3907 2920 70

3907292070

Preparation containing by weight -50 % or more but not more than 70 % of oxirane, methyl-polymer with oxirane, ether with bis(4-[bis(2-hydroxyethyl)amino)phenyl] (2-sulfophenyl)methyl (4:1), monosodium salt block (CAS RN 126042-89-5) and -30 % or more but not more than 50 % of polyethylene-polypropylene glycol (CAS RN 9003-11-6)