Hydroxypropyl Methyl Cellulose manufacturer,supplier,factory China
Hydroxypropyl Methyl Cellulose Ⅰ. Name 1. Chemical Name: Hydroxypropyl Methyl Cellulose 2. English Name: Hypromellose, HPMC for short 3. Structural formula:OR=-OH、-OCH3、-[OCH2CH(CH3)]nOH or -[OCH2CH(CH3)]nOCH3 Ⅱ. Technical Requirements Item 60 65 75 Methoxy % 28-30 27-30 19-24 Hydroxypropyl % 7.5-12 4-7.5 4-12 Gel temperature ℃ 58-64 62-68 70-90 Moisture % ≤5 Ash content % ≤5 PH value: […]
hydroxyethyl methyl cellulose manufacturer,supplier,exporter
Hydroxyethyl methyl cellulose Ⅰ. Name 1. Chemical name: 2-hydroxyethyl methyl cellulose 2. English name: 2-hydroxyethyl methyl cellulose Abbreviation: HEMC 3. Structural formula:OR=-OH、-OCH3、-[OCH2CH2]nOH or -[OCH2CH2]nOCH3 Ⅱ. Technical specifications Item Index Substituting degree Methoxyl % 22.0-30.0 1.3-2.5 Hydroxyethyl % 2.0-14.0 0.06-0.5 Gelation temperature ℃ 60-90 Moisture content % ≤5 Ash content % ≤5 pH value: 1% solution, […]