Technical Specifications of flyash bricks

Technical Specifications


(1) Fly Ash Brick Size Details :

Size 
[6 Inches ] :- 230 x 150 x 80 mm
                     230 x 150 x 100 mm
Size 
[4 Inches ] :- 230 x 100 x 75 mm
                     230 x 100 x 100 mm 
Can be available in other suitable sizes depending on the quantity.

(2) Compressive Strength : Avg. 7.5 N / Sq.mm.
( As against 3.5 N/Sq. mm for handmade clay bricks )

(3) Water Absorption : 8-12 %
( As against 20 to 25% for clay bricks )

(4) Efflorescence : Nil

(5) Density : 1700 Kg/m3

(6) Weight:
230x150x80 mm ( Weight about 5.0 to 5.20 kgs. )
230x150x100 mm ( Weight about 7.20 to 7.50 kgs. )
230x100x75 mm ( Weight about 3.40 to 3.50 kgs. )
230x100x100 mm ( Weight about 4.50 to 4.60 kgs. )
(7) Composition :-
(i) Cement : Birla Super Cement OPC 53 Grade
(ii) Thermal Station Fly Ash
(iii) Crushed Sand / Stone Dust
(8) Thermal Conductivity : -
0.90 – 1.05 W/m2 0 C
( 0.75 – 0.90 K cal/m2 hr 0C )
(9) Drying Shrinkage :-
Maximum Average drying test shrinkage 0.035-0.04 %

(10) Brick Colour :- 
Gray / Dark Gray

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