干燥收缩率是表示陶瓷、耐火材料、砖瓦等原料制成坯体后，由于干燥失水引起体积或长度缩减程度的物理量。
复合硅酸盐保温材料可塑性强、导热系数低、耐高温、浆料干燥收缩率小等特点。
Composite silicate insulation material plasticity, low thermal conductivity, high temperature resistant, low pulp drying shrinkage rate, etc.
结果表明，搅拌对上述性质的影响非常显著，并且进一步影响硬硅钙石制品的干燥收缩率及体积密度。
The results indicate that stirring evidently affects the formation and morphology of xonotlite secondary particles, and further affects the dry shrinkage and bulk density of xonotlite products.
成型坯体的干燥收缩率小于0.3%，密度分布的标准偏差为0.32%，反应烧结过程中，坯体的收缩率小于0.2%。
Theshrinkage of green body was 0.3% and the density deviation was 0.32%. After infiltrated with molten silicon, the shrinkage of sintering body had another 0.2%.
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