Quality

(EN ISO 10319) Elongation at break

(ASTM D 6496) Peel strength

(ISO 13426) Peel Strength

(EN ISO 10319) Tensile strength

Sieve analysis

(ASTM 5890) Fluid Loss

(ASTM 5890)- Swelling of bentonite

(EN ISO 12236) CBR Static puncture

(ASTM D 5993) Mass per unit area

(ASTM 5887) Permeability

Grinding of bentonite

Water absorption

Drying of bentonite

Methylene blue consumption (ASTM D 5887)