... ,corrosion resistant. Polycore PC honeycomb is specially three dimensional structure,so it's more steady and ... -40 + 110 celsius degree *-- Available transparent and in colors* FEASURESLight WeightHigh strength to Weight RatioStiffnessMoisture ,Chemical, Corrosion ... applied in solar air heating, warming, drying** chinese circular hole Polycarbonate honeycomb core plastic sheet in stock made in china