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: 118°C (245°F)
Boiling Point (760mm/Hg): >250°C (>482°F)
SKU: 15005
Pack: 4 x 225 mL