HYDROXYPROPYL METHYL CELLULOSE(HPMC),construction industry

1.has good water solubility,
2.dispersing and film-smoothability,adhesive.
Cellulose ethers can be widely used in construction meterials,paints synthetic resin,pharmacentical auxiliary material.Foods personal care products.
The viscosity ranges from 5cps-200000cps.
Index
Type
ME
MF
MK
Methoxyl content(WT%)
28.0-30.0
27.0-30.0
19.0-24.0
Hydroxypropyl content(WT%)
7.0-12.0
4.0-7.5
4.0-12.0
Gelation temperature(ºC)
58.0-64.0
62.0-68.0
70.0-90.0
PH value(1% solution ,25
o
C)
4.0-8.0
Ash content(WT%)
≤ 0.5 (1.0-Industry grade)
Loss on drying (WT%)
≤ 5.0
Burnt residues(WT%)-pharm grade
≤ 1.5
Heavy metal(PPM)-pharm grade
≤ 20
Arsenic(PPM)-pharm grade
≤ 2
Viscosity,(mpas)
5-200000cps