Natural concrete Mapei MAPEPROOF SEAL - 25 kg

Product description

Natural sodium bentonite in the form of powder for sealing and filling voids during waterproofing works carried out using bentonite mats.

TECHNICAL DATA:
Montmoryllonite (XRD):> 95%.
Swelling coefficient (ASTM D 5890):> 27 ml / 2 g.
Water 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: a pallet of 50 bags of 25 kg (1250 kg).