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100% Original Tegular Ceiling Grid - Hydroxypropyl Methylcellulose HPMC – Beihua

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100% Original Tegular Ceiling Grid - Hydroxypropyl Methylcellulose HPMC – Beihua Detail:

In building materials, it is used as a water-retaining agent and retarder for cement sludge with pumpability. It can be used as a binder in plaster, gypsum, inverted powder or other building materials to improve spreadability and prolong operation time. It can be used as an agent for sticking bricks, tiles, marbles, plastic decorations, and bonding intensifiers. It can also reduce the amount of cement. The water retention of HPMC prevents the slurry from cracking due to drying too fast after coating, and enhances the strength after hardening.

In addition, it is used as thickener, stability, emulsifier, excipient, water retention in the production of other petrochemicals, coatings, building materials, paint removers, agricultural chemicals, inks, textile printing and dyeing, ceramics, papermaking, and cosmetic brands. Agent, film-forming agent, etc.

1. Appearance: white or almost white powder, odorless and tasteless.

2. Granularity: 10 mesh pass rate is greater than 98.5%; 80 mesh pass rate is greater than 100%.

3. Carbonization temperature: 280-300℃.

4. Room density: 0.25-0.7G/CM3 (usually about 0.5G/CM3), the specific gravity is 1.26-1.31.

5. Discoloration temperature: 190-200℃.

6. Natural temperature: about 360℃.

 

Production Method

The refined cotton cellulose is treated with lye at 35-40°C for half an hour, squeezed, the cellulose is crushed, and properly aged at 35°C, so that the obtained alkali fiber average degree of polymerization is within the required range. Put the alkali fiber into the etherification kettle, add propylene oxide and methyl chloride successively, and etherify at 50-80℃ for 5h, the maximum pressure is about 1.8MPa. Then add proper amount of hydrochloric acid and oxalic acid to wash materials in hot water at 90°C to increase the volume. Dehydrate with a centrifuge. Wash to neutral. When the water content in the material is less than 60%, dry it with a stream of hot air at 130℃ to less than 5%. Finally, it is crushed through a 20-mesh sieve to obtain the finished product.

 


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We have been convinced that with joint attempts, the business enterprise between us will bring us mutual benefits. We could guarantee you product or service good quality and aggressive value for 100% Original Tegular Ceiling Grid - Hydroxypropyl Methylcellulose HPMC – Beihua , The product will supply to all over the world, such as: St. Petersburg, Libya, Norwegian, Our company is an international supplier on this kind of merchandise. We offer an amazing selection of high-quality products. Our goal is to delight you with our distinctive collection of mindful products while providing value and excellent service. Our mission is simple: To provide the best products and service to our customers at the lowest prices possible.
  • In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Delia Pesina from Netherlands - 2018.10.09 19:07
    In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Natividad from Bogota - 2017.11.11 11:41
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