Specific Gravity to ASTM D297: 1.20±0.05
Hardness IRHD to ASTM D1415: 65±5
Tensile Strength to ASTM D412: 8.3 MPa min
Modulus at 300% elongation to ASTM D412: 4.15 MPa min
Elongation at break to ASTM D412 : 300% min
Heat Ageing (7 days at 115 Deg C):-
Tensile Retention to ASTM D412: 70% min
Elongation Retention to ASTM D412: 70% min
Tear Strength to ASTM D624: 26kN/m
Ozone Resistance to ASTM D1149: No visible cracks (7 days at 40 Deg C in 50pphm ozone)
Water Permeability to ASTM E96-92
(mg/Sqm h at 35 mm Hg): 2.9 at 32 Deg C
(mg/Sqm h at 55.32mm Hg): 15.3 at 40 Deg C
K Values on 1mm BUTYNOL sheeting:-
K Value (Thermal Conductivity): 7.4 x 103 Cal/cm/sec/ Deg C
Conductivity Data on 1mm BUTYNOL sheeting Resistance/sqm Ω /sqm: 0.6816 on 9.3 volts.