A process for preparing an organosilicon high condensation product having no silanol group in the terminal of the molecule the process comprising the two steps of hydrolyzing a mixture of 5 to 95% by weight of an organosilicon compound represented by the formula ##{HEAD ~ STR7}## wherein {TAIL ~ R} is C1 C4 alkyl and 5 to 95% by weight of an organosilicon compound represented by the formula 
wherein
A process for preparing an organosilicon high condensation product having no silanol group in the terminal of the molecule the process comprising the two steps of hydrolyzing a mixture of 5 to 95 % by weight of an organosilicon compound represented by the formula # # { HEAD ~ STR7 } # # wherein { TAIL ~ R } is C1 C4 alkyl and 5 to 95 % by weight of an organosilicon compound represented by the formula
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