在隧道頂部測(cè)試防火板的指標(biāo)是其耐火性?？紤]到隧道的安全性，所選隧道的防火裝飾板必須是質(zhì)量好板。無(wú)機(jī)預(yù)涂板用于制造防火板基材。該板具有不錯(cuò)的防火性能，硅酸鈣板的熔點(diǎn)可達(dá)到A1級(jí)不燃性，并且其抗裂性再次提高了很多效果。作為隧道防火板，該材料必須屬于無(wú)機(jī)預(yù)涂板作為主要材料。

Fire resistance is the index to test the fire board on the top of the tunnel. Considering the safety of the tunnel, the fire-proof decorative board of the selected tunnel must be of good quality. Inorganic precoated board is used to make the base material of fireproof board. The board has good fire resistance, the melting point of calcium silicate board can reach class A1 non combustible, and its crack resistance is improved again. As a tunnel fire board, the material must belong to inorganic precoated board as the main material.
              

防火板材料實(shí)際上分為兩種，一種是無(wú)機(jī)防火板材料，另一種是有機(jī)防火板材料。有機(jī)材料具有更好的隔熱性能，價(jià)格相對(duì)便宜，但其耐火性并不理想，其燃燒性能甚至無(wú)法達(dá)到B2防火等級(jí)。二是無(wú)機(jī)材料(如巖棉板和泡沫玻璃)的耐火性可達(dá)到A1級(jí)。

In fact, there are two kinds of fireproof board materials, one is inorganic fireproof board material, the other is organic fireproof board material. Organic materials have better thermal insulation performance and relatively cheap price, but their fire resistance is not ideal, and their combustion performance can not even reach the B2 fire rating. Two, the fire resistance of inorganic materials, such as rock wool board and foam glass, can reach A1 grade.

隧道防火裝飾板是國(guó)家認(rèn)可的綠色環(huán)保建材。根據(jù)不同的需求可以配備不同的顏色。該板具有耐酸，堿，耐腐蝕，抗菌，耐候，耐濕，防火等高質(zhì)量特性。該板可重復(fù)使用，維護(hù)成本低。

Tunnel fireproof decorative board is a green environmental protection building material recognized by the state. According to different needs can be equipped with different colors. The board has acid, alkali, corrosion resistance, antibacterial, weather resistance, moisture resistance, fire and other high quality characteristics. The board can be reused with low maintenance cost.