Description: Aluminum foil bubble film is comprised of layers of polyethylene air bubbles (single/double) sandwiched two layers of 99% pure aluminum foil. The polyethylene encapsulated air bubbles serve as an effective thermal break as well as vapor barrier, while the two outer layers of aluminum reflect up to 97% of all of the radiant heating energy. 

Specification: 
1. LXW: 50/40*1.2M (custom also available) 
2. Thickness: 
(1) Single bubble: 3-3.2mm 
(2) Double bubble: 6.5-7mm 
3. Bubble diameter: 9mm, 10mm, 20mm 
4. Weight: 
(1) Single bubble: 250g/m2, 280g/m2, 320g/m2, etc 
(2) Double bubble: 320g/m2, 350g/m2, 380g/m2, 400g/m2, etc 
5. Color: Silver