The thermal insulation strip is composed of polyamide (PA66) and 35% GF glass (GF). The color is black.It is mainly used in high-grade aluminum alloy doors and Windows, framed curtain wall, high-grade broken bridge aluminum, energy saving and environmental protection is the main melody of nylon heat insulation, its application, to the doors and Windows of the wind pressure resistance, water tightness, air tightness three main performance plays a decisive role.