1. With PERMI our customers have stabilized their processes and achieved for example:
+ 15 % production rate increase
+ 25 % speed increase
+ 50 % faster grade changes
- 25 % production costs
2. No other on-line device can deliver such reliable data than ACA PERMI
− >0.95 R2 correlation between PERMI and lab permeability analyzers
− Very good correlation between PERMI and many process and quality factors
3. ACA PERMI is easy to install and use
− Wide measurement range with only one calibration
− Fixed point or scanning installation
− Automatic cleaning cycle
− Measurement data can be transferred to mill own quality system
Benefits of on-line porosity control in cigarette paper
•The porosity has an influence on the temperature of combustion of cigarette papers, which has an effect on the tar level of a cigarette.
•The porosity has an influence on the taste of cigarettes, on dust content and on temperature of the burning process. Air must also pass the walls of the paper to dilute and cool the smoke of a cigarette.
•Easy and fast on-line measurements help to keep the porosity of cigarette paper on the correct level and save time and money in grade changes.
•The biggest problem is to keep the small scale variation as low as possible.
•The most used measuring standard is Coresta. The usual air permeance of cigarette paper is 30 – 50 Coresta (about 25 – 15 Gurley seconds). With Permi on-line porosity control it is possible to keep air permeance in the desired level.
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