving fluidity and spray pattern.
10. Secondary products of cement and gypsum: Cellulose is used as a binder for extrusion molding of hydraulic substances such as cement-asbestos. Cellulose can improve fluidity and obtain uniform molded products.
11. Fiber wall: cellulose is effective as a binder for sand walls due to its anti-enzyme and anti-bacterial effects.
12. Cement mortar hydroxypropyl methyl cellulose hpmc: cellulose HPMC improves the dispersibility of cement-sand, greatly improves the plasticity and water retention of mortar, is effective in preventing cracks, and can enhance the strength of cement.
13. Others: hydroxypropyl methyl cellulose hpmc: cellulose HPMC can be used as air bubble protection for thin mortar and plasterer
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