Stretch film information
1) Portion of Stretch: 10″ to 30″ is 200%, etc, if you stretch 10″ of film to 20″ that is 100% stretch.
2) Portion of Prestretch: This is actually the maximum % of prestretch that the film carriage is tailored for supply.
Be aware: The % can be decreased even before the film leaves the film carriage by a variety of reasons.
– surroundings, background temperature, dampness, etc
– film density
– kind of film…cast, blown, one-sided hang on, and so on
– situation of prestretch rollers
The above mentioned good reasons can deal with almost every existing application but this is correct for all film carriages. Take for example
cast film as being a achievable reason for lowered Percent of prestretch film departing a film carriage. The bulk of film being utilized nowadays is
cast but you can find a large number of different cast motion pictures. Some differential and one-sided hang on cast movies have very
tiny “stick” and will fall on the pre-stretch film rollers. Some cast film recipes produce an incredibly powerful film plus it requires
more hard work to stretch the film. Other cast movies acquire more than usual “film recovery” so that you drop some prestretch Percent
when the film simply leaves the carriage (see under).
Our Super Quick Line II film carriage using its unique threading approach and a lot more film-to-silicone roller get in touch with is
designed to provide the best results for the various sorts of movies and varied applications however the final results
are relying on the range of factors in the above list.
3) Force-To-Weight (secondary stretch or pressure): This modification is usually found on the encounter from the management panel and
manages how much extra stretch is released after the prestretched film foliage the carriage. Considering that the fill needs to
move in the film to increase the Per cent of stretch, lighting lots will demand really little or no push-to-weight.
Essential: The pressure-to-weight setting is critical to maintaining the Percent of prestretch. If the prestretched film foliage
the carriage at 200% it wants to go back to its original shape before it is applied to the load. We call this film recuperation,
come back, rubberized music group aspect, etc. if there is no or little force-to-load being applied because you are wrapping light loads
the 200% may be reduced considerably by the time the film actually reaches the stress. If you have a 200, this means that even%
tailored film carriage you may actually calculate something significantly less when determining the Per cent of stretch in the load. You require X
quantity of force-to-load to support the 200 Per cent prestretch. The stretch film from Fhopepack is changeable according to the application.
There is stretch hood film available from Fhopepack per your packaging requirement
Tags: Stretch film, stretch film wrapping machine, stretch hood film