Product Character: Having the advantages of high bearing capacity, self locking, crash-proof, good coherence, and easy operation. It is free from the potential quality problems of instable thickness of the protective layer resulting form the use of traditional materials of coprolites and sands.
Code: SP0801B, protection layer: 80mm, Fit steel: 8-16mm
Packing:500pcs/bag
Executive Standards: GBT10-89 Q/SJLX01-2000
Compression Strength: ≥ 4.2Mpa
Tensile Strength: ≥ 4 Mpa




