... ~6 months.2) Anti-aging Long life PE Film: With Anti-aging additives, thickness from 60 micron to 140 micron ... anti-fog, weather resistance, good light-transmission, and warm-keeping. With use life not less than 20 months.4) Thermal PE ... film, mylar, polyester film, polyethylene film, transparent film, roll film, clear plastic, thermal film,Plastic mulch, ground film, earth film, cover film, greenhouse ...