We need a solvent for Caoutchouc with the conditions below: 1-In 15 liters solvent 3 kilograms of Caoutchouc could be solved. 2-This process should be done less than 24 hours. 3-The price of this solvent should be less than one third of U.S. Dollar. Thank you in advance before you answer and I am looking forward to receiving information. By the way, we need all theese three conditions to be satisfied together.