Reference formula for epoxy flooring
Reference formula of epoxy floor:
Release Time:
2020-02-17 12:03
Reference formula of epoxy floor:
1. Selection of epoxy resin
First of all, the epoxy resin is required to be able to film at room temperature, and the coating is required to have high adhesion, strong mechanical strength, chemical resistance and good electrical properties;
Secondly, the use of transparent solvent-free, low viscosity epoxy resin, so that the color of the sand can be fully expressed, increase the texture and beauty, in order to ensure the excellent performance of the floor and environmental protection requirements;
Third, according to the requirements of construction technology, epoxy resin must be low viscosity, on the one hand, in the mixed mortar stage, low viscosity can make epoxy resin and sand more easily mixed evenly, so that the resin mortar is not bonded to each other and easy to pavement;
On the other hand, in the coating film forming process, low viscosity can make the sand more easily precipitated to the lower layer of the coating, and low viscosity is more easy to defoaming and leveling. Finally, E-51 was chosen.
2. The choice of curing agent
In principle, the choice of curing agent should choose two or more curing agents for compounding, in order to achieve the required mirror effect, in general, the compound curing agent should contain anti-water spots and anti-whitening components, while the curing speed is relatively fast and slow curing agent compound to adjust the curing speed. Finally, the compound modified alicyclic amine curing agent was selected.
3. Selection of additives
Color sand material for the coating requirements are very high, especially under the condition of thick film, even if the coating is fully leveled in a limited time, but also requires the bubbles in the thick film to be discharged quickly and the film surface does not leave any defects, therefore, the selection and dosage of leveling defoamer and other additives is a key factor. On the one hand, by adding all kinds of additives, reduce the surface tension of the film film, is conducive to the film leveling and defoaming; On the other hand, it is necessary to prevent the addition of such additives will cause incompatibility, the resin, diluent and filler bonding between the adverse effects; In addition, the addition of all kinds of additives on the transparency of the film must not have a negative impact.
4. Selection of reactive diluent
Self-leveling coatings abroad generally use C12 ~ C14 glycidyl ether, acrylate glycidyl ether, can provide better mirror effect. At present, most domestic manufacturers use BGE and other glycidyl ethers. Due to the large surface tension of BGE materials, the leveling performance is not good. At the same time, the vapor pressure of BGE materials is high and volatile, which affects the surface effect and is not conducive to environmental protection. Therefore, the product uses AGE as the active diluent.
5. Colored sand
The color sand in the epoxy self leveling color sand refers to the color quartz sand, which can give the floor a variety of color beauty. Should choose high quality color quartz sand, its color, particle roundness, particle size ratio and chemical resistance and other indicators are equivalent to foreign products, the quality is stable and reliable, the price is low.
Quartz sand should be round or spherical granular, easy to slide freely between particles in the construction process, so that the sand can try to "the most closely packed", so that the epoxy sand layer is fully dense, can save the surface layer of resin dosage, reduce costs, and ensure excellent floor resistance to heavy pressure and wear resistance. It is appropriate to use rounded granular colored quartz sand with a particle size range of 0.3~3mm.
Epoxy floor maintenance points
Epoxy floor maintenance mainly on the surface of the transparent self leveling layer of conservation, conservation points are:
(1) Daily cleaning can be cleaned with a soft broom or rag.
(2) When the pollution is serious, you can use a neutral detergent, wash with a cloth, then wash with water, dry, and apply a thin layer of wax.
(3) the ground with acid, alkali and other chemicals, should be washed with water in a timely manner; if it is flavoring agent, oil lamp, can be directly wiped with a rag.
(4) smooth coating can be bright wax regular maintenance, maintain beautiful.
Construction Technology of Epoxy Self-leveling Colored Sand
The foundation shall be compacted first, and after the moisture content of the foundation soil meets the requirements of the construction specification, the reinforcement shall be bound according to the design drawing, and the concrete cushion block shall be set in the lower reinforcement for leveling.
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