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ＦＳＬ－土壤防渗剂是一种新型无毒土壤防渗增强剂，在防治荒漠化和水资源保护的领域中有广阔的应用前景。防渗剂的主要成分是单宁（栲胶中含量很高）、水玻璃和铁盐，对土壤沙粒有良好的亲和性能，在适当的条件下发生交链和配位聚合作用，以灌浆（或喷洒）方式施工。防渗剂在土壤间隙中（或在地表）胶凝成高分子骨架，以土壤为填料，形成人造有机－无机土壤复合亲水性材料，防止渗漏。使用时可根据具体情况（水质、土质、原渗漏速度等）调节防渗液中各组分的比例或变更灌浆顺序，以取得最佳防渗效果。该防渗剂适用于半干旱、半湿润地区的固沙蓄水造林及盐田防渗。还可用于污水排放的处理，防止河床底泥及地下水污染，也可用于城市粉煤灰处理。
FSL-soil impermeant is a new non-toxic soil seepage enhancer, which has broad application prospects in the fields of combating desertification and water resources protection. The main components of the anti-seepage agent is tannin (high content of viscose), water glass and iron salts, have good affinity to the soil sand, under the appropriate conditions, the role of chain and coordination polymerization to Grouting (or spraying) construction. Anti-penetration agent in the soil gap (or at the surface) gelled into a polymer skeleton, the soil as a filler, the formation of synthetic organic-inorganic soil composite hydrophilic material to prevent leakage. When used according to the specific circumstances (water quality, soil quality, the original leakage rate, etc.) to adjust the proportion of the anti-seepage liquid components or change the grouting order to achieve the best anti-seepage effect. The impermeable agent is suitable for semi-arid and semi-humid areas of sand fixation and water storage and seepage control of salt fields. Can also be used for sewage treatment, to prevent bed sediment and groundwater pollution, can also be used for urban fly ash treatment.