REGUA PERFILADA PARA CONSTRUCAO,ESPECIALMENTE REGUA PERFILADA PARA A FABRICACAO DE CAIXILHOS DE JANELAS E METODO PARA FABRICACAO DA MESMA

摘要

The strip comprises a tubular section of thermoplastic material, e.g. PVC, and a fill comprising a matrix of methylmethacrylate with silicate spherules as a filler, reinforced by glass filaments under tension. In production, cold methylmethacrylate is pressed in the extruded section while it is still hot.