There are many different types of spreader systems for different situations By selecting the case within the criteria of Modulus, Application etc. that applies to you the applicability of each type of spreader system is shown as "No" or "Yes". A good spreader for your application will show a "Yes" for each of your chosen criteria.
|Soft (rubber, PE)|
|Stiff (paper, PET)|
|Very stiff (metal foil)|
The recommendations given here are merely starting point guidelines for most likely success. It does not guarantee that any particular recommended spreader will be helpful as there are many application details that need to be taken care of. Not taking care of details can disable a recommended spreader and can even cause wrinkling and other problems. Also, it is possible that non-recommended spreaders might work in some special circumstances. Again, these recommendations are just starting points.
The suitability choices are based on Chapter 10 in The Web Handling Handbook by Roisum, Walker and Jones, Dr David Roisum's Web101.10 and The Mechanics of Rollers, TAPPI Press, 1996. Detailed implementations of the mechanics of bowed rollers and concave rollers can be found in TopWeb