REINZ- AFM 37/8 is an asbestos- free gasket material. It consists of aramide fibers and other asbestos substitutes that are resistant to high temperatures and are processed with high- grade elastomers under elevated pressure and temperature.
Technical Data
(nominal thickness 2.00 mm)
Density g/ cm³ 1.7 - 1.9
Ignition loss acc. to DIN 52 911 % < 38
Tensile strength
acc. to ASTM F 152, across grain N/ mm² > 7
acc. to DIN 52 910, across grain N/ mm² > 5
Residual stress acc. to DIN 52 913
16 h, 175 °C N/ mm² ≈ 25
Compressibility and recovery
acc. to ASTM F 36, procedure J
compressibility % 8 - 15
recovery % > 50
Sealability against nitrogen
acc. to DIN 3535, Part 6 FA mg/ (s·m) < 0.1
Swelling acc. to ASTM F 146
in Oil IRM 903 (replaces ASTM Oil No. 3)
5 h, 150 °C
increase in thickness % < 10
increase in weight % < 15
in ASTM Fuel B
5 h, room temp.
increase in thickness % < 10
increase in weight % < 15
in water / antifreeze (50:50)
5 h, 100 °C
increase in thickness % < 10
increase in weight % < 15
Short- term peak temperature °C 300
Maximum continuous temperature °C 200
Maximum operating pressure bar 60
Max. continuous temperature and max. pressure must not occur
simultaneously, please refer to the table entitled "Max. operating pressures at various temperatures and with various media" The data quoted above are valid for the material "as delivered" without any additional treatment. In view of the countless possible installation and operating conditions, definitive conclusions cannot be drawn for all applications regarding the behaviour in a sealed joint. Therefore, we do not give any warranty for technical data, as they do not represent assured characteristics. If you have any doubt, please contact us and specify the exact operating conditions.