date:May 22, 2014
the same way as a clear bottle, and allows trays to enter and benefit the entire closed loop rPET supply chain.
The sealant on the tray flange is opaque, only turning clear after the lidding film has been heat sealed onto the tray. This gives a very strong visual check for the packer processors on the seal integrity of the pack. Something they cannot see currently.
The tray has the strongest seal strength in its class there is a 60% improvement in burst test strength and a 24% improvement in