氟硅酸是一种广谱内吸杀菌剂。商品代号为“九○七”,化学名称是六氟络硅酸(H_2SiF_6)_6。它的纯品不能单独存在。“九○七”共有三种剂型,即“九○七”液剂、粉剂和晶粉。“九○七”液剂通常含有效成分10%或15%。成品是淡黄色透明液体,酸性。“九○七”粉剂是把液剂与矿土粉(高陵土等)混合而成,含有效成分5%,为土黄色或灰褐色粉末,遇水呈酸性。“九○七”晶粉是脲络氟硅酸结晶.叫氟硅脲。用尿素 Fluosilicic acid is a broad-spectrum systemic fungicide. Commodity code-named “907”, the chemical name is hexafluorosilicic acid (H_2SiF_6) _6. Its pure product can not exist alone. There are three dosage forms in “907”, namely “907” liquid, powder and crystal powder. “907” liquid usually contains 10% or 15% of the active ingredient. The finished product is a light yellow transparent liquid, acidic. “907” powder is a mixture of liquid and mineral powder (Gaoling soil, etc.), containing 5% of the active ingredient, khaki or taupe powder, water acidic. “907” crystal powder is urea network fluorosilicic acid crystal. With urea