... light pollution6. Various Sc 0.30-0.60 to control solar energy transmittanceSizeMax: 2500-4000mm Min: 350-180mm Custom size ... of glasses between 3mm and 19mm thickGlass specification6mm toughened Low E outer, 16mm spacer argon gas filled, 6mm toughened float ... be combined by float clear glass, tinted glass, solar reflective glass, Low E glass, laminated glass, tempered glass, heat-strengthened glass ...