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食品级硅胶管可以用热水泡吗?
食品用硅胶是由硅酸缩聚合成的无机高分子胶体材料,主要成份是SiO2·nH2O,其含量在98%以上,无毒无味,化学性能稳定,常态下除苛性碱和氢氟酸外,不和任何酸碱盐起反应。由于它是一种胶体结构,所以具有很多微孔和很大的比表面积。食用硅胶孔径约为8-10nm ...
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