\begin{table}%t1
\caption{List of the hydrophilic liquids that we tested. The asterisks marks the liquids that gave reasonable reflectivities and were subsequently tested interferometrically.}
\label{table:1}
%\centering
\small
\begin{tabular}{l c c c c}
\hline\hline
Liquids & Surface tension & Viscosity (temperature) & Molecular weight ($m_{\rm n}$) & Composition\\
& (mN/m) & (cSt) & &\\
\hline
Poly(EG-ran-PG)* & 40.2 & 650 (25 $^\circ$C) & 2500 & EG, 75wt\%\\
Poly(EG-ran-PG) & (...)& 35~000 (25 $^\circ$C) & 12~000 & EG, 75wt\% \\
Poly(EG-ran-PG) monobutyl ether & 36.8 & 3600 (20 $^\circ$C) & 3900 & EG, 50wt\% \\
Glycerol* & 64.0 & 685 (25 $^\circ$C) & (...) & (...)\\
Poly(PG) & (...)& 150 (25 $^\circ$C) & 1000 & (...)\\
PPG-PEG-PPG & 51.0 & 480 (77 $^\circ$C) & 2000 & PEG, 50wt\% \\
PEG-PPG-PEG & 34.4 & 850 (25 $^\circ$C) & 2900 & PEG, 40wt\% \\
Poly(dimethylsiloxane) & 21.1 & 500 (25 $^\circ$C) & (...)& (...)\\
Poly(EG) & 43.5 & 4.3 (100 $^\circ$C) & 200 &(...)\\
Ethylene glycol* & 48.0 & 20 (25 $^\circ$C) & (...)&(...) \\
\hline
\end{tabular}
\end{table}