costs from $250
Crimping is a daily procedure in most laboratories and is essential for the correct storage of products. Hence, the correct way of crimping is extremely important. The following is a summary of important facts, tips, product examples and ways of identifying errors in crimping. Should you have any questions, please do not hesitate to contact our team.
There are two types of crimpers: manual and electronic crimpers.
As illustrative material, here is a video and chart demonstrating the correct use of manual and electronic crimping tools and ways to spot errors.
Flat cap surface
Flat septa surface
Aluminum cap fits tightly
Cap sides undamaged
Aluminum cap not tight
|Bowing of the septa||Deformation on the sides||
Convex bowing of the septa
|Intense bowing of the septa|
|Adjustment of screw necessary||Adjustment of screw necessary||Adjustment of screw necessary||Adjustment of screw necessary||It is especially important not to overcrimp headspace samples. If these are overcrimped, they tend to burst at a predetermined breaking point of the aluminum cap even at low internal pressures (less than 3 bars) or might even break apart.|