What is guar ether？
(1) Compared with cellulose ether, guar ether is more soluble in water. The performance of the pH guar ether was essentially unaffected. (2) Under the condition of low viscosity and low dosage, guar gum can replace cellulose ether in the same amount, and has similar water retention. However, the consistency, sag resistance and thixotropy are […]
How does polyvinyl alcohol dissolve?
1. Polyvinyl alcohol is soluble in water and generally needs to be heated to 65～75℃ in order to dissolve completely. Slightly soluble in dimethyl sulfoxide. It is soluble in glycerol at 120～150℃, but becomes jelly when cooled to room temperature. 2. To dissolve polyvinyl alcohol, the material should be added to room temperature water under […]
Use scenarios of water repellent
1. Various waterproof and moisture-proof of various attached construction workers and single-built civil air defense projects, industrial and civil buildings; 2. Waterproof and moisture-proof for various large, medium and small grain reserves of the country; 3. Waterproofing of various sewage pools, purification pools, edible pools, swimming pools and underground works; 4. Impermeability, waterproofing and leakage […]
Features of Xylem Fiber
Xylem Fiber is an organic flocculent fiber material obtained by chemical treatment and mechanical processing of natural renewable wood. 1. Lignocellulose is insoluble in water, weak acid and alkaline solution; the pH value is neutral, which can improve the corrosion resistance of the system. 2. Lignocellulose has small specific gravity and large specific surface area, […]
Polypropylene staple fiber is a fiber
Polypropylene short fiber is a kind of fiber. Polypropylene short fiber can improve the crack resistance, impermeability, impact abrasion resistance, frost resistance, explosion resistance of mortar/concrete and improve the workability of concrete. Tens of millions of fibers are evenly distributed in the mortar/concrete, which plays a good role in micro-reinforcing, which well maintains the integrity […]
The role of air-entraining agents in building materials
Air-entraining agent, also known as air-entraining agent, is a hydrophobic surfactant. It is dissolved in water and added to the concrete mixture, which can generate a large number of tiny air bubbles during the stirring process. Air-entraining agents can improve the workability, water retention and cohesion of concrete mixtures, and improve the fluidity of concrete. […]
Brief introduction of cement retarder
Cement retarder is a kind of retarder that can delay the hydration reaction of cement, thereby prolonging the setting time of concrete, making fresh concrete maintain plasticity for a long time, facilitating pouring, improving construction efficiency, and at the same time, it will not cause adverse effects on various properties of concrete in the later […]
Types and characteristics of polycarboxylate superplasticizers
1. High water reduction type: (1) Ultra-high water reduction rate, the water reduction rate can reach 40%; (2) The enhancement effect is obvious, the 3d compressive strength can be increased by 150%-200%, and the 28d compressive strength can be increased by 40% %-70%. 2. High slump protection type: (1) No loss within five hours at […]
The global VAM market size will exceed $12.5 billion by 2027
VAM is a vinyl acetate monomer. It is a mass-produced industrial chemical that is used to make other industrial chemicals. VAM is an important intermediate in the manufacture of various polymers and resins used in adhesives, paints, coatings, films, textiles and other end products. The VAM market is driven by the demand for derivatives for […]
Dispersible polymer powder (VAE)
VAE is a water-soluble white or off-white flowable powder, a copolymer of ethylene and vinyl acetate, with polyvinyl alcohol as a protective colloid. It has extremely outstanding waterproof performance, good bonding strength, increases the elasticity of the mortar and has a longer open time, gives the mortar excellent alkali resistance, and improves the adhesion/adhesion, flexural […]
