| Average
Physical Properties |
Test
Method
|
| Physical
Appearance : Black, textured open / closed cellular structure on
one surface and a cross-linking, pressure sensitive acrylic based
adhesive coating on the obverse side.Adhesive coated side has a
smooth surface. |
|
| Density
: 4.76 lb/ft3 (76.5kg/m3) |
(
ASTM D 1667)
|
Thermal
Conductivity ( K value ) : 0.04W/m°C
Mean Temp. @ 10°C. |
(
ASTM C518)
|
| Temperature
Range : -40°F to 221°F (-40°C to 105°C) |
|
Thermal
Stability (% shrinkage) : 7 days, 200°F: 4.5 rating
7
days, 220°F: 5.5 rating |
(ASTM
C534)
(ASTM C534)
|
| Water
Absorption : 4.37% W/W |
(ASTM
C272)
|
| Water
Vapor Permeance : 1.63 Perms, 9.33x10(-8) g/Pa.s.M2 |
(ASTM
E96 )
|
| Resistance
: |
|
Ultra
Voilet ( UV ) - Good |
| |
|
Weather
- Good |
| |
|
Ozone
- Excellent |
| |
|
Mildew
- No fungal growth |
| |
|
Chemical
- Good |
|
(
ASTM D1171)
|
| Flexibility
: Excellent |
|
| Elongation
: Excellent |
|
| Odour
: Negligible |
|
Fire
Classification : Self extinguishing
Flame
spread : Class 1 rating |
(
UL94, STM D635-91, Bomba Cert .)
(BS476, part 6 & & SIRIM )
|
| |
|
| Sound
Absorption Coefficients : |
0.18
@
|
100
Hz
|
| |
0.13
@
|
125
Hz
|
| |
0.11
@
|
160
Hz
|
| |
0.12
@
|
200
Hz
|
| |
0.12
@
|
250
Hz
|
| |
0.13
@
|
315
Hz
|
| |
0.18
@
|
400
Hz
|
| |
0.25
@
|
500
Hz
|
| |
0.41
@
|
630
Hz
|
| |
0.59
@
|
800
Hz
|
| |
0.59
@
|
1000
Hz
|
| |
0.49
@
|
1250
Hz
|
| |
0.45
@
|
1600
Hz
|
| |
0.35
@
|
2000
Hz
|
| |
0.37
@
|
2500
Hz
|
| |
0.34
@
|
3150
Hz
|
| |
0.27
@
|
4000
Hz
|
|
| (
Reverberation Room Method, mounting A, ASTM C423-90a ) |
|
|
Source : Acoustic Lab National University of Singapore
|