Barrier Foam for boat CompositesTypical Physical Properties Typical Acoustic Properties

BarrierDecoupler Layer Absorber Layer

Polyether PolyurethaneFlexible Foam-1.6 lb/ft
Polyether PolyurethaneFlexible Foam 1.6lb/ft .5 lb./ft
2 1lb./ft
2 1.5lb./ft
2 2lb./ft
2 3 3 1/16”1/8”3/16”1/4” 220+pores/inch1/2”-3” thickness available
220 + pores/inch 1/2”-3” thickness available 1.5 mil Ripstop Mylar Vapor Barrier Facing Thickness 1/4” to 4” Stiffness,MPA (Barrier) ASTM 749 Weights (per ft
2 ) .55 lbs.to 2.5 lbs. 19.60 Flammability,foamUL 94 HF-1MVSS 3021SO 4589-3PASSMEETS MEETS Tensile,PSI (Barrier) ADSTM D 412 407 Specific Gravity(Barrier)ASTM D 7981.80 Elongation,% (Barrier) ASTM D 412 120 Tear,lbs/1” (Barrier) ASTM D 624 Hardness(Barrier) ShoreA2 ASTM D 2240 77 90 Nominal Temp Range,Fahrenheit(Composite) -40 to 255 degrees Transmission loss of Composite byWeightPer ASTM E90-90 Sound AbsorptionPer ASTM C 423-84A OctaveBandCenter Freq.Hz 1lb./ft
2 1.5 lb./ft
2 1” Foam,Mylar Face 125 14 18 .14
250 17 21 .37 500 22 25 .69 1k 28 32 .61 2k 36 37 .79 4k 44 46 .48 STC 28

30

NRC .60
*Transmission loss as published by SOUNDOWNand other manufacturers of composite insulation represent a test of the material alone without panel for boat to it might be attached to in service. 16 BroadwaySalem,MA 019701-978-745-7000www.SOUNDOWN.com3005 S.W.2 nd Ave.#102Ft.Lauderdale,FL 33315 1-954-761-9188 sales@soundown.com