TECNOTHANE MDI
polyurethane systems for
mining equipment projects
are a rugged solution that
offer very good abrasion
and tear resistance.
TYPICAL PHYSICAL
PROPERTIES
Unit Test method TDI - MBOCA MDI
MPC
MDI
MDE
Hardness ShA DIN 53505 85 85 85 90
Modulus 100% MPa DIN 53504 5.0 6.0 5.7 7.0
Modulus 300% MPa   12.0 12.0 11.5 13.9
Tensile strenght MPa   48.0 52.0 46.0 48.0
Elongation %   450 500 570 550
Tear resistance DIE B/a KN/m ISO 34-1 70 75 70 81
Tear resistance DIE C. KN/m   65 80 68 80
Compression set 23h/70°C. % ISO 815 25 17 25 28
Rebound resistance %
ISO 4662 60 65 53 50
Abrasion resistance mg ISO 4649 60 30 30 30

Disclaimer about data and materials. see Declaration page.