Hydroxypropyl methyl cellulose(HPMC) CAS NO.9004-65-3

Details:

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Hydroxypropyl methyl cellulose(HPMC) CAS NO.9004-65-3

 

1. Water Retention: The water retention will be enhanced, which is helpful with such problems as cement or gypsum construction material drying too fast and poor hardening or cracking due to insufficient hydration.

 

2. Operationality:  price methyl cellulose  can enhance the plasticity of mortar and improve the coating efficiency in construction projects.

 

3. Adhesivity: hpmc can make mortar attach to base material better since the plasticity of mortar is enhanced.

 

4. Slip Resistance: hpmc can prevent slipping problem between mortar and the base material in construction project as a result of its thickening effect.

 

Source:  Cotton Linters

Function: Thickening,dispersing, emulsifying, film forming and tableting excipients.

 

5.Application

price methyl cellulose used as adhesives, thickeners, water-binding agents, emulsifiers, film-forming reagents, dispersing agents and stabilizers in the pharmaceutical industry, adhesive and water-binding agents in building industry.  thickeners, dispersing agents and stabilizers in paint, printing and ink industry.

price methyl cellulose used in plastic industry for forming release agents, softeners, lubricants and so on.

 

Technical Requirements:

 

Application	Pharmaceutical grade			Industrial grade
Names of index	Parameter			Parameter
Products model	60LDS	65LDS	75LDS	60LDS	65LDS	75LDS
Methoxyl content (wt%)	28.0-30.0	27.0-30.0	19.0-24.0	28.0-30.0	27.0-30.0	19.0-24.0
Hydroxyl and oxyl content (wt%)	7.0-12.0	4.0-7.5	4.0-12.0	7.0-12.0	4.0-7.5	4.0-12.0
Gel temperature(°C)	58.0-64.0	62.0-68.0	70.0-90.0	58.0-64.0	62.0-68.0	70.0-90.0
Loss on drying (WT)	≤5.0%			≤5.0%
pH value (1% solution at 25°C)	4.0-8.0			4.0-8.0
Ash	≤1%			≤4%
Chloride(NaCl)	≤0.2%			/
Arsenic salt: ppm	≤2			/
Heavy metal: ppm	≤20			/
Viscosity (2% aqueous solution, 20°C, MPa.s)	5-150000			5-150000

Viscosity specifications :

 

Type	Specification	Range mpa.s
Ultra-low viscosity	5	3-7
	10	8-12
	15	13-18
Low viscosity	25	20-30
	50	40-60
	100	80-120
High viscosity	4000	3500-5600
	12000	10000-14000
Ultra-high viscosity	20000	17000-22000
	25000	22000-28000
	30000	28000-32000
	40000	37000-42000
	50000	2900-3900*
	100000	4100-5600*

 

Notes for packaging, storage and transportation:

 

It is packaged by fiber drum lined with polyethylene film bags inside, net weight of each fiber drum: 25kg. Exposing to the sun and rain is forbidden and absorption of moisture should be avoided during storage and transportation

 

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