K11

Chemical preparations for use in industry; Chemical products for preventing scale; Chemicals for industrial purposes; Degreasing preparations for use in manufacturing processes; Descaling preparations for industrial purposes; Descaling preparations, other than for household purposes; Refrigerant gas for use in air conditioning equipment and cooling and refrigeration appliances; Degreasing solvents for use in manufacturing processes

Cleaning preparations; Cleaning agents and preparations; Cleaning preparations for use in ventilation, heating and cooling equipment; Detergents for household use; Polishing preparations; Chemical cleaners directed to the ventilation, heating and cooling equipment industry; Degreasing preparations for cleaning purposes

Lubricants for machines; Lubricating greases; Lubricating oils for industrial purposes; Lubricating oils for use in ventilation, heating and cooling equipment; All-purpose lubricants; Industrial lubricants

Sealing and insulating materials; Air duct adhesive sealant compounds for use in the heating and cooling industry; Insulation tape for use on pipes and other air conditioning, refrigeration, heating, and ventilation equipment