General industrial requirements for sepiolite deposits: Steel Wire Reinforced HDPE Composite Pipe Reinforced Pipe,Srtp Pipe For Mining,High Pressure Srtp Pipe,Pn35 Srtp Pipe SHANDONG DONGHONG PIPE INDUSTRY CO., LTD , https://www.donghongpipe.com
Boundary grade: sepiolite content ≥ 10%.
Minimum industrial grade: sepiolite content ≥15%
Pulping rate ≥4m 3 /t
Decolorization rate ≥100% (5% HCl treatment)
Mining thickness ≥ 1m.
The stone removal thickness is ≥1m.