Due to the supply shortage of ERL-4206 ERL-4221 has now been specially formulated to replace it. ERL 4206 is one of the main components of the low viscosity (Dr. Spur) embedding resin kit.
ERL-4221 is a Cycloaliphatic Epoxide Resin.
|Specific Gravity (H2O=1):
||1.173 @ 20°C/20°C
|Flash Point – Closed Cup:
|Boiling Point (760mm/Hg):