This part of GB/T 23615 specifies the requirements, test methods, inspection rules and signs, packaging, transportation, storage and contract (or order) content of heat insulation strips for aluminum alloy building profiles. This part applies to polyamide heat-insulation strips (hereinafter referred to as heat-insulation strips) for aluminum alloy building profiles made of polyamide and extruded. Other types of insulation strips may refer to this section.