China Medicine Grade Hydroxy Propyl Methyl Cellulose Phthalate (HPMCP-HP55), Find details about China Hydroxypropyl Methyl Cellulose, HPMC-P from Medicine Grade Hydroxy Propyl Methyl Cellulose Phthalate (HPMCP-HP55)
Grade Ltems | HP55 | HP55S |
Apparent viscosity(Mpa.s) | 32-48 | 136-204 |
Loss on drying | not more than 5.0% | |
Residue on ignition | not more than 0.2% | |
Chloride | not more than 0.07% | |
Arsenic | not more than 2ppm | |
heavy metals | not more than 0.001% | |
Free phthalic acid | not more than 1.0% | |
Phthalyl content | 27.0-35.0% | |
Methoxyl content | 18.0-22.0% | |
Hydroxypropyl content | 5.0-9.0% |