What is secondary packing for vacuum?

In addition to protecting the nuts, the nuts packaged by the vacuum packaging machine also play a key role in extending the shelf life.

Several feed packaging scales designed and produced by Jialong have been widely praised in the feed industry!

Vacuum sealing does not make pet food irresistible by itself. Its value is more specific: reducing oxygen exposure, slowing fat oxidation, protecting volatile aroma compounds, limiting moisture drift, and keeping kibble damage under control. This technical note explains how a pet food packaging machine should be evaluated through residual oxygen, seal integrity, barrier film, aroma retention, kibble breakage, and hygienic design.