... temperature.1technical grade technical index TypeItemEKENETEthyl content,%45.0-47.948.0-49.5≥49.6viscostiy1:4ethanol-toluene solventmPa. ... use technical index TypeItemEKENETEthyl content,%44.0-47.948.0-49.549.6-51.0viscostiy1:4ethanol-toluene solventmP.s Residue ... on ignition,% ≤0.4Drying loss,% ≤3.0Heavy metal,% ≤ 0.0020Arsennic salt,% ≤ 0 ...