This standard specifies the requirements, test methods, inspection rules, signs, packaging, transportation, storage, etc. of D001 macroporous strongly acidic styrene-based cation exchange resin. This standard is applicable to sodium type D001 macroporous strongly acidic styrene-based cation exchange resins containing sulfonic acid groups with a particle size of 0.315mm to 1.25mm, 0.45mm to 1.25mm, and 0.63mm to 1.25mm.