1, the need to block the hole, before blocking to clean up, oil removal, dust removal treatment, and the cable in order to comb neatly.

2, will be taken out of the explosion-proof mastic kneaded into a dough-like. If the temperature is too low, the plugging material together with the plastic film package can be placed in 40 ~ 70 ℃ of warm water heating, to be soft and then take out the construction.

3, the cable hole filling process, the use of its arbitrary deformation of the characteristics of the direct hand or auxiliary tools will be plugging material evenly spread (embedded, fill) in the holes, gaps, plugging thickness should be the same as the hole