According to the different shapes and uses, permeable bricks have the following specifications:
1, square brick (200 * 200 * 50 250 * 250 * 40 300 * 300 * 50 400 * 400 * 50)
2. Road brick (100 * 200 * 50115 * 230 * 50)
3. Grass-planting parking lot brick (200*400*50 200*250*60)
4, blind brick (300*300*50 250*250*30)
Grade code mark
Density grade
According to the density of concrete itself, it is classified into Grade A (≥2 100kg/m? ), grade b (168 1kg/m? ~2099kg/m？ ) and class c (≤ 1680kg/m? ) three density levels.
Marking: The products are marked in the following order: code, specification, strength grade, density grade and standard number.
Label example:
Qualified concrete brick with specifications of 240mm× 1 15mm×53mm, compressive strength grade of MU25 and density grade of b;
SCB 240× 1 15×53 MU25 B GB/T 2 1 144-2007
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