The modernization process of enterprises is accelerating. Epoxy antistatic floor paints have great potential in the market development. The use of epoxy resin antistatic floors can effectively reduce the repair rate and wear of precision electronic products, and reduce low-voltage static electricity to precision. Electronic product hazards. Due to the increasing demand for epoxy antistatic floor paint, a large number of companies have entered the epoxy antistatic floor paint industry. For the anti-static floor, the anti-static index of the coating must be considered first; secondly, there are compressive strength, tensile strength and wear resistance, as well as the general chemical resistance. Therefore, in the formulation design, epoxy resin is basically used as the base material, conductive materials, fillers, solvents and additives are added to make antistatic floor coatings. The following is a specific introduction to epoxy antistatic floor paint.
Epoxy anti-static floor-introduction
Epoxy anti-static floor is a modern floor with high strength, wear resistance, no joints, beautiful appearance, smooth surface, mirror effect, solid texture, anti-static, anti-corrosion, waterproof, dustproof and many other advantages. Nowadays, it is widely used in daily life. When using epoxy antistatic floor paint, the thickness of epoxy antistatic floor can be selected according to actual needs. The thickness of commonly used epoxy antistatic floor paint is 0.3-0.5mm Epoxy thin coating floors, 0.6-0.8mm epoxy thick coating floors, 1-5mm epoxy self-leveling floors and other different thicknesses.
Epoxy anti-static floor-type
With the extensive use of epoxy anti-static floors, the types of epoxy anti-static floors are also increasing. Epoxy anti-static floor paints can be roughly divided into: thin-coated epoxy industrial floors, epoxy anti-skid floors Floors, epoxy wear-resistant floors, epoxy mortar floors, epoxy self-leveling floors, garage ramps, epoxy antistatic floors, crystal colored stone floors, epoxy colored sand floors, epoxy marble Floors, bare colored stone floors, high temperature resistant fire floors, sports special floors, etc. In actual use, appropriate selection can be made according to needs.
Epoxy anti-static floor-characteristics
Epoxy anti-static floor has all the excellent properties of epoxy resin floor, can quickly discharge electrostatic charge, anti-static effect lasting, surface resistivity reaches 106Ω-109Ω, ground resistance discharge conforms to international GB6650-86A standards. The floor is seamless as a whole and can achieve: dustproof, tough, wear-resistant, impact-resistant, heavy-pressure-resistant, corrosion-resistant, solvent-resistant, smooth and bright, freely colored, easy to clean, maintain, maintain, and have a long service life. Prevent and eliminate static electricity, electromagnetic wave generation, interference damage, and lasting anti-static effect.
Epoxy anti-static floor-advantages and disadvantages
advantage
The antistatic effect is long-lasting and is not affected by time, temperature, humidity, etc. It is made of solvent-free KSL advanced epoxy resin with high-quality curing agent and good additives. The surface is smooth, beautiful, and mirror-like. Resistant to acid, alkali, salt chemical solvents, oil corrosion, especially strong alkali resistance. Good wear resistance, pressure resistance, impact resistance and good elasticity.
Disadvantages
The use time is not as long as the wear-resistant floor, the color is full of epoxy-free floor,
Epoxy anti-static floor-selection points
Conductive medium
Epoxy floor coatings have been widely used, and the technology is relatively mature. How to make it antistatic on this basis is the key to the development work, and the selection of a suitable conductive substance is the key. Carbon-based conductive materials are mainly graphite and carbon black, which are more commonly used in antistatic coatings. They have better conductivity and cheaper prices, but due to their large specific surface area and high oil absorption, when making solvent-free antistatic coatings When the added amount is slightly larger, the viscosity of the coating increases and the self-leveling property deteriorates, so it can only be used as an auxiliary to add conductive substances, but it can be used to make solvent-based antistatic coatings and conductive putty. The color can only be black or dark. Metal conductive media: good conductivity, but the color of the paint is limited by the color of the metal powder. This type of powder has a large specific weight, easy to settle, easy to sink in the paint film, and easy to oxidize in contact with air (and inert metals are expensive), all of which are It is easy to cause unstable conductive properties of the coating film. Metal oxide composite conductive powder: light color, can make various antistatic coatings, the conductive performance can basically meet the requirements, the oil absorption is moderate, and the price is higher. According to the characteristics of the above conductive medium, the use of solvent-free epoxy self-leveling antistatic floor coatings should use metal oxide composite conductive powder, including conductive mica powder, conductive quartz powder, conductive zinc oxide, conductive titanium dioxide, etc. The performance of the products produced by various manufacturers varies to a certain extent. For a certain color of self-leveling antistatic floor coating, it is advisable to select one conductive medium or several conductive media for use according to the color depth and antistatic resistance requirements.
Film-forming base
Solvent-free epoxy self-leveling antistatic floor coatings should use low molecular weight epoxy resin with reactive diluent and non-reactive diluent and curing agent to form a film. Solvent-based epoxy antistatic floor coatings can use medium molecular weight epoxy resin and amine curing agent as the film-forming substance.
Selection of additives
Due to the poor compatibility of the conductive medium with the base material and the coloring pigments, it is necessary to select a suitable wetting and dispersing agent to solve the floating color and blooming phenomenon. At the same time, attention should be paid to the selection and dispersion of pigments. Due to the sedimentation of conductive powder, the antistatic performance of the paint film surface is reduced, especially for self-leveling products, the coating film is thick, the surface drying time is long, and sedimentation is more likely to occur. Therefore, it is necessary to use some additives to avoid the occurrence of this phenomenon, and at the same time, it is necessary to prevent the leveling of the paint from being reduced by the influence of the additives. In addition, leveling agents, anti-foaming agents and other additives should be selected.
Selection of curing agent
For self-leveling antistatic floor coatings, modified fatty amine curing agents are generally used, and products with different gel times are selected according to the temperature of the construction environment. It is necessary to consider that the coating must have an appropriate period of use to facilitate construction operations. Consider that the drying time should not be too long, to avoid the phenomenon of conductive powder settling. For solvent-based antistatic floor coatings, polyamide or other amine curing agents can be used.
Epoxy anti-static floor-price
If the epoxy anti-static floor under construction is flat and there is no obvious pit gap, 1.0mm thick epoxy anti-static floor paint can be used for construction, and the epoxy anti-static self-leveling floor can use 0.5-0.8mm Thick anti-static flat coated floor. The high-thickness epoxy antistatic floor paint will have a mirror effect and wear resistance will be stronger, of course, the price of epoxy antistatic floor will be higher, usually 60 yuan / square meter. The price of 0.5-0.8mm thickness anti-static flat coating floor is 45 yuan / square meter, but its fineness and wear resistance are slightly worse. The ground intelligence is poor, it is recommended to choose epoxy anti-static floor above 2.5mm, the price of epoxy anti-static floor is 75 yuan / square meter.
Epoxy anti-static floor-matters needing attention
Epoxy anti-static floor paint has the advantage of simple construction, but also need to pay attention to some details during the construction process, in the construction process of epoxy anti-static floor, ensure sufficient isolation area to avoid ash, sand and other substances Infiltrated into the undried epoxy anti-static floor paint, easily contaminated areas, should be cleaned with a wide cloth mop 1-2 times, if the surface of the public construction epoxy anti-static floor has coarse sand, mud, etc. The sundries should be removed in time to avoid the larger sand particles from grinding the ground and affecting the use of epoxy anti-static floor.
Epoxy anti-static floor-acceptance criteria
In the construction of epoxy anti-static floor, the temperature is about 25 ℃. The hard work should be achieved within 2-3 days after the construction, and the hardness should reach about 80%. The surface of the epoxy anti-static floor must not be sticky; the epoxy anti-static floor has good leveling, no trowel marks, and the interface is smooth; the surface of the epoxy anti-static floor is basically uniform and uniform, without coarse impurities, Flat and smooth, the gloss should meet the design requirements.
Editor's summary: The above is how the epoxy anti-static floor paint, the relevant introduction of the latest quotation of epoxy anti-static floor paint, I hope to help friends who have needs in this regard! For more information, please continue to follow our website.
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