The Ca – Za technology
A specific group of components referred to as stabilizers play a crucial role in the manufacturing process of polyvinyl chloride (PVC). The stabilizers are applied to provide desired physical and chemical parameters of plastic materials, including insensitivity to ageing processes. For that purpose most of European manufacturers use harmful lead-based stabilizing agents. On contrary, FORIS entirely expelled heavy metal from the manufacturing process and substituted them by human-friendly admixtures based on calcium (lime) and zinc. Nevertheless, such a replacement has led to no deterioration of physical or chemical parameters of our windows yet in case of some properties such as durability of colours our solutions are even better than the old ones.