Traditional

Polypropylene fiber can not be colored by any of the traditional dyes because of their chemical inertness. The molecules of fiber does not contain reactive groups, and its structure is quite dense, so that the dye molecules can not penetrate into the fiber. Thus, the dyes added to the polypropylene fiber immediately before the extrusion, […]



Housing Fund

At the same time for different climatic zones there are products with certain characteristics. Due to this the cost of heating can be optimized regardless of weather conditions. The specialist noted that increasingly, in the overhaul of used pvc profile of a higher class. As an example he cited a draft of glazing 23 houses […]