Studies on the effectiveness of the using aluminosilicate mineral vermiculite of various modifications as a sorbent for the purification of natural media from petroleum products have been carried out. It has been shown that the treatment of the sorbent with a hydrophobic modifier "Penta-804" makes it possible to obtain the hydrophobic sorbent. which has high water resistance. it is ab... https://fitnessgravesyardes.shop/product-category/electronic-circuit-boad/