high density fiberglass insulation: 1.Durable 2.High Strength, Tenacity, and Modulus 3.High Corrosion Resistance 4.low cost high density epoxy ... circle, are welcome.Features:1. Low Density: 67%~74% of aluminum2. High Strength, Tenacity, and Modulus3. Chemical Stability4 ... structures, scaffold, portable work platforms, cooling tower, luggage rack, window/door frame, sign post, bridge structure, bus ...