Technical Datasheet

CELOPRE® ME4000

Product Properties
Constitution:
Hydroxypropyl methyl cellulose
Appearance:White Powder  Delayed Solubility:  NO
Substitution degree:High etherification Ionicity:  
Nonionic

Product Specification
Loss on drying: ≤5%
Residue on ignition: ≤1.5%
Heavy metals:
≤0.001% 
Arsenic:≤3ppm
Methoxyl content:28.0-30.0%
Hydroxypropoxyl content:4.0-12.0%
Total microbial count:≤1000cfu/g
Total mould and yeast:≤100cfu/g
Apparent viscosity: 3000–5000cP

Packaging, Storage and Safety instructions

Packed in 25 kg per drum.


When stored in closed containers, or in its original packaging in a dry place at room temperature, CELOPRE can be kept for a long time. In the case of high viscosity grades, a slow loss of viscosity can be measured after lengthy storage (>1 year). CELOPRE absorbs water from moist air. Once opened, container must be resealed and kept tightly closed.


Cellulose ethers constitute a dust explosion hazard. Dust formation and deposits must be kept to a minimum so that no ignitable dust/air mixtures can form. Ignition sources such as naked flames, hot surfaces, spark and static electricity should be avoided. CELOPRE starts to decompose at about 200° C. Its ignition temperature is >360° C. It burns easily and the fire may spread.

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