Industrial News
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The role of daily chemical grade hydroxypropyl methylcellulose HPMC
Daily chemical grade instant hydroxypropyl methylcellulose HPMC adopts high-purity refined cotton etherification synthesis treatment, the product purity is high, the aqueous solution is high in transparency, and the viscosity is high, which is very suitable for daily chemical applications. Our co...Read more -
Detailed analysis of what factors will affect the water retention of plastering plaster
The water retention rate of plastering gypsum slurry is related to the content of water-retaining agent, retarder and water ratio. Increasing the amount of water-retaining agent can increase the water retention rate, delay the setting time, and have a retarding effect, but it affects the strength...Read more -
Types and uses of gypsum building materials
Plaster Plastering plaster can replace cement mortar, leveling layer putty and lightweight mortar. It is a plaster-based plastering material for plastering various walls and ceilings in buildings. The plastering plaster adheres firmly to various inorganic wall base layers, which can avoid traditi...Read more -
Problems and solutions easily caused by the addition of hydroxypropyl methyl cellulose in putty powder
一. The prone problems of putty powder 1. Dry fast. This is mainly due to the excessive addition of gray calcium, and the excessive addition of gray calcium will greatly increase the water absorption, causing the finished putty powder to dry quickly. It can appropriately reduce the amount of gray...Read more -
The difference between hydroxyethyl cellulose and hydroxypropyl methyl cellulose
Carboxymethyl cellulose, hydroxypropyl methyl cellulose, and hydroxyethyl cellulose are used in the largest amounts. Among the three celluloses, the most difficult to distinguish is hydroxypropyl methyl cellulose and hydroxyethyl cellulose. Below, we will distinguish the...Read more -
Is hydroxypropyl methylcellulose harmful to the human body? What should I pay attention to?
Hydroxypropyl methylcellulose is not harmful to the human body, hydroxypropyl methyl cellulose is safe and non-toxic, can be used as a food additive, has no heat, and has no irritation on skin and mucous membrane contact. Generally considered to be a safe daily allowable intake of 25mg / kg, prot...Read more
