... ,easy processing,shockproof,heat preservation,sound insulation. float board,eva float board,swimming board1)Water durable: Closed-cell ... foam, non-water-absorbing, moisture-proof.2)Rot resistant: Seawater, oil, acid and ... : Excellent heat insulation, anti-cold, non-frosting and insulation enduring capabilities.6)Sound insulation: Closed-cell foam ...