"GLASS CLEANING SCOURING POWDER USED FOR SAFE CLEANING OF GLASS OR OTHER VITREOUS SURFACES; SOURING POWDER CONTAINS NO MORE THAN 4 PERCENT BY WEIGHT MOISTURE AND VOLATILE MATTER; 85 PERCENT BY WEIGHT WATER-INSOLUBLE MATTER WHEN TESTED ACCORDING TO ASTM D820, SECTION 15; THE TOTAL ALKAKI IS NOT MORE THAN 0.8 PERCENT BY WEIGHT; CONTAINS AT LEAST 4 PERCENT BY WEIGHT SUM OF SOAP AND SYNTHETIC DETERGENTS"