Preparation containing by weight:<br> <br><br><br>- 34 % or more but not more than 36 % of ethoxylated polyurethane modified with hydrophobic groups,<br> <br><br><br>- 37 % or more but not more than 39 % of propylene glycol, and<br> <br><br><br>- 26 % or more but not more than 28 % of water<br>
Third country duty