Buyer is interested to receive quotations for the following RFQ - Product Name: Diatomite Brick Specification : Enclosed, With Dimensions: 230mm*123mm*65mm Technical Specification Of Diatomite Brick Material: Diatomite Brick Chemical Analysis Sio2 min 85% Al2O3 Max 6% Fe2O3 Max 3% CaO + MgO Max 1.50% PHYSICAL PROPERTIES Cold Crushing Strength : Min 20 Kg/cm2 Refractoriness : Min 1465 DegC Bulk Density : Max 0.5 g/cm3 Thermal Conductivity : 0.13 (400 degC) W/K.m 0.15 (600 degC) W/K.m 0.17 (800 degC) W/K.m - Deep seated cracks is not allowable. - Allowable hairline cracks : length