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Organic fire blocking material Product Description DR-A3-YHD-II-type organic fire blocking material is my company successfully developed new products based on GB23864-2009 standard and has high fire resistance, low smoke emission. The product also has good plasticity, acid, alkali, corrosion resistance, construction, maintenance more convenient, and with other sealing materials (such as fire package, etc.) into applications. DR-A3-YHD-II-type organic fire blocking materials suitable for plugging holes in industrial and mining enterprises, high-rise building, shipbuilding, metallurgy, power generation, telecommunications in the wires, cables and other objects through the wall when, in order to prevent the occurrence of a fire flame from the hole spread to the neighboring room. Construction method: 1, the organic fire blocking material balled taken shape, if the temperature is too low, blocking material can be placed along with the package 40-70 degrees Celsius warm water heating before proceeding. 2, to be plugging holes, sealing the former need cleaned. 3, the blocking material evenly ground floor, inlay, filling in the holes in the gap, for larger holes, can be used as a flame screen frame to increase the strength. Packaging and transportation: 1, DR-A3-YHD-II-type organic fire blocking materials with heavy-gauge plastic bag plus carton packaging, suitable stored in cool, dry place, temperature should be at 0-45 ℃. 2, the blocking material belongs to non-flammable, non-explosive, non-toxic, tasteless, non-corrosive solids security plasticity, transportation should avoid the sun and rain. Performance indicators Appearance density water resistance and oil resistance to corrosion fire performance plastic solid, with some flexibility 2.0 × 103kg / m3 ≥3d, no swelling ≥3d, no swelling ≥7d fire resistance of a fire blocking material ≥180min