This specification covers a zinc hydroxy phosphite pigment having the general formula ZnHPO₃· [ZnO·2Zn(OH)₂]. The pigment shall consist of zinc hydroxy phosphite and shall conform to the requirements specified. Tests shall be conducted in accordance with the following test methods: chemical analysis; moisture loss; oil absorption; and sieve residue.

1.1 This specification covers a zinc hydroxy phosphite pigment having the general formula ZnHPO₃·[ZnO·2Zn(OH)₂].

1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.