... ) non-solidified, flexible, good adaptability(2) Water-proof and anti-corrosion, good anti-UV performance, life time up to 20 years. (3) Easy ... .9stainless steel panelN/cm36.5Glass panelN/cm39.3UV resistanceIrradiate under UV light 200hNo changing color, no turning hard, no crack, keep ... test. 2. Life time 20 years based on 100 hours UV resistance/year.6,Explanation (1) Butyl tape should be stored ...