2nd class brick

The quality of second class bricks is slightly lower than first class bricks. The basic properties of this type of bricks are given below.

Second Class Bricks	Properties
1. Type	1. Class 2
2. Feature	2. Table molded.
3. Shape & Size	3. Irregular
4. Surface & Edges	4. Rough, uneven faces, may consist of hairline cracks.
5. Color	5. Uniform color.
6. Maximum Water Absorbing	6. 22% of its self-weight when submerged in water for 24 hours.
7. Crushing Strength	7. 70 kg/cm2
8. Making Process	8. Burnt in kilns and sometimes may be slightly over burnt.
9. Use	9.  Used in internal walls. (Plaster or coating is required.