This standard specifies the chemical requirements for a sodium bisulphate type compound used as a toilet bowl cleaner.

The material produced in accordance with this standard is intended for the removal of stains and discolourations from toilet bowls. It is not intended for use on bathtubs, washstands, sinks or other metal or enamelled fixtures.

The testing and evaluation of a product against this standard may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any existing applicable regulatory requirements prior to its use.

Time-dated standard