* Particle size: 98.5% passes through 100 mesh; 100% passes through 80 mesh. * Charring temperature: 280-300℃. * Bulk density: 0.25-0.70 g/cm3 (Usually around 0.5 g/cm3 ) * Real specific gravity: 1.26-1.31. * Browning temperature: 190-200℃. * Surface tension: (2% water solution) 42-56dyn.cm. * Properties: Dissolved in water and some organic solvent such as ethanol. propyl alcohol. ethylene chloride, the water solution is of surface activity. It is a nonionic surface active agent. Gelation temperature is different for different grades. For example, among 60RT Hydroxypropyl Methylcellulose, 60 is gelation temperature, Namely, 2% water solution will form gelation at 60%.
Tile Adhesive
A: Good water retention: it can prolonged opening time , to make tiling more efficient
B: Improved adhesion and sliding resistance especially for heavy tiles
C: Better work-ability: lubricity and plasticity of plaster is ensured, mortar can be applied easier and quicker
Cement Based Plaster
A: Easy dry mix formulation due to cold water solubility: lump formation can be easily avoided, ideal for heavy tiles.
B: Good water retention: prevention of fluid loss to the substrates, the appropriate water content is kept in mixture which guarantees longer concreting time
C: Increased water demand: increased open time, expanded spry area and more economical formulation
D: Easier spreading and improved sagging resistance due to improved consistency
Exterior Heat Insulation System ( EIFS )
A: Improved adhesion
B: Good wetting ability for EPS board and substrate
C: Reduced air entrainment and water uptake.
Self-leveling
A: Protection from water exudation and material sedimentation
B: No effect on slurry fluidity with low viscosity HPMC, while its water retention characteristics improve the finish performance on the surface.
Crack Filler
A: Better workability: proper thickness and plasticity
B: Water retention ensures prolonged work time
C: Sag resistance: improved mortar bonding ability
Gypsum Based Plaster
A: Water retention: maximized water content in slurry ensures complete gypsum concretion.
B: Anti-sagging: when spreading a thicker coat corrugation can be avoided ( careful when air is entrained )
C: Increased mortar yield: depending on the weight of the dry mixture and appropriate formulation HPMC can increase the mortar
Ceramic Extrusion
A: Excellent workability for ceramic molding due to lubricity and plasticity
B: Compact texture and smooth surface of ceramic product due to negligible ash content
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