| FLY ASH BRICK FEATURES |
Sr. No. |
Particulars |
Specifications |
Remarks |
| 1. |
Weight of Bricks |
2.75 – 3.25 Kg / Brick |
Depend upon Sand quality |
| 2. |
Compressive Strength |
50-80 kg/cm2 |
- |
| 3. |
Water Absorption |
12-16% |
Depend upon product recipe |
|
|
RAW MATERIALS |
Sr. No. |
Particulars |
Specifications |
| 1. |
Fly ash |
50-70% |
| 2. |
Sand |
15-20% |
| 3. |
Lime & Gypsum |
15-20% |
| 4. |
Cement |
05-08% |
|
|
TECHNICAL COMPARISION |
| PARTICULARS |
CONVENTIONAL RED BRICKS |
FLYASH BRICKS |
| Strength |
40 – 65 Kg/cm2 |
70 – 120 Kg/cm2 |
| Shape & Size |
Non Uniform & Irregular |
Uniform & Regular |
| Water Absorption |
20 – 25 % |
10 – 15 % |
| Breakage / Wastage |
8 – 10 % |
3 – 4 % |
| Mortar Consumption |
High |
Less |
| Density |
1500 – 1700 Kg/cm3 |
1200 – 1350 Kg/cm3 |
| Nos. of Bricks for100 sq.ft. wall of 9” thick |
1100 Nos |
925 Nos. |
| Mortar Joint Thickness |
15 – 18 mm |
8 – 10 mm |
| Plaster Thickness |
15 – 20 mm |
10 – 12 mm |
|
|
