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Physical & Chemical properties

Surface tension

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Description of key information

Using the plate method, the surface tension of the test item Sika Hardener LG in an aqueous solution (1000 mg/L) was determined as 31.98 ± 0.49  mN/m at 19.9 °C. One additional measurement was performed for verification (after 70 minutes). No significant changes and thus no significant dependence on time and temperature was observed.  The surface tension of the reference item was within the accepted range.

Key value for chemical safety assessment

Surface tension:
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

As all measured values were lower than 60 mN/m, thus Sika Hardener LG was considered surface active.