Main Parameter 1.Standard: ICAO (Aerodromes Annex 14) 2.Diameter of Aircraft Warning Sphere: Φ600mm 3.Color: Orange, Red or White 4.Material: Fiber glass reinforced polyester resin 5.Character of fiber glass: -Tensile strengthâ?¥128Mpa -Bending strengthâ?¥230Mpa -Temperature resistant: 40â??ï½?90â?? 6.Fastener: Aluminum material, M10 by 35, M10 by 40 7.Weight of Sphere: 6.3Kg