很多时候，为了测试离子交换树脂的性能，首先从待检测的树脂产品中获得代表性样品。市场上用于离子交换树脂检测的产品，通常都会使用20kg至50kg的重量来进行包装。而外包装则为铁桶，板桶，纸箱，纤维编织袋等。
Many times, in order to test the performance of ion exchange resins, representative samples are obtained from the resin products to be tested. Products on the market for ion exchange resin testing are usually packaged in weights of 20 kg to 50 kg. The outer packing is iron barrel, board barrel, carton, fibre woven bag and so on.
包装上虽然会标明了树脂等级，名称，制造商，生产日期和合格证书。但是实际当中，用户购买的各种包装的树脂，可能是，也可能不是一批产品。而离子交换树脂检测时，通常要求每个包装中的产品是同一批产品或连续批次的产品。
The package will be marked with resin grade, name, manufacturer, date of production and certificate of qualification. But in practice, the various packaging resins purchased by users may or may not be a batch of products. When ion exchange resin is tested, it is usually required that the product in each package be the same batch or continuous batch.