... with Siliconized release paper liner. It is self adhesive aluminum foil tape SpecificationsApplication : For coupling and sealing pipe joints in ventilation ... ventilation, air condition and refrigeration.Material: aluminum foil, adhesive :sollvent acrylic or water acrylicAluminum foil thickness : 15, 30, 40, 50 Micronpackage ... + corrugated board wrapping + wooden case. self adhesive aluminum foil tape