This heavy-duty fire retardant film is made from Polyethylene and is used primarily for construction.  The flame retardant sheeting comes in a natural white color, and each product is described in detail with data sheets.  Some include the PolyFlam RCP 500c 01 additive.  

All polyethylene sheeting manufactured for use in construction and agricultural applications. Our flame retardant products are manufactured to meet or exceed the minimum physical property requirements as required by ASTM Standard – E154-88 with reference and including ASTM-C168, D828, E84, E96 and E241 depending on which product you select.