Building Brick Dealers in Bara Bazar, Kolkata

Sand, Stone Chips

• Size: 12x4inch, 12x5inch
• Shape: Rectangular
• Color: Brown
• Structure: Solid
• SiO2 Content (%): 80-90%
• Al2O3 Content (%): 50-60%
• MgO Content (%): 40-60%

• Varying color as per soil: Uniform pleasing color like cement
• Varying types/ grades(1st, 2nd, 3rd etc): Uniform types / grades
• Uneven shape as hand made: Uniform in shape and smooth in finish
• Lightly bonded: Dense composition
• Plastering required: No plastering required
• Heavier in weight: Lighter in weight
• Compressive strength is around 35 Kg/cm2: Compressive strength is around 100 Kg/cm2
• More porous: Less porous
• Thermal conductivity 1.25 – 1.35 W/m2 ºC Environmental pollution agent during manufacturing(burning coal): Thermal conductivity 0.90-1.05 W/m2 ºC Eco Friendly by source and (Fly Ash) and during manufacturing(no burning coal)

Indian Red Brick, Construction Brick

Refractories

Castables, mortars

coal dust powder, fine coal dust