Bricks , Potassium Silicate Pwdr And Solution Procurement Of Bricks , Potassium Silicate Pwdr And Solution , Pottassium Silicate Powder In 50Kg Bags , Conforming To Is:4832 Part-I ( Latest ) , Pottassium Silicate SolutionConforming To Is:4832 Part-I ( Latest ) Suitable For Preparation Of Chemically Setting MortarWith Pottassium Silicate Based Acid Resistant CementPacked In 2O Kgs . Or Nearest Air Tight PackingWith Name Of Material Stenciled In The Packing . Physical Requirements Of Mortar:1 . Working Time At 27 Deg . +/-2 Deg . C : 20 Minutes ( Minimum ) 2 . Flexural Strength , At 7 Days ) : 40 Kg/Sq . Cm ( Minimum ) 3 . Compressive Strength , ( At 7 Days ) : 150 Kg/Sq . Cm ( Minimum ) 4 . Bond Strength : 5 Kg/Sq . Cm ( Minimum ) 5 . Absorption Of Toluene : 18 % Weight ( Maximum ) , Acid And Heat Resistant Bricks Conforming To The FollowingSpecifications And Sizes Along With Mtc . Specifications . 1 . Bricks Shall Generally Conform To Is:4860 And Be Strongly Resistant To Sulphuric Acid Of Concentration Between 8-98% At Temp . Range Of 40-90 Deg . C , Phosphoric Acid And Weak Hydrofluosilicic Acid . 2 . The Bricks Shall Be Made From Ceramic Raw Materials; Which After Baking Form Acid Proof Bodies . The Finished Brick , When Fractured Shall Appear Fine Grained In Texture; Dense And Homogeneous . The Bricks Shall Be Sound; True To Shape; With Even Surface And Square Edges And Free Of Warpage; Twisting And Other Manufacturing Defects Affecting Their Utility . 3 . The Chemical Composition And Physical Properties Should Conform To Details Given Hereunder: A ) Sio2 : 70 . 0 - 78 . 5% B ) Al2o3 : 20 . 0 - 28 . 0% C ) Fe2o3 Max : 2% D ) Porosity , % By Wt . : < 17% E ) Resistance To Acid : Loss In Wt . Shall Not Exceed 1 . 5% F ) Dimensional Tolerance : +/- 1 . 5% Or 1Mm Whichever Is Greater . G ) Temp . Change Stability : 6 . 0 , Min H ) Bulk Density : 2 . 3 - 2 . 4Gm/Cc I ) Compressive Strength , Min : 700Kg/Cm2 . * J ) Water Absorption , Max : 2 % By Wt . * K ) Warpage Along Longest Dimension : 2 . 5Mm ( Max . ) L ) Flextural Strength , Min : 100 Kg/Cm2 * = Method Of Test As Per Is 4860 ( Latest Issue ) Grillage And Tie BricksSize : 750X250x80mm , Acid And Heat Resistant Bricks Conforming To The FollowingSpecifications And Sizes Along With Mtc . Specifications . 1 . Bricks Shall Generally Conform To Is:4860 And Be Strongly Resistant To Sulphuric Acid Of Concentration Between 8-98% At Temp . Range Of 40-90 Deg . C , Phosphoric Acid And Weak Hydrofluosilicic Acid . 2 . The Bricks Shall Be Made From Ceramic Raw Materials; Which After Baking Form Acid Proof Bodies . The Finished Brick , When Fractured Shall Appear Fine Grained In Texture; Dense And Homogeneous . The Bricks Shall Be Sound; True To Shape; With Even Surface And Square Edges And Free Of Warpage; Twisting And Other Manufacturing Defects Affecting Their Utility . 3 . The Chemical Composition And Physical Properties Should Conform To Details Given Hereunder: A ) Sio2 : 70 . 0 - 78 . 5% B ) Al2o3 : 20 . 0 - 28 . 0% C ) Fe2o3 Max : 2% D ) Porosity , % By Wt . : < 17% E ) Resistance To Acid : Loss In Wt . Shall Not Exceed 1 . 5% F ) Dimensional Tolerance : +/- 1 . 5% Or 1Mm Whichever Is Greater . G ) Temp . Change Stability : 6 . 0 , Min H ) Bulk Density : 2 . 3 - 2 . 4Gm/Cc I ) Compressive Strength , Min : 700Kg/Cm2 . * J ) Water Absorption , Max : 2 % By Wt . * K ) Warpage Along Longest Dimension : 2 . 5Mm ( Max . ) L ) Flextural Strength , Min : 100 Kg/Cm2 * = Method Of Test As Per Is 4860 ( Latest Issue ) Grillage And Tie BrickSize : 850X250x80mm , Acid And Heat Resistant Bricks Conforming To The FollowingSpecifications And Sizes Along With Mtc . Specifications . 1 . Bricks Shall Generally Conform To Is:4860 And Be Strongly Resistant To Sulphuric Acid Of Concentration Between 8-98% At Temp . Range Of 40-90 Deg . C , Phosphoric Acid And Weak Hydrofluosilicic Acid . 2 . The Bricks Shall Be Made From Ceramic Raw Materials; Which After Baking Form Acid Proof Bodies . The Finished Brick , When Fractured Shall Appear Fine Grained In Texture; Dense And Homogeneous . The Bricks Shall Be Sound; True To Shape; With Even Surface And Square Edges And Free Of Warpage; Twisting And Other Manufacturing Defects Affecting Their Utility . 3 . The Chemical Composition And Physical Properties Should Conform To Details Given Hereunder: A ) Sio2 : 70 . 0 - 78 . 5% B ) Al2o3 : 20 . 0 - 28 . 0% C ) Fe2o3 Max : 2% D ) Porosity , % By Wt . : < 17% E ) Resistance To Acid : Loss In Wt . Shall Not Exceed 1 . 5% F ) Dimensional Tolerance : +/- 1 . 5% Or 1Mm Whichever Is Greater . G ) Temp . Change Stability : 6 . 0 , Min H ) Bulk Density : 2 . 3 - 2 . 4Gm/Cc I ) Compressive Strength , Min : 700Kg/Cm2 . * J ) Water Absorption , Max : 2 % By Wt . * K ) Warpage Along Longest Dimension : 2 . 5Mm ( Max . ) L ) Flextural Strength , Min : 100 Kg/Cm2 * = Method Of Test As Per Is 4860 ( Latest Issue ) Grillage And Tie BrickSize : 1050Mm X 250Mm X 80Mm , Acid And Heat Resistant Bricks Conforming To The FollowingSpecifications And Sizes Along With Mtc . Specifications . 1 . Bricks Shall Generally Conform To Is:4860 And Be Strongly Resistant To Sulphuric Acid Of Concentration Between 8-98% At Temp . Range Of 40-90 Deg . C , Phosphoric Acid And Weak Hydrofluosilicic Acid . 2 . The Bricks Shall Be Made From Ceramic Raw Materials; Which After Baking Form Acid Proof Bodies . The Finished Brick , When Fractured Shall Appear Fine Grained In Texture; Dense And Homogeneous . The Bricks Shall Be Sound; True To Shape; With Even Surface And Square Edges And Free Of Warpage; Twisting And Other Manufacturing Defects Affecting Their Utility . 3 . The Chemical Composition And Physical Properties Should Conform To Details Given Hereunder: A ) Sio2 : 70 . 0 - 78 . 5% B ) Al2o3 : 20 . 0 - 28 . 0% C ) Fe2o3 Max : 2% D ) Porosity , % By Wt . : < 17% E ) Resistance To Acid : Loss In Wt . Shall Not Exceed 1 . 5% F ) Dimensional Tolerance : +/- 1 . 5% Or 1Mm Whichever Is Greater . G ) Temp . Change Stability : 6 . 0 , Min H ) Bulk Density : 2 . 3 - 2 . 4Gm/Cc I ) Compressive Strength , Min : 700Kg/Cm2 . * J ) Water Absorption , Max : 2 % By Wt . * K ) Warpage Along Longest Dimension : 2 . 5Mm ( Max . ) L ) Flextural Strength , Min : 100 Kg/Cm2 * = Method Of Test As Per Is 4860 ( Latest Issue ) Column BrickSize : 300Mm X 300Mm X 95MmAs Per Sketch Attached , Acid And Heat Resistant Bricks Conforming To The FollowingSpecifications And Sizes Along With Mtc . Specifications . 1 . Bricks Shall Generally Conform To Is:4860 And Be Strongly Resistant To Sulphuric Acid Of Concentration Between 8-98% At Temp . Range Of 40-90 Deg . C , Phosphoric Acid And Weak Hydrofluosilicic Acid . 2 . The Bricks Shall Be Made From Ceramic Raw Materials; Which After Baking Form Acid Proof Bodies . The Finished Brick , When Fractured Shall Appear Fine Grained In Texture; Dense And Homogeneous . The Bricks Shall Be Sound; True To Shape; With Even Surface And Square Edges And Free Of Warpage; Twisting And Other Manufacturing Defects Affecting Their Utility . 3 . The Chemical Composition And Physical Properties Should Conform To Details Given Hereunder: A ) Sio2 : 70 . 0 - 78 . 5% B ) Al2o3 : 20 . 0 - 28 . 0% C ) Fe2o3 Max : 2% D ) Porosity , % By Wt . : < 17% E ) Resistan