What is the max and minimum an Excell 210 wrapping machine can stretch a 20um conventional cast film as a %?
The Excell 210 has been upgraded to the Excell 310 series. The Excell 210/310 run a friction brake stretch head so as with all friction stretch heads film can be stretched from 0 - Breaking strain. This is also determined by the capability of the blend of film being used. We would suggest Excell Pre-stretched films would give the highest load retention and therefore best results. The Excell 320 series has a "Power stretch head" set at 200% pre-stretch.