News

When you produce and use putty, there will be various problems. Today we are talking to you that after you mix the putty powder with water, when you stir it with an electric drill, the putty will become thinner and the water will separate. Seriously, the root cause of this problem is the hydroxypropyl methyl cellulose added in the putty powder. Let us understand the principle of action together.

Speaking of hydroxypropyl methylcellulose, people first think of putty powder, mortar, tile glue, etc. Hydroxypropyl methylcellulose as an additive for putty powder, mortar, tile glue can improve construction performance and improve workability.

We all know that putty powder is made by mixing Calcium hydroxide powder,Calcium hydroxide powder, hydroxypropyl methylcellulose and water.

Many mortar and putty powder factories commonly use fire to detect hydroxypropyl methylcellulose, because this is the easiest and most convenient method. Here, SLEO Cellulose tells you that burning cellulose can only detect ash, not water retention.

Nowadays, there are more and more hydroxypropyl carboxymethyl cellulose sales markets, and the prices are not balanced. How to easily and quickly determine the quality of hydroxypropyl methyl cellulose has long become a crucial issue! So how to judge the quality of hydroxypropyl methylcellulose?

Although there is only one word difference between putty powder and putty paste, there is also a big difference. Putty powder is a basic leveling material, while putty paste is a wall decoration material. One table and one lining play different roles. Function, the editor will analyze the difference between putty powder and putty paste for you below.

It is added directly during production. This method is the simplest and shortest time-consuming method. The specific steps are:

1. Add a certain amount of boiling water to a stirred container with high shear stress (hydroxyethyl cellulose products are soluble in cold water, so just add cold water);

2. Start the mixing at low speed, and slowly sieve the product into the mixing container;

Physical and chemical properties:
1. The appearance is white or almost white powder
2. Granularity: 100 mesh pass rate ≥ 98% 80 mesh pass rate ≥ 100%
3. Carbonization temperature: 280-300℃
4. Surface tension: 42-56dyn/cm for 2% aqueous solution

The product application range of hydroxypropyl methylcellulose includes: masonry mortar, board joint filler, cement-based plaster, gypsum plaster and plaster products, water-based paint and paint remover, tile adhesive, self-leveling floor Due to the wide range of applications such as materials and formed concrete slabs, whether it is used as a binder, stabilizer, or other aspects, it can only be used after it is dissolved.