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MAPEPROOF SEAL

Natural sodium bentonite in powder form for localised strengthening of waterproofing layers made using MAPEPROOF bentonite sheets.
TECHNICAL DATA:
Montmorillonite (XRD): > 95%.
Free swelling (ASTM D 5890): > 27 ml/2 g.
Fluid loss (ASTM D 5891): < 18 ml.
Absorption of methylene blue: > 400 mg/g.
Liquidity limit (UNI 10040): > 550%.
Water absorption (ASTM E 946/43): > 750%.
1500/1000 Marsh viscosity: 38-40”.
pH of filtered water: 9.
Packaging: 25 kg paper bags.