Specification :

Sampo Industrial manufactures a range of seamless copper tube in soft and hard drawn straight lengths supplied for use in manufacture, installation and maintain of refrigeration & air-conditioning field service This tube is dehudrated, contamination cleaned & capped to reduce refrigerant.

Capping & Ink Marking
The standard air-conditioning and refrigeration grade copper tube is distinguished by blue colored capping. The tube is also continuously identified with blue ink-marking along its lengths indicating "ACR", manufacturer's name, country of origin, conforming standard, size and lot number which enable to the tubing to be traced back to the origin of manufacture.

END - CAP : BLUE
INK MARKING : (1) PANCAKE COIL - NO MARK (2) STRAIGHT - BLUE
INCISION : TRADEMARK OF THE MANUFACTURER + ACR