Composite water permeable brick

Composite water permeable brick

CN
  • CN 1,966,861 B
  • Filed: 09/30/2006
  • Issued: 03/28/2012
  • Est. Priority Date: 09/30/2006
  • Status: Active Grant
First Claim
Patent Images

1. composite water permeable brick, it is characterized in that:

  • this permeable brick comprises permeable top layer and porous base course, and permeable top layer and porous base course are closely as one;

    Include aggregate and the cementing agent that coats aggregate in permeable top layer and the porous base course respectively;

    At least include hydrophilic agglomerant in the cementing agent in the said permeable top layer;

    Aggregate size in the described permeable top layer is 0.05mm-2mm, and the aggregate in the described permeable top layer is a quartz sand.

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