Dear Sir, We are Rice Husk Ash (RHA) supplier from Bangladesh. Our RHA specifications as follows. Packing by used PP Bag or Jumbo bag with Pallet..If you are interested in our products, please us for price. Rice Husk Ash (RHA) specifications : Carbon 2.50 â 6.50 % Moisture 1.50 â 3.00 % Silicon dioxide SiO2 85.0 â 90.0 % Aluminum oxide (Al2O3) 0.1% â 0.80 % Magnesium oxide (MgO) 0.38 â 0.60 % Iron oxide (FeO3) 0.40 â 0.78 % Calcium oxide (CaO) 0.60 â 1.20 % Potassium oxide (K2O) 2.90 â 3.50 % Khan Md. Tariq, Doordesh Traders, 2/1, Rajar Deory, Dhaka-1100, Bangladesh. : 0088-02-47117444 Fax : 0088-02-9590879 Mob 22 whatsap