Multiple cover blocks cement spacer:
Fly ash,construction waste,sand,crushed stone, cinder,clay.cement,can be used as raw materials of making concrete spacer block. Producing baking-free bricks is a ideal way of eliminating the environmental pollution,saving the land resources, comprehensive utilizing the industrial residue and building up family fortunes
Cement spacer specification:
1.High compressive strength
2.No deformation with temperature fluctuations
3.Excellent physical and chemical resistance
4.Low permeability
5.Excellent bond with concrete
6. No hairline cracks between the spacer and concrete
