[ Industry Lead Silicate ] Chemical Formular:3PbO?SiO2 Molecular Weight:789.8 Character:Lemon yellow,glass like granularity.Indissolluble in water and alchol,Dissoluble in acid and alkali Specification:HG/T3248-2000 Item value Content of lead monoxide(PbO) % 84.5-85.5 Content of silicon dioxide(SiO2) % 14.3-15.3 Content of iron sesquioxide(Fe2O3) % ≤0.015 Content of aluminium sesquioxide(Al2O3) % ≤0.10 Moisture(H2O) % ≤0.1 Size Remains on sieve 2.24mm orders 0 2.00mm-0.106mm % ≥95.0 Application: Mainly used as raw material in making lead glass for electron vacuum elements tube,optical glass,glass shell antoradiative glass,etc.It''s also used in other industries. Packing: Packed in plastic film bag with plastic woven bag as it''s outer packing net weight 25kg each,or packed in flexible bulk container.Net weight 1000Kg each. Storage & Transportation: This product should be stored in dry,warehouse.Strictly keep away from moisture.Keep away from acid during stroge and trans portation. Explanation: Special specification can be manufactured and packed according to the customer''s demand.