HPMC is used as a dispersant, thickener and adhesive in construction treatments and is mainly used in the molding of cement mortars and gypsum products. It is used in cement mortars to increase their cohesion, reduce flocculation, improve viscosity and shrinkage, and maintain moisture retention. Reduces water loss on the concrete surface, increases strength, and prevents the occurrence of cracks a
Monoethanolamine (MEA) is an organic compound with colorless liquid. It is used to remove acid gas in natural gas and petroleum gas, and manufacture non -ionic detergents, emulsifiers, etc.
The dangers and emergency protection of sodium chlorite
The dangers and emergency protection of sodium chlorite
1. Danger
Sodium chlorite is a strong oxidant that can cause methemoglobinemia, hemolysis, and renal failure; when in contact with acid, it will emit extremely irritating and corrosive gases, and its solution will strongly irritate the skin and organs; Mixed with organic matter and flammable substances, it may form an explosive mixture. R
A preparation process of paracetamol
(1) Add acetic acid, p-aminophenol, and metallic zinc with a molar ratio of 1.296:0.275:0.0046 into the reactor, stir and raise the temperature to 80°C, and obtain a reaction solution;
Effect of hydroxypropyl methylcellulose HPMC on cement-based building materials
Effect of hydroxypropyl methylcellulose HPMC on cement-based building materials mortar
Construction-specific hydroxypropyl methylcellulose products are widely used to improve the performance of hydraulic building materials, such as cement and gypsum. In cement-based mortars, it improves water retention, extends correction and open times, and reduces sagging.
Main Requirements For Plastic Titanium Dioxide
1. Particles and particle size distribution of titanium dioxide
The particle size requirements of titanium dioxide used in plastic profiles are much finer than those used in other fields.
China National Holiday for A week, which is celebrated to commemorate the foundation of the People's Republic of China on 1 October 1949. It is a public holiday in China.Tian’anmen Square will be decorated with flowers to celebrate National Day. The National Flag-raising ceremony will be held at Tiananmen Square. Lanterns and flags will hang in streets in cities.
Cosmetic zinc oxide can meet certain usage requirements during use, but during the production process, it must strictly follow the operating regulations to achieve good results. Let's learn about the production methods of cosmetic zinc oxide.
Difference Between drinking water and sewage treatment of NACLO
Sewage Treatment: Sodium chlorite is a highly efficient oxidant. Alkaline sodium chlorite solution is stable to light. It can react with chlorine gas in an acidic environment to release chlorine dioxide. Chlorine dioxide is a strong oxidant and is also a good water treatment and disinfection As a fourth-generation disinfectant, chlorine dioxide is very effective in industrial water treatment, and
1.3D lifelike eyes make lures more real and more attractive to fish.
2.VMC hooks make it impossible to escape from fish
3.Stainless steel balls inside lures can keep balance of the body.
4.Holographic or Highly Detailed Paint Finishes.
5. ABS plastic material.
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