| 摘要 |
<p>The invention features a composite material comprising a gypsum partitional slab coated on at least one of its 2 surfaces with a cardboard or paper ply, characterised in that the said ply is impregnated with an active insecticide material of the 1-phenyl pyrazol type, in particular 1-[2,6-Cl24-CF3phenyl]3-CN 4-[SO-CF3]5-NH2 pyrazol. It provides an insect protection method for dwellings against the damage caused by borers, in particular termites, characterised in that such a composite material is fixed on at least 50 %, preferably 95 %, of the total surface area of the internal face of partitions and walls.</p> |
