A brief introduction to anti-static floor knowledge

Product Overview:

Anti-static floor is also called dissipative static floor. It is a kind of floor. When it is grounded or connected to any lower potential point, the charge can be dissipated. The resistance is between 10 5 and 10 9 ohms. Is characterized by "GB50174-2008 Electronic Information System Room Design Specification" stipulates that: The surface resistance or volume resistance of the anti-static floor or floor shall be 2.5 x l0 4th power ~ 1.0 x 10 9th power ohms.

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Features:

1. Anti-static: The porcelain raised floor system is stable and durable. The system resistance is 1.0×10 6th power to 1.0×10 10 power Ω.

2. Anti-pollution: The porcelain brick surface improves the product raw material formula. The F6641 anti-static ceramic metal movable floor reduces the pores and reduces the size of the small pores, and coats the surface of the brick with a special coating to make it difficult for dirt to penetrate into the interior. In order to solve the "smear dirty" problem.

3, no radiation: The porcelain brick by the National Building Materials Testing Center testing, non-radioactive elements, safe, reliable, and ensure health, is the natural stone star ideal alternative material.

4, anti-aging: excellent quality, hardness of 7 degrees Morse, service life of more than 60 years.

5, strong carrying capacity: uniform load greater than 1600 kg / square meter.

Product Categories:

The anti-static floor is divided into two categories: anti-static floor and anti-static floor.

1, anti-static straight shop floor: generally divided into anti-static tiles, PVC anti-static floor and anti-static floor.

(1) Anti-static tiles

In the process of tile firing, anti-static powder is added for physical modification, so the anti-static performance is very stable. The resistance value is between 10 6 and 10 9 ohms, and the construction is convenient. The ordinary slusher Can shop.

Adding aluminum foil or copper foil under the floor can better enhance the electrical conductivity.

The advantage is that the antistatic performance is stable. This floor belongs to the national patent product green environmental protection (belong to green building materials), high wear resistance (0.1g/1000 rpm), anti-aging, long service life (more than 30 years), Class A fire prevention , Low water absorption (

(2) PVC anti-static floor

The use of sheet (usually 600 × 600mm) or coil material is directly paved, the installation speed is fast (but requires a professional installer to install, otherwise there will be arching foam phenomenon), anti-static properties are more stable, but easy to aging The anti-fouling ability is slightly inferior.

(3) Anti-static floor

a. The antistatic effect is long-lasting, free from influences of time, temperature and humidity;

b. Use solvent-free advanced epoxy resin and high-quality curing agent.

c, smooth surface, beautiful, moisture, mirror effect;

d, corrosion resistance to acids, alkalis, salts, and oils, especially good alkali resistance;

e, wear resistance, pressure resistance, impact resistance, there is a certain degree of flexibility.

2, anti-static floor activities are generally based on the substrate and veneer materials to different division. Base materials are steel base, aluminum base, compound base, particleboard base (wood base), calcium sulfate base, etc. Veneer materials are anti-static tiles, melamine (HPL), PVC and so on. There are also anti-static plastic floor, OA network floor and so on. The following is a brief introduction of several types of floors commonly used in the market.

(1) Ceramic anti-static floor

The use of anti-static tiles as a surface layer, composite steel floor or cement particle board, surrounded by conductive rubber edge processing (the ceramic floor without plastic strips easy to fall away when bumping porcelain). It has the advantages of stable anti-static performance, environmental protection, fire protection, high wear resistance, high life (30 years of service life), high load (uniform load of 1200 kg/m2), waterproof, moisture resistance, and good decorative effect. Class room. The disadvantage is that the floor itself is heavier (a floor of 15kg or more), which has a certain influence on the load-bearing of the floor; in addition, professional installation workers are also required to install it, otherwise the installation will be uneven.

(2) All-steel anti-static floor (non-standard type and national standard type)

The use of highly wear-resistant melamine HPL fireproof panels or PVC as the surface layer (in the northern part of the country because of the dry climate, it is not easy to use HPL fireproof panel veneers), steel shell structure base material, in addition to whether there are black plastic strips and there are no edges and edges The points.

General engineering companies choose non-standard types (difficulties in terms of conductivity and load carrying capacity, etc.) because of low prices. The use of national standards is required for high standards.

The advantages of the all-steel floor is that the construction is convenient, there is no gap problem after installation, and the replacement is convenient. The disadvantage is that the surface layer material is not wearable, the service life is short, and the skin angle is easy to change, and it will be replaced in a few years.

(3) Aluminum alloy anti-static floor

The product is made of high-quality cast aluminum. After being stretched and shaped, the surface layer is made of highly wear-resistant PVC or HPL veneer and electrically conductive adhesive. It has the effect that the substrate is not rusted and used repeatedly, thus effectively solving the composite floor. And all steel floor product defects, but tailor-made high-grade anti-static flooring, but its cost is too high.

Construction process:

1, process flow

Grassroots treatment and cleaning → find middle, suites, compartments, positioning elastic lines → install fixed brackets and guides → lay the floor of the movable floor → wipe and wax

2. Grassroots treatment and cleaning: The skeleton of the movable floor surface shall be supported on the cast-in-place concrete on the ground surface of cement mortar or ground floor of the terrazzo building. The surface of the grass-roots floor shall be smooth, clean and free of dust, and the moisture content shall not exceed 8%. The installation should be carefully wiped clean, if necessary, painted on the surface of the insulating grease or varnish.

3, find the middle, sets of squares, sub-grid, positioning, bomb line: According to the room size and layout of equipment, etc., according to the floor module to choose the direction of laying the plate, the specific conditions are as follows:

(1) If there are no control cabinets and other equipment in the room, and the plane size is in accordance with the module of the plate, it should be laid from the inside to the outside.

(2) If the size of the indoor plane does not conform to the module of the plate, the center lines of the two directions in the room should be found. Look at the difference between the two sides of the size, if the difference is not obvious from the outside to the inside; if a large difference, it is appropriate to carry out a symmetrical grid, laying out within the range.

(3) If there are control cabinets and other equipment inside the room to leave the hole, its laying direction and sequence should be considered comprehensively. After the above selection method is determined, it is necessary to carry out work of finding, setting, dividing, positioning, and bombing. It is necessary to play the surface dividing line on the indoor wall (also called the panel position control line, which is convenient for the construction operation control), and to put the subdivision line on the grass-roots level, and it must be the correct size, up and down the circle The counterparts shall form square grids and mark the locations reserved for the equipment (in this case, the pipelines under the paving floor should be inserted to avoid the brackets that have already been marked).

(4) Installation of fixed adjustable brackets and rows: First of all, check the elevation control lines projected around the perimeter walls of the original check room, determine the laying reference point according to the selected laying direction and sequence, and then press the base layer The marked position is placed on the intersection point of the grid grid, and the adjustable support is placed on the intersection of the grid grid. The crosshead screw is rotated on the frame and the height of the support surface is adjusted to the full height of the room with a small line and a horizontal ruler. After the frame is integrated, use a spirit level to make a leveling. The space between the base of the steel strut and the bottom surface should be filled with epoxy resin to be firmly connected.

(5) Lay the floor of the movable floor: First, check the cables and pipelines laid under the floor of the movable floor to ensure that there is no error before laying the floor of the movable floor.

(6) Cleaning and Waxing: If it is not a thoroughfare or due to the special requirements of the installation process, wipe the floor and wipe the floor wax. When partially contaminated, wipe it with gasoline, alcohol, or soap and lock the door. The main roads or unfinished rooms should be cleaned with plastic sheets and then covered with rubber sheets of 3 mm or more. After the entire process is finished, they must be wiped and waxed.

Applications:

1, sector industry:

Anti-static raised floor is mainly used in computer room, data processing center, laboratory, microwave communication station room, program-controlled telephone exchange room, mobile communication room, satellite ground station room, radio control room, television transmission station control room, broadcast control room, monitoring Room, central control room, etc.

2, microelectronics industry:

Anti-static products have a wide range of applications in the microelectronics industry for the assembly of electronic components, semiconductors, electronic products and large-scale, ultra-large-scale integrated circuit clean room, to avoid static electricity generated by the human body moving in the workshop. The control of electrostatic discharge is harmful to computer communications, various types of electronic equipment, and electrostatic sensitive devices, and prevents internal damage to the computer's memory and electronic devices.

3, other applications:

It is used for electrostatic-sensitive munitions, flammable and explosive places, petrochemical plants and hospital operating rooms, anesthesia rooms, oxygen bars, and other places with anti-static requirements.

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