Covering fireproof for steel and reinforced concrete structures of KEDR-MET-S01
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Covering fireproof for steel and reinforced concrete structures of KEDR-MET-S01
Fireproof covering (OZP) of "KEDR-MET-S01" apply to protection of the steel and reinforced concrete bearing structures in buildings and constructions of various type, including on objects of civil and industrial engineering inside and outside (under a roof) rooms at temperatures of operation from -50 °C to + 60 °C and relative humidity to 90% when using a moisture protective layer.
OZP raises limits of fire resistance of designs to the maximum sizes:
a) steel structures till 240 minutes (GOST R-53295);
b) reinforced concrete plates of overlapping till 180 minutes (GOST 30247.0, GOST30247.1).
OZP "KEDR-MET-S01" let out in the form of light dry plaster mix which after mixing with water is applied on a surface with plaster SO-150A, SO-154 units.
Key advantages
1. The low specific price of a covering, rub/m ² (see
the price list
) at achievement of the advanced operational characteristics;
2. The shortened cycle and low cost of process of drawing;
3. Fast payback of the equipment (plaster cars, available at the price);
4. Ecologically faultless material;
5. A possibility of receiving a covering from 8 to 60 mm thick on designs of any configuration;
6. A possibility of fire protection of reinforced concrete and steel structures in the wide range of limits of fire resistance.
Properties
OZP "KEDR-MET-S01" represents light heat-insulating plaster mix on the basis of a vspuchenny mineral of vermiculite. The complex of the modifying and reinforcing additives allows to receive unique technical and operational characteristics (Table 1).
OZP "KEDR-MET-S01" at a thickness of layer of 28 mm provides fire resistance limits:
a) steel structures with the specified thickness of 3,4 mm - 150 minutes;
b) reinforced concrete plates of overlapping of the personal computer series - 180 minutes.
Distinctive feature of a covering of "KEDR-MET-S01" from the majority of domestic and foreign analogs is the shortened cycle of formation of OZP. Time is saved, costs of carrying out fireproof works decrease. The main characteristics of OZP "KEDR-MET-S01" are provided in table 1.
Table 1. Technical and operational characteristics of OZP "KEDR-MET-S01".Name of an indicator | Requirements for TU 2149-004-71487193 with amendment No. 1 |
1. Color | Gray or with a decorative covering according to the RAL catalog |
2. Density of dry mix, kg/m ³ | 250±25 |
3. Density of the hardened covering, kg/m ³ | 250 — 300 |
4. Heat conductivity coefficient at t=25 °C, W / (m*0s) | 0,084 |
5. A thickness / expense for receiving 1 group of fireproof efficiency for steel structures | 28 mm / 8,4 kg/m ² |
6. Service life in rooms not less, years | 25 |
7. The maximum limit of fire resistance for steel structures, min. | 240 |
8. A thickness / expense for fire protection / concrete plates of overlapping with a limit of fire resistance of 180 min. | 30 mm / 9,0 kg/m ² |
9. Air temperature and the protected surface when drawing OZP, is not lower than a °C | +5 |