HPMC building grade
HPMC CAS NO.9004-65-3 is an important contruction material, it is used very wildly, it can be used in putty powder, mortar, water-based paint, tile adhesive.
Product name: Hydroxy Propyl Methyl Cellulose (HPMC)
Other Names: Hypromellose
Appreance: White powder
CAS NO.: 9004-65-3
EINECS No.: 220-971-6
1.The addition of HPMC building grade has a significant retarding effect on the mortar mixture. With the increase of the HPMC building grade content, the setting time of the mortar is successively extended. Under the same HPMC building grade content, the underwater molding Mortar has a longer setting time than when formed in air. This feature is beneficial for underwater concrete pumping.
2.The freshly mixed cement mortar mixed with HPMC building grade has good cohesion performance and almost no bleeding.
3.The mixing amount of HPMC building grade and the water demand of mortar show a decrease first and then a significant increase.
4. The incorporation of HPMC building grade has improved the problem of increasing water demand of mortar, but its mixing amount must be controlled reasonably, otherwise the underwater dispersion resistance of fresh cement mortar will sometimes be reduced.
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