Polyether foam, also known as Ether, is a flexible, open-cell type of polyurethane foam that has a near-infinite amount of applications due to the following characteristics: 1  Compressibility.olyether foam, also known as Ether, is a flexible, open-cell type of polyurethane foam that has a near-infinite amount of applications due to the following characteristics: 1  Compressibility.
The smoke comes from flavor woods in the form of chips, chunks, pellets or dust. Each of these forms of wood used for smoking is suited for a range or a particular type of smoking appliance. It all depends, you can put it in a dedicated smoker box, pan, hot plate or over burning coals.
The cigarettes are then rolled into paper and most (97%) are fitted with a filter made of cellulose acetate. In Figure 1 at right, you will see a Comparison of contents of cigarettes vs. premium cigars (Tobacco, 2006). It is well known that flavor additives are used in cigarettes to reduce bitterness.