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China Ningbo Jintian Copper Tube Co.,Ltd. is a wholly owned sub-company of Jintian Group, it is specialized in HVACR copper tubes, environmental protection copper water tubes and copper fittings.The main products are: LWC, Pancake Coils, ACR Straight Tubes, Capillary Tubes, Copper Water Tubes, Copper Fittings, insulated Copper Tubes and Plasic-coated Copper Tubes. Being of the top-class quality the products, Jintian Copper have been appraised as Name Brand Product of Ningbo City and Zhejing Province. We have passed ISO9001, ISO14001, UPC,SGS and TUV etc.,these promise that the products we produced are always of the best quality insulated copper tubes ItemUnitInsulated MaterialBCDAverage densityg/cm20.028-0.0380.025-0.0440.023-0.038Extensibilitykg/cm2Above2.5Above2.5Above2.0Mxa.temperaturec80100120Water absorbabilitymg/cm2Below0.1Heat transfer variablekcl/mxhxcBelow0.037Contract of thickness%Below7Fire-proofing testul-04Pass SpecificationCopper Tube Outer diameter×thickness(mm)Insulated Tube Inner diameter × thickness(mm)Suitable forLength(m)1/46.35×0.75Φ8(±0.5)×8(empaistic)Centralized air conditioner1--303/89.52×0.8Φ12(±0.5)×8(empaistic)1/212.70×0.8Φ14(±0.5)×8(empaistic)5/815.88×1.0Φ18(±0.5)×9(empaistic)3/419.05×1.0Φ22(±0.5)×9(empaistic)7/822.22×1.2Φ25(±0.5)×10(empaistic)125.40×1.2Φ28(±0.5)×10(empaistic)1-1/828.58×1.2Φ32(±0.5)×10(empaistic)1-1/431.75×1.5Φ35(±0.5)×10(empaistic)1-1/238.10×1.5Φ42(±0.5)×10(empaistic) SpecificationCopper Tube Outer diameter×thickness(mm) d2×t2/d1×t1Insulated Tube Inner diameter (mm)Suitable forLength(m)1/4×3/86.35×0.75/9.52×0.8Φ8(±0.5)/Φ12(±0.5)1HP1--301/4×1/26.35×0.8/12.7×0.8Φ8(±0.5)/Φ14(±0.5)1.5HP1--301/4×5/86.35×0.8/15.88×1.0Φ8(±0.5)/Φ18(±0.5)2HP1--203/8×5/89.52×0.8/15.88×1.0Φ12(±0.5)/Φ18(±0.5)3HP1--203/8×3/49.52×0.8/19.05×1.0Φ12(±0.5)/Φ22(±1)4HP1--151/2×3/412.7×0.8/19.05×1.0Φ12(±0.5)/Φ22(±1)5HP1--15note:1.We accept making of customized tube(Max.length=50m)2.The size of the outer diameter and the thickness can be customized with special orders3.Insulated tube can be make with black rubber material4.The two ends of tubes can be covered with copper head5.These are common sizes which the company is making,and unusaal sizes with special requirement can be tailor-made against order.