Epoxys

Electron Microscopy Sciences' replacement for the discontinued Epon-812. Produces the same results in terms of preservation, handling, sectioning, and staining as the old Epon-812.

Luft's Formula. Polymerization takes place overnight so blocks can be sectioned the next day. J. Biochem. Biophy. Cytol. 9, 409 (1961).

Mollenhauer Epon-Araldite Formula. For hard blocks and high image contrast. Blocks are easily sectioned. Stain Tech., 39,11 (1964)

Three different mixtures: one for relatively soft blocks, another for harder blocks for collagenous tissue, and a tougher one if required.