Sepha Ltd
Unit 25 Carrowreagh Business Park
Carrowreagh Road, Dundonald
Belfast
BT16 1QQ
Northern Ireland
United Kingdom
Tel: +44 (0)28 9048 4848
Fax: +44 (0)28 9048 0890
Email: info@sepha.com
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Comparison of Leak Test Methods for Pharmaceutical Blister Packs
How do the different test methods compare when checking for leaks in blisterpacks?
The following features and considerations are listed because they all have an impact on the accuracy, objectivity and efficiency of set-up, operation and results of the test:
| Which test methods offer the following features? | Blue Dye | Pressure Decay | Load Cell | Trace Gas | BlisterScan |
| Non-destructive to blisters and product | x | x | x | ||
| No contact with product or blisterpack | x | x | |||
| Objectivity | x | x | x | x | |
| Detects leaks to 10 microns | x | x | x | x | |
| Convenient in use | x | x | x | x | |
| Identifies individual leaking pockets | x | x | x | ||
| Self validation of sensor | x | ||||
| Tests whole web width | x | x | x | ||
| No limit to number of pockets | x | x | x | x | |
| Self check of tooling before every test | x | ||||
| Print-out of results | x | x | x | x | |
| Can be used in production area | x | x | x | ||
| Affordable tooling | x | x | x | ||
| Can be easily validated | x | x | x |