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China Factory for Sag Resistant Ceiling - Hydroxypropyl Methylcellulose HPMC – Beihua

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We have probably the most state-of-the-art output equipment, experienced and qualified engineers and workers, recognized good quality manage systems plus a friendly skilled income workforce pre/after-sales support for Wire Mesh Rock Wool Blanket , Ceiling Steel Track , Insulation Rock Wool For Building , At our firm with quality first as our motto, we manufacture products that are entirely made in Japan, from materials procurement to processing. This enables them to be used with confident peace of mind.
China Factory for Sag Resistant Ceiling - 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 are experienced manufacturer. Wining the majority from the crucial certifications of its market for China Factory for Sag Resistant Ceiling - Hydroxypropyl Methylcellulose HPMC – Beihua , The product will supply to all over the world, such as: Mali, Georgia, Zambia, What You Need Is What We Pursue.We are sure our products will bring you first class quality.And now sincerely hope to promote partner friendship with you from all over the world. Let's joint hands to cooperate with mutual benefits!
  • This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
    5 Stars By Maud from Hungary - 2017.03.28 12:22
    Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
    5 Stars By Hedy from Barcelona - 2017.11.12 12:31
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