a manufacturing process of structural porosity seat

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The present invention refers to relates to manufacturing method of porous sheet for construction. Configured features include a cross-linked poly having flammability, or-linking non-cross-linked polyethylene (PE) and polypropylene (PP), mixing, or a combination of such starting at foam formed of 3-10mm method in the particles and through the, those particles in hot air and heater roll or rolling product beneficial for the body such as the mixed is press formed presses together with or fabricated from a sheet of the tabular, or hot melt (Hot melt) the mixture of a thermoplastic resin such as behind, rolling roll or presses together with pressure molding the product provides method for producing sheets of. Furthermore, said sheet manufacturing method added flame retardants such as magnesium hydroxide in a sheet and the flame retardant can be obtain sheets excellent, brilliant re-and said flame retardants or together with sodium silicate except that the fireproof addition of may yield an excellent sheet. A crosslinked sheet-shaped structure thus produced, in, or-linking non-cross-linked processing polyethylene (PE) and polypropylene (PP), , or a combination of such mixing foam itself formed minute bubbles is maintained as it is the sound absorbing, sound, insulation, is is optimized effect to re-position , maximize productivity is is extremely simple manufacture apply the atmospheric pressure, which is optimized is winding should be positioned in an manufacturer is characteristic of this such as is follows. Furthermore, an extremely excellent, building is particularly outstanding, and refractory and [...] of which is optimized using as such as porous sheet building according characteristics of is to provide.