Document oDD67dO3w5QvNeoQqYGmZj3Qo

COPY July 2, 1952 TENTATIVE SPECIFICATIONS FOR TRI - AND TETRACHLOROBENZENE BLEND Specific Gravity, 15*5/15.5WC Last Crystal Point C Fire Point, Open Cup C Color, APH Condition Acidity, mg KOH/g Free Chlorides, PPM Water Content, PPM Distillation range, C (ASTM D85O, corrected) Viscosity at 57.8C S.U.S. First Drop 59& by Volume 65* * "ff 90* " 959* " fl 19 Dry Point 1.515 - 1.525 0 Maximum None to Bolling Point 15 Maximum Clear 0.014 Maximum 0.10 Maximum 55 Maximum 30 2 sec. 210 Minimum 215 Minimum 228 Minimum 255 Maximum 262 Maximum 278 Maximum Refractive Index, 25C 1.5775 - 1.5790 Crystallizing Point #C - 15 Max. Dielectric Strength, KV at 25C 50 Min. Dielectric Constant, 1000 eye. at 25C 4.8 - 5-1 Corrosion stability-after Immersion for six hours at 210C ^ 10C, in Trl-Tetrachlorobenzene blend, the aluminum foil sample shall be free from corrosion, as determined by either visual or weight Inspection, and the trl-tetrachlorobenzene blend shall conform with the following requirements. Acidity, mg KOH/g Free chlorides, PPM Color, APH Condition 0.014 Max. 0.10 Max. 100 Max. Clear Composition: Trictforobenzene, 9* 1,2.5,4Tetrachlorobenzene, 9* 1*2,4,5 Tetrachlorobenzene,9* 58.5 Min. 26.0 - 29.0 5.0 Max. C 0 P Y S. W. Keraaghart Transformer and Allied Products Laboratory. copied by cw 8/7/55 TP H & DSW 550781 STLCOPCB4089198