Vertifoam process

S. verticillus Vertifoam process Vertigo Vertimek Vertipress... 

In another variation of the process, the foaming mix is fed to the bottom of a cylinder and the foaming mixture is pushed upwards (the Vertifoam process). The mass of material above the reacting foam can be used to control density, whilst in addition volatiles and gases find it more difficult to escape from the system. The solidified cylinder of foam may then be sliced horizontally into large discs. 

FIGURE 6.7 Basic scheme of the Vertifoam vertical foaming process to obtain flexible PU foams. (Adapted from Ashida, K., 2007, In Polyurethane and Related Foams. Chemistry and Technology, ed. Ashida K., 67-82. New York CRC Press/Taylor Francis.)... 

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