Diamond matrix SP-U core bits are equal to drilling through hollow core plank and other precast/prestressed concrete elements, plus wire mesh-embedded slabs or structures.
Read MorePrecast/prestressed concrete-grade core bits
Tag: concrete-grade
Lignin-wise researchers describe new process for concrete-grade plasticizers
Sources: VTT Technical Research Centre Ltd., Finland; CP staff
A research and technology specialist serving Europe’s forest-laden Nordic countries cites a technique to convert lignin, a wood fiber binder and pulp mill byproduct, to a plasticizing agent competitive with synthetic and lignosulphonate-based concrete admixtures.
Read More