CPES Warm Clear Penetrating Epoxy Sealer MultiWoodPrime and
Rot Repair - System Three Resins, Inc. These are just two of the many
Check out the above links CPES has been around awhile as well as some others, If I remember correctly System 3 bought out the line of T-88 epoxies just for their sealers.
Jamestown's CPES sells for $179/gal, mixed Raka at $100/gal, then cut, would $25/gallon, and does the same thing. As far as safety goes, one should always know the parameters of materials being used. Xylene, BLO&thinnner, lacquer thinnner, AND epoxy with solvents same (that why I use Raka.. no solvents) BOOM. THe thinned epoxy doesn't need to be heated to work. It IS as dangerous as heating any solvent or petroleum or resin based (turpentine).