[ Electrical insulating materials; ] washers of rubber or vulcanized fiber; chemical fiber thread, not for textile use; rubber thread and covered rubber yarn, not for textile use; chemical fiber yarn and thread, not for textile use; insulating gloves; rubber cords and laces; industrial packaging containers of rubber; rubber stoppers for bottles; rubber lids and caps for industrial packaging containers; [ plastic sheeting for agricultural purposes; ] synthetic plastic semi-worked products in t...