Most drain clogs are made up of hair, toilet paper, and food debris held together by a "cement" of cooled fat. It is enough to dissolve it - and the crushed cork will naturally go into the main sewer. Sila Super No. 1 A pipe cleaner based on caustic soda and sodium chloride is ideal for this task.
Operating time - 15-30 minutes. Works in warm and cold water. Removes complex blockages, fat, hair. Prevents bad smell. Antimicrobial effect. Suitable for copper, metal, metal-plastic, polypropylene pipes.