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Tips: Is the interface agent the same as the interface mortar?

Tips: Is the interface agent the same as the interface mortar?

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  • Time of issue:2020-12-29
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(Summary description)For example: (1) Porous and strong water-absorbing materials (aerated concrete, gypsum board, wood, etc.); (2) Smooth and low-water-absorbing materials (cast concrete, etc.)

Tips: Is the interface agent the same as the interface mortar?

(Summary description)For example: (1) Porous and strong water-absorbing materials (aerated concrete, gypsum board, wood, etc.); (2) Smooth and low-water-absorbing materials (cast concrete, etc.)

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2020-12-29
  • Views:0
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For example: (1) Porous and strong water-absorbing materials (aerated concrete, gypsum board, wood, etc.); (2) Smooth and low-water-absorbing materials (cast concrete, etc.); (3) Non-porous, non-absorbent material PVC , Benzene board and other organic material plates, glazed tiles, etc.), so that hydraulic cladding materials cannot be fully hydrated or mechanically embedded to produce anchoring force, which affects the adhesion and integrity; (4) Because the substrate is in The subsequent physical and mechanical properties of the cladding material, such as deformability (shrinkage, expansion), thermal expansion coefficient, elastic modulus, strength, etc., produce internal stress, which leads to bonding failure. In all the above situations, it is necessary to use an interface treatment agent to enhance the bonding force between the two materials (to avoid hollowing, cracking, and falling off). In a physical sense, the interface treatment agent is essentially a two-way affinity architectural bond Agent.

What are the main applications of interface mortar?

Generally, buildings and building components require mortar to be used as a surface layer, which protects the buildings and walls to resist the erosion of the building from natural environments such as wind, rain, and snow, and improve the building’s Durability, while achieving compact, smooth and beautiful decorative effects, all of which are based on the effective bonding of the surface layer and the substrate. Dry powder interface treatment agents for construction are widely used in plastering walls, preventing hollowing, bonding layers of post-pouring belts, and refurbishing old walls. It is particularly worth mentioning that while ensuring effective bonding, the interface treatment agent often avoids the watering of the substrate, especially the lightweight blocks that produce shrinkage deformation due to watering, and also prevent dry shrinkage. The role of cracking and stabilizing the substrate is the market with the largest amount of this material. In addition, in many dense materials that are not easy to be bonded by mortar, the interface treatment agent, as an indispensable auxiliary material, also has a certain market.

What are the advantages of interface mortar?

The interface mortar has the following advantages: (1) It can close the pores of the base material, reduce the absorption of the wall, achieve retardation, reduce the absorption of moisture in the cladding mortar by the lightweight masonry, and ensure that the cladding mortar material is bonded under better conditions Gelation; (2) Consolidation, improve the surface strength of the substrate, and ensure the bonding force of the mortar; (3) Undertake the bonding and bridging function of the masonry and the plastering surface, and ensure that the upper wall mortar and the masonry surface are more easily combined into a firm (4) It has permanent bonding strength, does not age, does not hydrate, and does not form a membrane structure that affects durable bonding; (5) Eliminates the secondary watering process before plastering to avoid dry shrinkage of the wall.

The interface treatment agent can be classified according to the material and can be divided into three categories: organic (water-soluble epoxy resin, acrylic acid, EVA emulsion, etc.), inorganic, organic and inorganic composite; according to the form of the finished product, it can be divided into solid, liquid, solid-liquid dual Three kinds. Dry powder mortar interface treatment agents mostly contain water-retaining agents and high molecular polymers (produce intermolecular physical bonding), which belong to a single group of products that can be mixed with water in powder form.

[What is the interface agent]

Interface agent is an adhesive, generally made of vinyl acetate-ethylene. It has super adhesion, excellent water resistance and aging resistance. Improving the bonding strength of the plastering mortar to the base layer can effectively prevent the plaster layer from hollowing, falling off, shrinking and cracking. It is used to treat the surfaces of concrete, aerated concrete, lime-sand bricks and fly ash bricks, and solve the problem that the interface is not easy to bond due to the strong or smooth surface of these surfaces, which causes the plaster layer to hollow, crack, and peel. It can greatly enhance the adhesion between new and old concrete and between concrete and plaster mortar. It can replace the traditional chiseling process of concrete surface and improve the plastering process of aerated concrete surface. It is an indispensable supporting material for modern architecture and decoration construction.

Interface agents are usually used on the surface of concrete because the surface of the concrete is too smooth. By using this product, the surface of the base layer can be roughened, the bonding force of the cement mortar to the base layer can be increased, and the hollowing of the plaster layer can be avoided, thereby replacing the manual chiseling process. It can also be directly brushed with the back of the ground material, depending on the material.

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Time of issue:2020-12-29 13:52:21

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