
Insulated Copper Connecting Tube for Air Conditioner. Three-Layer Insulation Structure: Composed of inner water crosslinked pipe, middle irradiation crosslinked layer, and outer UV resistant PE film. Fire Retarded Safety: Emits non-toxic smoke and meets UL-HF-1 (US) and M1 (France) fire safety standards. Customizable Dimensions: Wall thickness, length, and insulation coating can be fully customized to specific requirements. Long Service Life: Proven durability of 8-10 years under normal use conditions with no pin holes or cracks. Energy Efficient Design: Low water absorption and excellent thermal insulation retain temperature and save energy. Comprehensive Certifications: Certified with CE, ISO, RoHS, and compliant with ASTM B88, B837, B306, and B883 standards. Flexible Customization: Offers full customization including copper nuts, pipe sizes, and specific insulation parameters.