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(Where are concrete admixtures used?) At first, concrete additives were used only to save cement. With the development of construction technology, admixture has become the main measure to improve the performance of…

(Why is polycarboxylate superplasticizer more suitable for modern concrete?) Modern concrete is represented by ready-mixed concrete produced in industrialization, and pumping construction is the mainstream. Mechanical properties are no longer the only…

(How to use polycarboxylate superplasticizer for different kinds of concrete?) Prestressed or precast concrete Adding polycarboxylate superplasticizer can make the compressive strength of precast concrete reach 40MPa grade at 8h to 18h;…

(Effect of polycarboxylate superplasticizer on the concrete properties) Impermeability The impermeability of concrete is related to its porosity and pore structure. According to the pore size, the pores in concrete can be…

(Polycarboxylate superplasticizer advantages) Polycarboxylate superplasticizer is based on unsaturated polymerizable monomers with active groups such as carboxyl group, sulfonic acid group, hydroxyl group and polyoxene group as raw materials. some new high-performance…

(Development of polycarboxylate superplasticizer) According to the different molecular structure, it can be divided into four generations of polycarboxylate series superplasticizer, the first generation is acrylic acid copolymer, the second generation is…

(Problems when using pce powder) In terms of action mechanism, the molecular structure of polycarboxylate superplasticizer is comb type, and the polar anion "anchoring" group with strong main chain is used to…

(How to store polycarboxylate superplasticizer?) First of all, pay attention to the storage environment of polycarboxylate superplasticizer, try to store polycarboxylate superplasticizer in a cool, ventilated, no direct sunlight place.   Secondly,…

(Thermal insulating refractories) Thermal insulation materials refer to materials or material composites that have significant resistance to heat flow. The porosity of thermal insulation refractories is generally more than 45%, the bulk…

(What are the problems when polycarboxylate superplasticizer is used in concrete engineering?) Effect of water consumption on properties of polycarboxylate concrete mixture The influence of water consumption is very obvious. In the…

(Concrete pce powder: Types, Advantages and disadvantages, and Properties) Polycarboxylate superplasticizer types The commonly used superplasticizers include polycarboxylate series, naphthalene series, fatty acid series, and other superplasticizers. Different superplasticizers have their own…

(Some factors that would influence the effect of pce powder in concrete) Cement Influence of cement mineral composition The shrinkage of C3A, C3S, C2S and C4AF in Portland cement is C3A >…