Dolphin 200 Aluminum Foil Tape is a soft aluminum foil coated with hot melt pressure sensitive adhesive of excellent adhesion and self-wound on a release liner Commonly used on HVAC and construction industry Thermal conductivity, heat and light reflectance Suitable for general purpose holding, patching and sealing Coupling and sealing pipe joints in ventilation, air conditioning, and refrigeration systems Application surface should be dry, dust, rust, and grease-free For the best performance, apply the tape at room temperature (between 15°C and 45°C) Can lasts for 12 months when stored in a dry and cool storage place, at temperature +25°C or below and 50% relative humidity Do not store in direct sunlight