Budnick Converting ®
Cockling of Liners - It's Not the Heat, It's the Humidity
Budnick vendor Adchem has released a whitepaper on a phenomenon you're probably seeing this time of year.
You're likely noticing that your Densified Kraft release liners are starting to develop creases, ridges, or waves. This phenomenon is known within the industry as cockling. So, what exactly is cockling?
You're likely noticing that your Densified Kraft release liners are starting to develop creases, ridges, or waves. This phenomenon is known within the industry as cockling. So, what exactly is cockling?
Paper, by its very nature, is an absorptive medium. In high humidity, as typically experienced in the summer months, paper will absorb moisture from the atmosphere. As a result, the paper swells; it grows in all three dimensions creating a waviness which we call cockling.
The full white paper, including tips on how to manage cockling, can be viewed and downloaded by clicking the link below:
Adchem Cockling White Paper