No more soup... Optimising your tissue mill chemistry
No more soup... Optimising your tissue mill chemistry
2 Pages© BTG / www.btg.com Page 1 No more soup... Optimising your tissue mill chemistry by Ian Padley, Tissue Applications Manager Europe, BTG Eclépens SA Imagine a typical scenario faced by a tissue machine operator where chemistry has got out of control. Your machine is using a recycled fibre furnish and making some towel grades; but you are finding it very difficult to reach the wet tensile specification. This important end-user property is delivered by a chemical, a cationic polyamide- epichlorhydrin in fact, but you don’t know that, just that it is ‘wet strength resin’. So, if the lab test for wet tensile is low, let’s just add some more, OK? Well, no. Perhaps when the next shift arrives, there will be foam overflowing the wire pit. Felt dewatering is suddenly quit
