Technical Datasheet


Cellulose ether for gypsum-based systems

Celopro® MT5503 has been developed to improve the thickening effect and workability properties of gypsum based dry mortars. 

CELOPRO® MT5503 will give excellent paste stability over time. Giving the craftsman ample time to work with this product and anti-slipping. It can be applied in plaster and wall putty. CELOPRO® MT5503 provides good workability to those mortar product and it gives:

Good water retention

Very Good thickening efficiency

Good workability

Longer open time

Perfect anti-slipping 

Product Properties
Chemical basis:Hydroxyethyl methyl cellulose
Viscosity:40,000 -50,000 mPas ( 2% solution, on dry basis)
Particle size:Powder
Moisture content:Max. 5%
Bulk density:200-500 g/l
Recommended Dosage
Typical dosage:0.20 - 0.50%


Celopro MT series are offered in two types of package:

1. Small bags: 25kg per bag. Packed in multilayer paper bags, with inner PE bag.

2. Big bags: 500kg per bag.


Celopro MT5503 is a non-perishable product. It is recommended to use the product in rotating on a first in first out basis. The product should be stored under dry and clean conditions in its original packaging and keep away from heat. The packaging is selected in a way to avoid ingress of moisture, but the water content of the packed product will / may increase if not stored dry.

Product Safety

According to the legislation on dangerous substances and preparations, Celopro cellulose ethers are not hazardous. Further data on the safety aspects of Celopro types are given in the Safety Data Sheet.


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