What is the difference between hydrophobic rock wool and hydrophilic rock wool? Does rock wool absorb water? More and more people had doubts to the hydrophobic performance of rock wool along with the wide application of rock wool. Now, introduce the hydrophobicity of rock wool for you.
In fact, any rock wool will absorb water, while the rock wool added with water repellent shall present hydrophobic effect of lotus leaf bead as spray water, but the existed pores will absorb water certainly, a good rock wool shall have self-draining feature due to its special process. The hydrophobic rock wool board added with water repellent only has no such strong water absorption, which will not absorb water like normal rock wool board as cotton. It shall be qualified as long as the hydrophobicity is more than 98%, while the hydrophobicity of Bosheng rock wool reaches above 99.8%!
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