Hollow-profile transom bar for composite windows comprises an inner layer of glass sphere- or glass fibre-filled ABS and a thinner, outer layer of smooth, shiny, UV-resistant material

摘要

Hollow-profile transom bars for composite window panes comprise at least (1) an inner layer of glass sphere- or glass fibre-filled ABS (acrylonitrile-butadiene-styrene polymer) and (2) a thinner outer layer of smooth, shiny, UV-resistant material.