Assertion: basic magnesium carbonate | /r/HasAspect | the advantage
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text: The light basic magnesium carbonate produced by this process when utilized in the manufacture of heat insulating materials possesses the advantage of being especially III) adapted for low pressure or vacuum molding, with the heat insulating material resu ting from such molding showing mechanical strength to a' higher degree than is obtainable in heat insulating materials utilizing basic magnesium carbonate produced by other processes molded under high pressures.