Sampo Industrial manufactures a range of seamless copper tube supplied for use in medical gas systems, identified as type K & L - fitted with plastic caps after cleaning to maintain the clean interior surface.
Our type K & L (cleaned and capped) is also specially cleaned for use in medical gas systems and meets the same allowable residue limit of 0.038g/㎡ of interior tube surface area.

Capping & Ink Marking
The medical gas copper tube is plugged with blue inner cap and identified with continuously ink marking along its length indicating the 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) L TYPE - BLUE   (2) K TYPE - GREEN
INCISION  :  TRADEMARK OF THE MANUFACTURER + TYPE K or L/ACR