Raw materials required for hollow brick machine

Today the investment of hollow brick machine is optimistic , whether investment to build large or small hollow brick factory,the most important question is,what are the requirements on the choice of raw materials?

1,Cement: conform to the national standard GB1344-95 Portland cement, slag Portland cement and fly ash acid cement etc
Cement label 325 # 425 # 525 #

2, light aggregate: including clay ceramic sand, and ceramic sand, coal ash, pumice, cinder, coal cinder, coal gangue, expansion slag bead rock, etc.;

3, gravel  size: 5 ~ 10 mm
 volume proportion: 1400 ~ 1800 kg/m3
 silt content: < 3%

4, fine sand, stone powder
silt content: < 5% (fine sand used for color fabrics)

5, ordinary sand, medium coarse sand fineness modulus: 2.7 ~ 3.1
volume proportion: 1400 ~ 1500 kg/m3
silt content: < 3%

6, fly ash: should be shut JC409-91 "silicate building products with fly ash" standard

7, cinder, steel slag: broken to 10 mm less than

8, building garbage, concrete, brick tiling broken to 3 to 8 mm.

9, tailings sand: optimizations aggregate use.

Our company specializes in the production of hollow brick machine, if you want to buy hollow brick machine, welcome to visit our company to purchase, we will give you the choice of raw materials, site planning etc. and provide you with quality services.

Contact us as below:
Website: http://www.ztbrickmachine.com
Email: zhengtaibrickmachine@ztbrickmachine.com / hnzhengtai@163.com
Tel:+86 371 64396581