Specifications  
 IIC Rating
72
STC Rating
73
 % of Sound Insulation
65%
 Water Resistance
Waterproof (Moisture can not penetrate closed cell membranes)
 Thickness
3 mm
 Roll Dimensions
3Ft. 6/16 Inches (1.0 M) x 11 Inch Diameter
 Roll Weight 6.5 LBS. (+ or - 5%)
 Square Footage per Roll
200
 Pallet Weight 225 LBS. (+ or - 5% including weight of pallet)
 Square Footage per Pallet
5,600 Sq. Ft. (28 rolls)
   
Technical Parameters
   Click HERE for a printable version
TEST ITERM
Test Method
Unit
L-4000
Tensile Strength
JISK-6767
Mpa
> 0.12
elongation at break
JISK-6767
%
> 200
Density
JISK-6767
G/cm3
0.022-0.025
tear strength
JISK-6767
N/m
> 850
Compressive strength
JISK-6767
Mpa
> 0.035
The change rate of size after heating
JISK-6767
%
< -3

permanent deformation after press

JISK-6767
%
< 5.5
Water-absorptivity
JISK-6767
G/cm3
0.003
Thermal conductivity
JISK-6767
W/MK
0.035
Alkalinity resistance
No obvious change
Salt resistance
No obvious change
Oil resistance ( Diesel oil )
No obvious change
Acid resistance
No obvious change
Combustibilty
Auto-extinguishing quality  GRADE 1
Smoke content
20 SDR
Oxygen index
27 OI