... 22 Small/OEM orders are welcome Refrireation and Plumbing Insulated Copper Tube Specifications:1) Classification: PE coated copper ... ) Healthy and non-toxic, bacteriological neutral, conforming to drinking waterstandards2) Resistant to high temperatures (110°), good impact ... , hotels, school and office buildings, ship building2) Drinking water systems and food industry pipe works3) For transportation ...