A top executive with the cladding panel industry said non fire-rated panel cores are made of low density polyethylene, a petrochemical product that burns within minutes compared to certified fire-retardant
panels that repel fire.
However, if the covered wood is exposed to the fire for a long period of time, the fire-retardant
layer is eventually destroyed along with its protective function.
Three different fire-retardant
chemical formulations were used in treatments: a mixture of BX and BA ([Na.sub.2][B.sub.4][O.sub.7] x 10[H.sub.2]O and [H.sub.3]B[O.sub.3]; BX/BA, 1:1 by weight), MAP (N[H.sub.4][H.sub.2]P[O.sub.4]), and DAP [[(N[H.sub.4]).sub.2]HP[O.sub.4]].
These epoxy-based fire-retardant
coatings are either very water resistant or virtually waterproof in both salt and fresh water, in addition to being resistant to most acids and alkali--and they can be molded, vacuum formed, brushed, rolled, sprayed, or applied in any way the user may choose.
treatments for wood and plywood are waterborne systems.
The results shown below compare maximum corrosion rates for red phosphorus, bromine, and chlorine fire-retardant
wire and cable products on copper targets exposed to smoke after a 50 kW/|m.sup.2~ heat flux in a humid environment.
Recently, an organic phosphate phosphorus-nitrogen-boron multiplex fire retardant called FRW, which stands for fire-retardant
wood, was synthesized at Northeast Forestry University, Harbin, China (Wang et al.
Fire performance materials in Japan are classified into three categories: noncombustible material, quasi-noncombustible material, and fire-retardant
The key component to the new system is the ultra-effective fire-retardant
Transparent and odourless, the product can be sprayed on "anything that absorbs water", to make the material fire-retardant
, said Elshafie.
This is in line with the growing demand for environment-friendly and fire-retardant