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WH outdoor thick steel structure fireproof coating

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WH outdoor thick steel structure fireproof coating

WH outdoor thick steel structure fireproof coating is composed of chlorine partial emulsion, aluminum silicate fiber cotton, expanded vermiculite, aluminum-resistant refractory cement and additives. It is an inorganic heat-insulating fire-proof thick coating outdoor steel structure.
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Number of views:
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产品描述

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product manual
WH outdoor thick steel structure fireproof coating is composed of chlorine partial emulsion, aluminum silicate fiber cotton, expanded vermiculite, aluminum-resistant refractory cement and additives. It is an inorganic heat-insulating fire-proof thick coating outdoor steel structure. Fire retardant coating, free of asbestos and hazardous materials. Sprayed on the surface of the steel structure, usually used as a decorative effect. In case of fire, it can expand and thicken and carbonize, forming a sponge-like carbon layer that is not easy to burn, thereby improving the fire resistance limit of the steel structure to more than 3 hours, winning the fire extinguishing time and effectively protecting the steel. Structural buildings are protected from fire.
Product Usage
It is used for fireproof coating of beams, columns and steel pipes of petroleum, petrochemical, chemical, electric power, metallurgy, sports stadiums, high-rise buildings, airports, station waiting rooms and industrial plants with exposed load-bearing steel structures. In outdoor coating, it can be matched with acrylic, polyurethane and other topcoats for aging and weatherproof protective coating, effectively protecting the fireproof coating from damage due to atmospheric corrosion.
Physical characteristics
colour

Gray or white

Volume solids

60±3%

Recommended film thickness

Dry film: 8~24mm
Wet film: /

Theoretical dosage

Fire resistance limit of 1 hour, spray thickness 8mm, 5~7kg/m2
Fire resistance limit of 2 hours, spray thickness 16mm, 10~12kg/m2
Fire resistance limit of 3 hours, spray thickness 24mm, 15~18kg/m2

Dry(23±2℃)

≤8h

Hard work(23±2℃)

≤24h

Complete maintenance(23±2℃)

7d

Surface treatment
The surface of the steel structure is sandblasted to Sa21/2 or above (manually or mechanically polished to St3 or higher), sprayed with anti-rust primer and intermediate paint. When painted on the primed surface, the surface to be coated should be kept dry. Clean and free of debris.
Construction instructions
The mixing ratio

Single component
Stir well with mechanical agitation

Maturing time

/

Validity period

Unlimited(The bucket lid is tightly closed after opening the barrel for later use)

Interface agent

Thick fire retardant coating interface agent

Construction method

Painting method

Brushing, roller coating (applicable)

Air spray (applicable)

Airless spray (recommended)

Dilution rate

0~10%

/

0~5%

Airless spray: Airless spray: Spraying is carried out using a special sprayer (a funnel sprayer with a pressure of 6 kg is recommended).
Recoat interval
Construction temperature

5℃

20℃

30℃

Minimum recoating time

24h

16h

8h

Maximum recoating time

Unlimited

Unlimited

Unlimited

* When the paint film is exposed to excessive exposure for a long time, it will be pulverized, which will adversely affect the adhesion of the heavy coating. Therefore, the surface of the paint film must be subjected to brushing, sand sweeping or high-pressure fresh water rinsing, and sufficient time can be maintained during recoating. Interlayer adhesion.
Tool cleaning
All tools must be cleaned with pure water after use
Safety
Use this product with care. Please refer to the MSDS of this product before starting work.
Please pay attention to the safety precautions on the packaging label before and during use. In addition, the safety regulations prescribed by the relevant national or local government should also be observed.
Personal protection includes, but is not limited to, lung, eye and skin protection. If swallowed or otherwise in contact with this product, seek medical attention immediately. Precautions must be taken to prevent fire, explosion and environmental protection.
Precautions
The construction site shall be protected from open flames and may only be constructed in a well ventilated condition. Strong ventilation is required in applications where it is confined or where air is not circulating.
Air humidity: When the relative humidity of the air is greater than 80%, construction is not recommended.
Ambient temperature: When the ambient temperature is below 5 °C or above 40 °C, construction is not recommended.
Surface temperature of the substrate: When the surface temperature of the steel is lower than the dew point temperature of 3 °C, the construction is not recommended. If the surface temperature of the steel is too high, the surface of the paint film will be defective. Therefore, when the surface temperature of the steel is higher than 50 °C, the construction conditions should be adjusted and it will be noon. The construction will be moved to the morning and evening, or the awnings will be erected or moved to the workshop.
Other aspects: There should be good ventilation during construction. When painting, it should prevent the surrounding environment from causing pollution to the paint film, such as sandblasting and paint fog lamps. Avoid construction in the case of rain, snow, fog, sandstorms, and stop construction in areas with strong winds or high pollution. Excessive ventilation will cause the coating to dry too quickly and the paintability of the coating will deteriorate, and a large amount of pollutants ( Such as sand, salt particles, corrosion deposits) will cause the film properties to deteriorate, and the loss will increase.
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Widely used in petrochemical, marine engineering, engineering machinery, various types of ships, steel structures, bridges, wind power facilities, containers, etc., supplemented by floor coatings, fireproof coatings, temperature-resistant coatings, interior and exterior wall coatings, etc. .

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