A compound containing tin, Zinc stannate (ZnSnO<sub>3</sub> or Zn<sub>2</sub>SnO<sub>4</sub>), is used as a fire-retardant in [[plastic]] materials.<ref>http://www.rsc.org/periodic-table/element/50/tin</ref> | A compound containing tin, Zinc stannate (ZnSnO<sub>3</sub> or Zn<sub>2</sub>SnO<sub>4</sub>), is used as a fire-retardant in [[plastic]] materials.<ref>http://www.rsc.org/periodic-table/element/50/tin</ref> |