for raw materials infeed.  1.2.7 Device shall have thermal insulation.  1.2.8 All surfaces in contact with sample  material shall be Austenitic Stainless  Steel (AISI: 316L or EU: X2CrNiMo17- 12-2 or ISO: Type19).  1.2.9 Mirror polishing shall have been applied  to the internal and external surfaces of  the vessel.  1.2.10 Vacuum cover shall have an inspection  glass  and  internal  illumination  to  monitor the mixture by the user during  the mixing process.  1.2.11 Device shall have a vacuum system  pressure 730 mmHg or higher which  prevents the substance from mixing with  the air and eliminates the air bubbles in  the mixture.  1.2.12 Device shall have a heating system that  is able to increase the temperature of the  mixture in the vessel to at least 80°C. 1.2.13 The device shall have a control panel  with minimum 6” screen to allow user  to adjust the following functions  -sample temperature monitoring  -mixing speed variation  -vacuum/pressure  parameters  and  control  -Cooling parameters and control  1.2.14 The vessel shall have a circulating liquid  cooling system by a hydraulic pump.  Page 17 of 49  August 2020 c4f_annexiitechspeciiitechoffer_en.doc 