High viscosity low freezing organosiloxane fluids

Claim 1

A SILOXANE FLUID HAVING A VISCOSITY OF AT LEAST 12,500 CS. AND A FREEZING POINT BELOW -56* C. WHICH SILOXANE IS COMPOSED OF A COPOLYMERIC ORGANOPOLYSILOXANE (1) HAVING A VISCOSITY OF AT LEAST 50,000 CS. AT 25* C. AND A COPOLYMERIC SILOXANE FLUID (2) HAVING A VISCOSITY OF FROM 20 CS. TO 125 CS. AT 25*C., THE AMOUNT OF FLUID (2) BEING AT LEAST 18 PERCENT BY WEIGHT BASED UPON THE WEIGHT OF THE TOTAL SILOXANES AND LYING TO THE LEFT OF LINE AB IN THE ACCOMPANYING DRAWING, FLUID (1) HAVING A COMPOSITION OF FROM 92 TO 98 MOL PERCENT DIMETHYLSILOXANE AND FROM 8 TO 2 MOL PERCENT OF A SILOXANE OF THE TYPE RR''SIO WHERE R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL RADICALS OF FROM 1 TO 40 CARBON ATOMS AND MONOCYCLIC ARYL RADICALS AND R'' IS SELECTED FROM THE GROUP CONSISTING OF ALKYL RADICALS OF FROM 2 TO 4 CARBON ATOMS AND MONOCYCLIC ARYL RADICALS, THE LOW VISCOSITY FLUID (2) HAVING A DEGREE OF SUBSTITUTION OF FROM 1.9 TO 2.1 ORGANIC RADICALS PER SILICON ATOM AND A COMPOSITION OF FROM 80 TO 98 MOL PERCENT DIMETHYLSILOXANE AND FROM 2 TO 20 MOL PRECENT SILOXANE UNITS SELECTED FROM THE GROUP CONSISTING OF RR''SIO, R''SIO3/2 AND R3SIO1/2, THERE BEING AT LEAST 2 AND NOT MORE THAN 15 MOL PERCENT OF AT LEAST ONE OF THE UNITS CONTAINING R'' AND FROM 0 TO 10 MOL PERCENT R3SIO1/2 UNITS, WHERE R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL RADICALS OF FROM 1 TO 4 CARBON ATOMS AND MONOCYCLIC ARYL RADICALS AND R'' IS SELECTED FROM THE GROUP CONSISTING OF ALKYL RADICALS HAVING FROM 2 TO 4 CARBON ATOMS AND MONOCYCLIC ARYL RADICALS.