astm b280 copper tube with greenish black streak

{"cid":"91219706","title":"ASTM B280 Air Conditioner Copper Tube With Greenish Black Streak","imgUrl":"https:\/\/img.chinax.com\/nimg\/be\/86\/89f46f91fa3f56019383390bc130-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"Tisco","Model Number":"C2700,C11000,etc.","Minimum Order Quantity":"1 Ton","Delivery Time":"7 Days","Place of Origin":"Shandong, China","Certification":"GB, AISI, ASTM, ASME, EN, BS, DIN, JIS","Packaging Details":"Step 1 - cover sheet with PVC protective film. Step 2 - protect the sheets with waterproof paper and wood. Step 3 - the plates will be loaded and shipped. Each steel plate is well supported and strengthened.","Payment Terms":"L\/C T\/T (30%DEPOSIT)","Supply Ability":"10000 Tons per Month","Uses":"Electrical Conductivity","Fracture":"Uneven","Tenacity":"Ductile","Color":"Orange-Red","Transparency":"Opaque","Luster":"Metallic","Crystal System":"Isometric","Specific Gravity":"8.9-8.96"}}