TECNOTHANE MDI
polyurethane systems
for Industrial
elastomer parts that need to offer very good abrasion
resistance as well as high
dynamic performance.
TYPICAL PHYSICAL
PROPERTIES
Unit Test method

TDI-Ether
MBOCA

MDI
MPT
MDI
MPC
CHEMICAL RESISTANCE TDI MBOCA MDI MPC PU MDI
VTER
PU
MDI
SWP
PU
Walter ++ ++ ++ ++
Steam + + ++ ++
Weak acid + + - +
Strong acid - - - -
Bases - - - -
Oils + ++ ++ ++
Solvents + + + ++
Hardness ShA DIN 53505 70 80 90 75 85 92 75 85 92
Modulus 100% MPa DIN 53504 3.6 4.6 6.7 4.5 7 9 5 8.5 11.0
Modulus 300% MPa   6 8.7 7.2 15 18 20 17 23 27
Tensile strenght MPa   45.5 52.1 51.1 32 34 36 53 53 55
Elongation %   450 460 450 500 460 450 500 500 460
Tear resistance DIE B/a KN/m ISO 34-1 65.5 75 78.3 40 60 70 66 86 97
Tear resistance DIE C. KN/m   67.2 75 78.3 37 58 70 59 81 94
Compression set 23h/70°C. % ISO 815 30.2 29.2 29.7 12 16 18 12 16 20
Rebound resistance %
ISO 4662 62 60 58 68 65 60 65 58 51
Abrasion resistance mg ISO 4649 42 45 60 30 30 30 33 33 33
TG glass transition °C
ASTM 2240 -45 -45 -45 -55 -55 -53 -32 -30 -30

Disclaimer about data and materials. see Declaration page.