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Tunnel Fireproof Coating
Description:
This ZB tunnel fireproof coating (fireproof painting for concrete) is mainly used in concrete floor, and underground engineering of roads, railways, tunnels, and so on.
Instructions:
1. The steel structure should rust processed and pre-coated with anti-corrosive primer. The quality of cement mortar and concrete base is required to meet the standard of JGJ73-91 specification in China (It is the China standard in construction and acceptance of building decoration projects). In case of residual film, the remaining loose film has to be cleared out, and make sure the steel structure is smooth and neat. If there are cracks on the surface, make the surface flat with a paint filler.
2. Surface priming process is important before you paint the tunnel fireproof coating, with the priming coat 1-2mm thick, and uniform.
3. The tunnel fireproof coating (fireproof painting for concrete)is powdery mixture, so it has to be prepared on site for instant use. Please mix the coating until it is viscous, and use up the prepared paint as soon as possible.
4. Generally speaking, the tunnel fireproof paint (fireproof painting for concrete) coated for the first time should be 6-10mm thick, while the time interval for the next coating depends on environmental temperature.
Parameters
| Inspection Items | Technical Indicators |
| State in Container | Uniform, fine, smooth, and with no clumps after mixing. |
| Surface Drying Time (h) | ≤24h |
| Dry Density (kg/m3) | ≤800 |
| Binding Strength (Mpa) | ≥0.1 |
| Water Resistance (h) | ≥720 (No splitting, cracking, or peeling, and slight bloating and color changing allowable) |
| Acid Resistance/h | ≥360 (No splitting, cracking, or peeling, and slight bloating and color changing allowable) |
| Alkali Resistance/h | ≥360 (No splitting, cracking, or peeling, and slight bloating and color changing allowable) |
| Resistance to High-low Temperature Cycle (times) | ≥15 (No splitting, cracking, peeling, or color changing) |
| Humidity Resistance | ≥720 (No splitting, cracking, peeling, or color changing) |
Founded in 1976, Zhongbang Chemical Group Co.,Ltd is a professional manufacture and supplier of tunnel fireproof coating. Besides tunnel fireproof coating, we can also provide fireproof coating (fireproof paint), floor paint, wall paint, epoxy primer, acrylic coating, alkyd primer (alkyd paint), and so on. All of our products have passed the certification of ISO9001: 2000. Our products have been well received by customers from Russia, Spain, Ukraine, Holland, India, Mexico, and many countries and regions in Africa. If you need high quality tunnel fireproof coating and want to know more information, please contact us freely.
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