Physical and Chemical Properities

Product Name: Hydroxypropyl Methyl Cellulose

CAS NO:9004-65-3

Definition: we choose high purity cotton as the original material to get the odorless and tasteless white powder after special etherification in alkaline condition.

Granularity: percent of pass 98.5% min for 100 mesh and 100% for 80 mesh

Carbonization Temperature: 280-300 ℃

Apparent Density: 0.25-0.70 g/cm3, the proportion is 1.26-1.31

Color Change Temperature: 190-200 ℃

Solubility: soluble in water and some solvents, such as appropriate proportion of ethanol/water, propanol/water, methyl chloroform, etc. Water solution is in the nature of surface activity with high transparency and stable performance. Different specification, different gel temperature and performance. Solubility waries with its viscosity.

as the content of methoxyl group decreases, the gel point will increase, the water solubitity and the surface activity will decease.

 

Appication

It used as maind addeitive, dispersing agent, thinckening agent, stabilizing agent, emulsifying agent, excipient, water retention agent and filmogen in PVC, Polyvinyl chloride production, Construction, Petrochemical products, Paint remover, Agricultural chemicals, Printing ink, Texile & Dyeing, Ceramics, Paper, Cosmetics, Sythetic resin, Decorative operation, Coating, etc.

 

HPMC is mainly used for external wall thermal retardation system, thermal retardation mortar, decoration Mortar, masonry mortar, selfleveling mortar, wall putty; during decorative operations, it's mainly used for pasting ceramic tile, marble and plastic decoration, which is of high adhesive strength and can also reduce the use level of cement. Making the coating light, delicate and no taking-off of powder, improving levelability...