USD $0.40-1.00 / Metric Ton
USD $100.00-150.00 / Kilogram
USD $32.00-34.00 / Metric Ton
USD $1.00-10.00 / Kilogram
USD $90.00-100.00 / box
product description:
a:physical and chemical properties:
particle saize:98.5% passes thyough 10 mesh; 100% passes through 80 mesh.
charring temperature: 280-300°c
bulk density: 0.25-0.70g⁄cm3
b:properties: disolved in water and some organic solvent such s ethanol, propyl aalcohol, ethylene chloride.
applications:
hydroxypropyl methyl cellulose is a pharmaceutical auxiliary mateil. it plays an important part in three fields:
1. tablets and granuled coating.
2. granulation.
3.controlled release of course,it can be used for many other uses, such as pvc polymerization, construction products, foods, and personal care products.
specifications:
grade |
60rt |
65rt |
75rt |
hydroxypropoxyl content:wt% |
4.0-7.5 |
7.0-12.0 |
4.0-12.0 |
methoxyl content:wt% |
27.0-30.0 |
28.0-30.0 |
19.0-24.0 |
gelation temperature °c |
62-68 |
58-64 |
70-90 |
residue on ignition content:wt% |
not more than 1.0 |
||
loss on dry:wt% |
not more than 5.0 |
||
viscosity(2wt% solution) |
3-100000 |
||
phvalue(1wt% solution) |
4-8 |
||
chloriides:(nacl) wt% |
not more than 0.2 |
||
arsenic:ppm |
not more than 2 |
||
heavy metals:ppm |
not more than 20 |
||
package, storage, transportation
it is packed in fiber drum and lining with polyethylene film bag. net weight 25kg per drum. direct sunshine and raning, moisture must be avoided.