Price Includes a $7.00 Hazardous Handling Fee
ERL 4221 has replaced ERL 4206. ERL 4221 has a higher viscosity than the previously used ERL 4206.
Spurr AR, 1969. A low-viscosity epoxy resin embedding medium for electron microscopy. J Ultrastruc Res, 26, p. 31.
Ellis, E Ann, Solutions to the Problem of Substitution of ERL 4221 for Vinyl Cyclohexene Dioxide in Spurr Low Viscosity Embedding Formulations, Microscopy Today, V 14, No 4, July 2006
The Spurr Kit gives excellent penetration for tough materials particularly in the studies of botanical, mineral and other hard biological specimens. When the mixture is kept at room temperature for 24 hours its viscosity will increase to 140cP, as is the case with other resins. When fully formulated, the Spurr’s resin will store in a deep-freeze for two months and at room temperature for two days. Curing is done at 70ºC for about 8 hours (see our Microwave system for significant time saving during epoxy processing).
HAZARD WARNING GUIDES
|U||Unlisted as hazard; unknown hazard if any|