BS ISO 127:2018规定了测定全部或部分用氨水保存的天然胶乳浓缩物KOH值的方法。本方法适用于含硼酸的胶乳。该方法不适用于用氢氧化钾保存的乳汁。它不一定适用于橡胶树以外的天然来源的乳液，也不一定适用于合成橡胶、复合胶乳、硫化胶乳或橡胶的人工分散体的乳液。交叉引用:ISO 1802ISO 976ISO 123ISO 125ISO 124ISO/TR 9272ISO 1382购买本文件时提供的所有现行修订版均包含在购买本文件中。

BS ISO 127:2018 specifies a method for the determination of the KOH number of natural rubber latex concentrate which is preserved wholly or in part with ammonia.The method is applicable to latices containing boric acid.The method is not applicable to latices preserved with potassium hydroxide. It is not necessarily suitable for latices from natural sources other than Hevea brasiliensis, or for latices of synthetic rubber, compounded latex, vulcanized latex or artificial dispersions of rubber.Cross References:ISO 1802ISO 976ISO 123ISO 125ISO 124ISO/TR 9272ISO 1382All current amendments available at time of purchase are included with the purchase of this document.