NASB3 Specification

colour Light Green
Density
(gr/cm3)
1.70 ±10%
Compressibility
(ASTM F-36A)
7 – 15%
Recovery
(ASTM F-36A)
> 40%
Degree of Adhesion
(ASTM F64 – F104)
Class 1
Transverse Tensile Strength
(ASTM F-152)
5 N/mm²
Gas Permeability
(DIN3535/4)
< 1.0 cc/mm
ASTM Oil #1
(5hrs@150°C)
n/a
ASTM Oil #3
(5hrs@150°C)
n/a
ASTM Fuel B
(5hrs@20°C)
n/a
Loss at 800°C < 25%
Flexibility Standard
Reachable chlorides < 150 ppm
Maximum temperature 220°C
Maximum pressure 30 Mpa
Tensile strength crosswise
(DIN52910)
5 Mpa
Stress relaxation
(DIN52913)
>19 Mpa
Cold compressibility
(DIN28091-2)
10 – 12%
Cold recovery
(DIN28091-2)
>2 – 3%
Hot creep
(DIN28091-2)
40 – 45%
Hot recovery
(DIN28091-2)
0.80%
Recovery
(DIN28091-2)
0.02mm
Maximum gaskets pressure
(DIN28090-2)
60 Mpa
Sealability
(DIN3535/4)
<1.0cm³/min