Elastomers - Era Polymers

Polyether (PTMEG) TDI Prepolymers – Shore D
High Performance High Hardness Ultra High
Erapol Prepolymer ETX65D ETX70D ETX764D ETX80D ETX85D ET60D ET65D ET70D ET75D EHP60D EHP70D
Prepolymer Properties
%NCO 8.00 ± 0.20 8.75 ± 0.25 8.75 ± 0.25 9.50 ± 0.30 12.00 ± 0.30 7.40 ± 0.20 8.00 ± 0.25 9.20 ± 0.20 11.20 ± 0.25 7.50 ± 0.25 9.00 ± 0.25
Specific Gravity at 25°C 1.10 1.10 1.10 1.10 1.15 1.06 1.11 1.13 1.11 1.10 1.11
Viscosity at 80°C 400 – 800 200 – 500 400 – 800 300 – 800 300 – 800 300 – 700 300 – 700 300 – 700 300 – 700 400 – 800 400 – 800
Colour
clear, light
amber
clear, light
amber
clear, light
amber
clear, light
amber
clear, light
amber
clear, light
amber
clear, light
amber
clear, light
amber
clear, light
amber
clear, light
amber
clear, light
amber
Moca Processing
Moca Level at 110 -120°C (pph) 23.0 25.0 25.0 26.0 33.0 21.0 22.0 25.0 30.5 22.7 27.2
Recommended % Theory 90 90 90 85 85 90 85 85 85 95 95
Erapol Temperature (°C ) 60 – 65 60 – 65 60 – 65 60 – 65 60 – 65 60 – 65 60 – 65 60 – 65 60 – 65 60 – 70 60 – 70
Pot Life / Prepolymer at 65°C (minutes) 4 3 2.5 2.5 2.5 3 2 1