This standard applies to cylindrical tubes by DIN 5061 part 2 (at present draft). It is also applicable for not standardized tubes which are in nominal commercial usage.
DIN 5059-2:1990 history
2012DIN 5059-2:2012-04 Packaging - Metallic and flexible plastics tubes - Part 2: Flexible plastics tubes; Tube nozzles
2012DIN 5059-2:2012 Packaging - Metallic and flexible plastics tubes - Part 2: Flexible plastics tubes; Tube nozzles
1990DIN 5059-2:1990 Packaging; metal and plastic tubes; plastic tubes; tube nozzles