Tender For supply of double sealed window glass consist of one (01) clear toughened glass 819 x 369 x 05 mm (t hick) & one (01) polycarbonate sheet 819 x 369 x 6 mm (thick) with 7.38 mm aluminum separator. the 7.3 8 mm gap is filled with argon gas .total thickness of double sealed window glass is 18.38 mm. corner curva ture (radius) r-102 [ warranty period: 30 months after the date of delivery ]