Novel tunnel fireproof paint
A technology for fire-resistant coatings and tunnels, applied in fire-resistant coatings, anti-corrosion coatings, chloroprene homopolymer coatings, etc., which can solve problems such as difficulties in evacuation and fire fighting, easy burning and high density of people, and achieve light bulk density and avoid Explosion, good effect of fire resistance and heat insulation
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Embodiment 1
[0009] Example 1 A new type of fireproof coating for tunnels, the fireproof coating is composed of the following components in parts by weight: 26 parts of phosphate, 14 parts of silicate, 18 parts of neoprene emulsion, 6 parts of water-soluble glass fiber, magnesium hydroxide 38 parts, 6 parts of alumina, 4 parts of ammonium borate, 11 parts of sepiolite, 26 parts of asbestos powder, 14 parts of expanded perlite, 10.8 parts of polyvinyl chloride, 6 parts of pentaerythritol, 3.5 parts of vermiculite, 4 parts of ammonium dichromate part, 1.8 parts of dispersant.
[0010] Coating thickness: 10mm; fire resistance limit: 80min; surface dryness: 10h; water resistance: after 24h test, the coating will not crack, fall off, swell or change color.
Embodiment 2
[0011] Embodiment 2 A novel fireproof coating for tunnels, characterized in that the fireproof coating consists of the following components in parts by weight: 38 parts of phosphate, 10 parts of gypsum, 24 parts of neoprene emulsion, 8 parts of water-soluble glass fiber, hydrogen 46 parts of magnesium oxide, 8 parts of aluminum oxide, 6 parts of ammonium borate, 14 parts of sepiolite, 29 parts of asbestos powder, 16 parts of expanded perlite, 11 parts of polyvinyl chloride, 8 parts of pentaerythritol, 6 parts of vermiculite, dichromic acid Ammonium 4 parts, dispersant 4 parts.
[0012] Coating thickness: 12mm; fire resistance limit: 75min; surface dryness: 12h; water resistance: after 24h test, the coating will not crack, fall off, swell or change color.
Embodiment 3
[0013] Embodiment 3 A new type of fireproof coating for tunnels. The fireproof coating is composed of the following components in parts by weight: 24 parts of phosphate, 18 parts of gypsum, 18 parts of neoprene emulsion, 4 parts of water-soluble glass fiber, and 38 parts of magnesium hydroxide , 8 parts of alumina, 4 parts of ammonium borate, 10 parts of sepiolite, 29 parts of asbestos powder, 14 parts of expanded perlite, 10 parts of polyvinyl chloride, 4 parts of pentaerythritol, 4 parts of vermiculite, 1 part of ammonium dichromate, Dispersant 0.8 parts.
[0014] Coating thickness: 13mm; fire resistance limit: 70min; surface dryness: 11h; water resistance: after 24h test, the coating will not crack, fall off, swell or change color.
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