The development process of a connecting system for a refractory mass Eco

摘要

The present invention is about obtaining a raw material of a new connection system castable refractory, the pitch of coal tar, modified from the heat treatment of coal tar, the second distillation curve specifies, later reaching the temperature fmal D And the distillation of the order of 470 198 C,Resulting in obtaining a compound final concentration of benzo (a) pyrene of 600 ppm, together with the combination of other raw materials for the composition of the connection system, such as antracu00eanico oil, soybean oil, linseed oil, castor oil, diesel oil, u00f3le The rapeseed oil, biodiesel, biopiche (wood tar), dextrin (corn starch), stearin, paraffin wax.Vegetable waxes (beeswax cupua u00e7 u, Murumuru SHEA), phenolic resins, furu00e2nicas, uretu00e2nicas, epoxy, vinyl chloride, polyethylene and polyethylene ethyl.