Bermocoll M 30 cellulose ether


BERMOCOLL M 30 is a non-ionic, water soluble cellulose ether intended as a water retaining and consistency improving additive to cement based mortars. Bermocoll M 30 contains methyl, ethyl and hydroxyethyl substituents giving a unique balance between workability and strength.



BERMOCOLL M 30 is a high viscosity grade of methyl ethyl hydroxyethyl cellulose.


Physical data

Appearance: whitish powder

Particle size: 98 % < 600 μm

Water content: max 5 %

Salt content: max 6 %


Characteristics of aqueous solutions

pH (1 % solution): neutral

Surface activity: weak

Viscosity at 20°C (Brookfield LV) 1 % solution: 2,500 – 3,500 mPa.s



BERMOCOLL M 30 is used in cement-based tile fix and joint mortars for improvement of workability, consistency, water retention and adhesion.

Normal dosage in mortar is 0.3 - 0.7 % calculated on the dry mortar weight.

BERMOCOLL M 30 is intended for dry mixing with other powder materials and should not be used for direct dissolving in water.


Packaging and Storage

BERMOCOLL M 30 is packed in multiply paper bags with an inner polyethylene bag. Net weight 15 kg. We recommend emptying the bags from the bottom. The empty bags can be recycled or burned. In unopened bags, BERMOCOLL M 30 can be stored for several years. In opened bags, the moisture content of BERMOCOLL M 30 will be influenced by the air humidity.


At the temperatures above 250°C (480°F), charring of BERMOCOLL M 30 will occur. At high temperatures and in contact with an open flame, BERMOCOLL M 30 will burn slowly with the

characteristics of cellulose.