Multimaterials. EASY TO APPLY - Applies with hands only. Fast: application in 3 minutes. Hardens in 5 minutes. Very strong: resists up to 60 kg/cm2. Hardens even under water. It doesn't shrink, it doesn't crack, it doesn't rust. It can be sanded, drilled, machined, painted and varnished. Resistant to water, oil and solvents. Thermal resistance once hardened: -30ºc to +120ºc. Metallic gray colour.