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HPMC is hydroxypropyl methylcellulose. It is a kind of non-ionic cellulose mixed ether, which is made from alkalized refined cotton, using propylene oxide and methyl chloride as etherification agents, and is obtained through a series of reactions. The degree of substitution is usually 1.2-2.0. The ratio of methoxyl content and hydroxypropyl content varies.
How much can the water reduction rate of polycarboxylic acid high-performance water reducer reach? First of all, we should know that the water reduction rate of polycarboxylic acid water reducer refers to the percentage of water consumption that can be reduced under the specified dosage, that is, the water reduction rate. For example, it was originally necessary to use 100g of water to make the mortar mix.
Gypsum mortar is a building material with gypsum as the main component. Gypsum accounts for 70% to 80% of the total weight of the mortar. Other components include lime, silicate, etc. The following is a summary of the effects of several mortar additives on gypsum mortar.
PVC paste resin is mainly used to make artificial leather, floor leather, impregnated gloves, screens, paddy boots, tool handles, wallpaper, floor rolls, battery separators, toys, metal coatings, hoses, car interiors, bags, shoes, Bottle cap lining, ink, adhesive and other products.
VAE Re-dispersible Polymer Powder is mainly used in dry; Interior and exterior wall putty powder, tile adhesive, tile jointing agent, dry powder interface agent, exterior wall external insulation mortar, self leveling mortar repair mortar, decorative mortar, waterproof mortar external insulation dry mixed mortar.
Due to its excellent properties, polycarboxylate superplasticizers are widely used in many fields, including:
Lithium carbonate is the provider of lithium ions in lithium batteries, and lithium carbonate occupies an important position in the industrial chain. As lithium carbonate futures products are about to be launched, this article will introduce the basic knowledge of lithium carbonate.
(1) Whiteness: Although whiteness cannot determine whether HPMC is easy to use, and if whitening agent is added in the production process, its quality will be affected. However, most good products have good whiteness.
lithium silicon (Li2SiO3) is a colorless or white crystal powder with the following basic characteristics:
The VAE Re-dispersible Polymer Powder will disperse in water to form a stable lotion, but the redispersibility of the emulsion powder only occurs once, and the hardened mortar and other materials will not disperse again in water.