supply of light weather proof and fire resistant plain polycarbonate solid [ clear ] u.v. coated sheet [ mechanically strong ] 3 mm thick size 4 feet x 3 feet conf. to is: 14443-1997.light weather proof and fire resistant plain polycarbonate solid [ clear ] u.v. coated sheet [ mechanically strong ] 3 mm thick size 4 feet x 3 feet conf. to is: 14443-1997.,light weather proof and fire resistant plain polycarbonate solid [ clear ] u.v. coated sheet [ mechanically strong ] 3 mm thick size 4 feet x 3 feet conf. to is: 14 443-1997. [ warranty period: 30 months after the date of delivery ] [ warranty period: 30 months after the date o f delivery ]