TECNOTHANE MDI
polyurethane systems
that offer a low compression
set and high rebound
resilience for wheel
applications.
TYPICAL PHYSICAL
PROPERTIES
Unit Test method TDI-MBOCA MDI
MPC
MDI
VTER-Z
Hardnessz ShA DIN 53505 90 90 90
Modulus 100% MPa DIN 53504 6.8 7.0 8.5
Modulus 300% MPa   11.6 13.5 18.0
Tensile strenght MPa   45.2 54.0 48.0
Elongation %   520 460 510
Tear resistance DIE B/a KN/m DIN ISO 34-1 67 90 95
Tear resistance DIE C. KN/m   57 95 96
Compression set 23h/70°C. % DIN ISO 815 22 20 12
Rebound resiliance % ISO 4662 45 60 65
Abrasion resiliance mg DIN ISO 4649 78 35 30
Dynamic performance Average
n° wheel
revolution
Internal
procedure*
37000 Rev. At
increasing load
from 400 Kg up
to 900Kg
48000 Rev. At
increasing load
from 400 Kg up
to 1000Kg
52000 Rev. At
increasing load
from 400 Kg up
to 1100Kg
        +30% +40%

* Test on wheel 85x70mm PU Layering. Disclaimer about data and materials. see Declaration page.