Bull. Spec. CORESTA Congress, Brighton, 1998, p. 162, ST13
New technology for enhancing opacity of cigarette and tipping papers
Schweitzer-Mauduit International, Alpharetta, GA, USA
The objective was to increase the opacity of cigarette paper above its current level. Paper opacity depends on both light scattering and light absorption. White pigments, such as precipitated calcium carbonates, are very effective at light...