Hushfoam Test Specifications
BACK to HushFoam Acoustical Foams

Fireflex Melamine Foam Test Specifications
Fireflex lightweight, open-cell acoustic melamine material meets the following regulations. Where not indicated, the following tests were performed on 1" thick material.
PM VSS 302:
Passes(automotive)
UTAC
(Union Technique de l'Automobile du Motorcycle et du Cycle)
Passes (Category 1, buses)
UL Code 94, Electronics
HBF: Passes
HF1: Passes
VO: Passes
ASTM E84 Class 1
(The ASTM E 84 test procedure is comparable to UL 723, ANSI/NFPA No. 255, and UBC No. 8-1)
Flame Spread: 5
Smoke Density: 50
FAR 25.853, aviation:
Passes
ASTM C 518
Thermal Conductivity
0.25 Btu in/h ft °F at 68'F
ASTM C 177
Thermal Conductivity
0.25 Btu in/h ft °F at 68'F
ASTM E 162-83
Surface Flammability of Materials Using a Radiant Heat Energy Source
Flame spread factor: 6.7
Heat evolution factor: 3.5
Flame Spread index: 22.9
ASTM D 3574-86
Density Test
Indentation Force
Deflection Test


0.7 lb/ft3
at 25% = 82 ldf
at 75% = 356 ldf
Compression Set Test
(73 oF/50% r.H.)
at 50% = 6.2%
at 75% = 0%
at 90% = 14.4%
Light Resistance
2 Days UV (300-380 nm)
No Yellowing or pulverulence.
   
Polyester-Polyurethane Test Specifications
Density
lbs/ft3                1.8 - 2.2
kg/m3                28.8 - 35.2
I.F.D. @ 25% Compression
2"                      40 lbs. min.
50MM                178 N min.
Tensile Strength
lbs/inch2            15 min.
kpa                    103 min.
Tear Strength
lbs/inch              2 min.
newtons/meter    350 min.
Elongation %
200 min.
Compression Sets
90%, 22hrs, 158'F
15% max.
Die Cutability
Very Good
K-Factor @ 30F
0.23 - 0.U
Operating Temperature
- 4 0°F to +300'F
Cell Count, PPI
36 - 45
Flammability UL94HF-1
Passes

BACK to HushFoam Acoustical Foams