What is an epoxy resin self-leveling floor ? Epoxy resin self-leveling is a kind of ground construction technology. The coating used is epoxy resin and special curing agent as the main material. It is processed through strict matching by adding various additives, pigments, and fillers. Not only has excellent chemical properties such as water resistance, oil resistance, chemical resistance, etc., but also has the advantages of good adhesion, high mechanical strength, low film shrinkage after curing, and can be coated into a thick film at one time. Therefore, it is widely used. Modern industrial floor finishes. Self-leveling can also be moisture-proof, anti-bacterial, anti-corrosion and other features, widely used in medical, biological, electronic and other clean room, sterile room. Then what is the epoxy resin self-leveling floor construction process, then let's take a look.
Epoxy self-leveling overview:
Epoxy self-leveling floor is high-density, high-brightness, anti-pressure and wear-resisting, anti-acid and alkali-resisting, anti-aging, maintenance-free, environmentally-friendly and energy-saving high-end epoxy resin floor made of solvent-free epoxy resin. It is widely used in many clean factories, dust-free workshops, aseptic workshops and other ground decoration.
Performance characteristics:
1. Use solvent-free epoxy resin and high-quality curing agent;
2, smooth surface, beautiful, mirror effect;
3, acid, alkali, salt, oil corrosion, in particular, good alkali resistance;
4, wear, pressure, impact resistance, there is a certain degree of flexibility.
5, Since the adventurous exhibition, smooth and seamless, dust-proof, smooth, easy to clean.
6, acid, alkali, salt chemical solvent oil corrosion.
7, epoxy resin 100% solids, durable, wear-resistant, impact resistance.
8, the surface is dense and flat, anti-fungal, non-toxic, tasteless, seamless and easy to clean.
9, construction is simple, fast, a variety of colors.
Floor features:
1. Use solvent-free advanced epoxy resin plus high-quality curing agent and good auxiliaries;
2, the surface is smooth, beautiful, mirror effect;
3, acid, alkali, salt, chemical solvents, oil corrosion, in particular, good performance of alkali resistance;
4, wear, pressure, impact resistance, there is a certain degree of flexibility.
Scope of application: Requires a highly clean, beautiful, dust-free, sterile electronic, microelectronics industry, the implementation of GMP standards in the pharmaceutical industry, blood products industry, requiring wear, resistance to pressure, impact resistance, anti-chemical corrosion of other industries Can also be used for schools, offices, homes and other floors.
Epoxy resin self-leveling floor construction process
Grassroots inspection and processing:
The grass-roots inspection includes the determination of the moisture content of concrete, the measurement of the flatness, and the measurement of the strength. Since the flatness and strength are relatively simple to measure, they are not described here. Because the moisture content has a great influence on the coating film, the measurement is introduced.
(1) Measurement of Moisture Content and Measurement of Moisture Content There are the following methods:
a) Plastic film method (ASTM4263): Put a 45cm×45cm plastic film on a concrete surface, and seal the four sides with tape for 16 hours. The water droplets or the surface of the concrete will appear black, indicating that the concrete is too wet and should not be painted.
b) Radio frequency test method: The moisture content is determined by measuring the radio wave difference transmitted and received through concrete.
c) Calcium Chloride Assay: The determination of the rate at which moisture escapes from concrete is an indirect method for determining the water content of concrete. The weight gain of the calcium chloride in the sealed container after 72 h is measured and its value should be ≤ 46.8 g/m2.
Concrete moisture content should be less than 9%, otherwise it should be excluded before the coating can be applied. There are several ways to exclude moisture:
a) Ventilation: Strengthen air circulation, accelerate air flow, remove moisture, and promote further evaporation of water in concrete.
b) Heating: Increase the temperature of concrete and air, accelerate the rate of water migration from the concrete to the surface, and allow it to quickly evaporate. Use forced air heating or radiant heating. The combustion products (including water) generated when directly heated by a fire source will increase the temperature of the air's fog, causing the water to condense on the concrete and should not be used.
c) Decrease the dew point temperature in the air: Remove moisture from the air by using dehydration dehumidifying agent, dehumidifier or introducing outdoor air (introducing the dew point of outdoor air below the concrete surface and above).
(2) Basic surface treatment methods: For leveling the ground, the following methods are commonly used:
a) Pickling method (applicable to oily ground): Clean the concrete surface with a mass fraction of 10~15% hydrochloric acid, wait until the reaction is complete (no more bubbles), rinse with clean water, and brush with the brush This method can remove the mud layer and get a finer roughness.
b) Mechanical method (applicable to large areas): Use sandblasting or electric grinder to remove surface protrusions, loosen particles, destroy capillary pores, increase adhesion area, and use vacuum cleaner to suck sand particles, impurities and dust. For more depressions and potholes, apply epoxy resin mortar or epoxy putty to repair before proceeding to the next step.
Summary: The relevant information on epoxy resin self-leveling floor construction process was introduced here for everyone. I hope this article will be helpful to everyone. If you still have something you don't understand, you can leave a message to Xiaobian at the bottom. We will answer your questions as soon as possible.
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