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Hydroxypropyl methyl cellulose plays three roles in the putty powder: thickening, water retention and construction.
VAE Re-dispersible Polymer Powder is the powder formed after the polymer lotion is dried by spray, also known as dry powder glue. This kind of powder can be rapidly reduced to lotion after contacting with water, and maintain the same properties as the initial lotion, that is, the film will be formed after water evaporation. This film has high flexibility, high weather resistance and high adhesion to various substrates.
According to different uses and performance requirements, you can refer to the recommended ratio according to the product manual and configure it as needed.
Polycarboxylate polymer powder olycarboxylic acid powder breaks the convention in the production process and adopts thermal synthesis process, which can reduce production costs in terms of energy consumption. No release agent is added, and the purity of the produced products is higher, with the solid content controlled at around 98%. In terms of product performance, high-purity products have the characteristics of low dosage, high active ingredients and good collapse-preserving properties, further reducing customer costs.
The VAE Re-dispersible Polymer Powder is water-soluble redispersible powder, which is divided into ethylene/vinyl acetate copolymer, vinyl acetate/ethylene tert carbonate copolymer, acrylic acid copolymer, etc. The powder adhesive made by spray drying takes polyvinyl alcohol as the protective colloid.
Different quality and different types of redispersible latex powder, even when used in the same purpose, will be added in different amounts. Different uses, using the same brand, the same quality of VAE Re-dispersible Polymer Powder, the amount of addition will be different. VAE Re-dispersible Polymer Powder has a wide range of applications. Let's give some examples of specific dosage.
Generally speaking, the higher the water reducing rate of water reducing agent is, the more sensitive the mixing logistics mobility is to the content in its effective content range.
Hpmc as a water-retaining agent and retarder for cement mortar, it makes the mortar pumpable. In plastering slurry, gypsum, putty powder or other building materials, it is used as a binder to improve spreadability and prolong operation time.
VAE Re-dispersible Polymer Powder products are water-soluble redispersible powders, which are divided into ethylene/vinyl acetate copolymers, vinyl acetate/ethylene tertiary carbonate copolymers, acrylic acid copolymers, etc. The powder sticky made after spray drying Mixture, using polyvinyl alcohol as protective colloid. This kind of powder can be quickly dispersed into an emulsion after contact with water. Because VAE Re-dispersible Polymer Powder has high bonding ability and unique properties, such as water resistance, construction properties and heat insulation, they are The scope of application is extremely broad.
The viscosity of HPMC is inversely proportional to the temperature, that is, the viscosity increases with the decrease of temperature. The viscosity of a product usually refers to the test result of its 2% aqueous solution at 20 ℃.
As the size of the tiles increases, hollowing is more and more likely to occur after laying, and even the accident of the tiles falling off occurs. This problem has a lot to do with the flexibility of the bonding material.