Shanghai ShiCi International Trading Co., LTD.
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    The company mainly produces and sells "HUAMAO" as well as "SANWEI" two major brand products. Products covered three series: One is polyvinyl alcohol (PVA) series of products with an annual capacity of 100,000 tons; the second is dispersible polymer powder can be 85,000 tons per year; the last is the cellulose products annual capacity of 60,000tons. 
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    Shanghai shici International Trading Co.Ltd is a professional company which contain enterprise sales, warehousing, distribution, technical services. Shanghai Shici in view of the new market situation and customer demand, the establishment of raw material supply as the core, formulation research, technical support, such as supporting the "integration, one-stop" service marketing model. 
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    Our polyvinyl alcohol (PVA) series of products, dispersible polymer powder, hydroxy propyl methyl cellulose and other related products are well applied in many fields such as paper, adhesives and emulsion, textiles, barrier films, tec,.
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517E - Re-dispersible polymer powder for wall
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517E - Re-dispersible polymer powder for wall


HUAMAO® 517E DISPERSIBLE POLYMER POWDER is a hard dispersible polymer powder based on vinyl acetate and ethylene for very good tensile adhesion strength on inorganic surfaces combined with good workability.

Product Specification



Major Component



White powder, freely flow

Solid Content, /%




Stacking Density, /(g·L-1)


Average Particle Diameter, /μm


Viscosity of 50% Water Solution, /(P·as)




Lowest remembrance-Forming temperature, /℃


HUAMAO® 517E DISPERSIBLE POLYMER POWDER is a copolymer powder of vinyl acetate and ethylene and is dispersible in water. Compounds modified with HUAMAO® 517E DISPERSIBLE POLYMER POWDER exhibit improved adhesion, flexural strength, deformability, abrasion resistance and are easier to process. Leveling, thixotropy and water retention are essentially unaffected. The product is ideal for use in combination with other mortar additives intended to enhance specific properties.
HUAMAO® 517E DISPERSIBLE POLYMER POWDER contains a fine mineral filler as an anti-blocking agent. It is produced without the addition of organic solvents, plasticizers, and film -forming agents.

Special features

HUAMAO® 517E DISPERSIBLE POLYMER POWDER is a hard general-purpose powder and has no effect on rheological properties. It is eminently suitable for formulating compounds of high ultimate strength and low emissions.


For typical application fields of HUAMAO® 517E DISPERSIBLE POLYMER POWDER, refer to the following application table. Please discuss additional applications with your WACKER customer representative.


For the production of ready-mixed dry mortars, such as adhesives and patching compounds, blend HUAMAO® 517E DISPERSIBLE POLYMER POWDER with the other dry ingredients inappropriate equipment. Temperatures should not be allowed to rise excessively during mixing because otherwise, the dispersible polymer powder could agglomerate by virtue of its thermoplastic properties. The mortar is prepared for use by adding the recommended amount of water and mixing mechanically or by hand. Since hand mixing generates little shear force, we recommend allowing the fresh mortar to slake for 5 minutes and then stir it again. This is usually unnecessary where mechanical mixers are employed.

HUAMAO® can customize according to customer demand, production of goods.
HUAMAO® can customize the packaging according to the customer's requirements.

Mechanism and performance of Re-dispersible polymer powder in EPS insulating mortar
Effect of the added amount of wall filler powder on the strength of insulating mortar
The high flexibility and high elasticity polymer reticular film formed by polymer powder significantly improved the performance of the insulating mortar, especially the tensile strength. When the external force is applied, the micro-cracks can be counteracted or slowed down because of the increase of the mortar cohesion and the flexibility of the polymer. The tensile strength of the insulating mortar increases with the increase of the content of latex powder, and the flexural strength and compressive strength decrease with the increase of the content of latex powder, but it can still meet the requirement of wall exterior surface. And the pressure folding is relatively small, reflecting the good flexibility of the insulation mortar performance.
The main reasons for increasing the tensile strength of wall putty powder are: During the solidification and hardening of mortar, the polymer will be formed in the transition zone between EPS granule and cement slurry, the interface between the two is more compact and firmer, and some polymers are dispersed into the cement slurry and condensed into membranes on the surface of the cementitious gel, forming a polymer network, This kind of low elastic modulus polymer network can improve the toughness of hardened cement; some polar groups in polymer molecules may also react with the hydration products of cement to form special bridge bond to improve the physical structure of cement hydration products and to relieve internal stress. Thus, the production of micro-cracks in cement paste is reduced.
The dispersible polymer powder is an indispensable part in the high-performance EPS granular insulation slurry, its mechanism is mainly in the system of polymer particles formed into a continuous film, the cement hydration products bonded together to form a complete network structure and the EPS particles firmly combined. The composite system of dispersible polymer powder and other binders has good flexibility and elasticity, which greatly improves the bond tensile strength and construction performance of EPS granule insulation mortar.

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