Qingdao Haide Packaging Co., Ltd. is one of the most professional manufacturers and suppliers of metalized film food packaging in China. If you're going to wholesale high quality metalized film food packaging with advanced design, welcome to get quotation from our factory. Customized orders are welcome.
Comparison to Metal Foils
So why bother with metallized films, instead just going straight for the pure metal foils? While aluminum foil might be a sturdier material in comparison, metallized films, from a structural standpoint, still have a lot of benefits to enjoy. There are two main problems with using aluminum foil for packaging: its dead-fold properties and its lack of flexibility as a material. By dead-fold, I mean that once folded, creased, or wrinkled, those blemishes become perfect. For packages that get tossed around and handled a lot in transit from manufacturer to retail shelf, that doesn’t make for the most attractive package to show off to potential customers. Moreover, puncturing aluminum foil is relatively easy; flex-cracking (that is, constant bending back in forth as the contents shift in transit or the package itself bumps and moves against things) also is something to consider, especially when trying to keep food contents fresh and safe to eat.
Metallized films negate both of these properties, both being flexible as well as enjoying the intrinsic strength of whatever polymer or paper they’re bonded to. In other words, they’re less brittle and can handle both blunt and somewhat sharp impacts a lot better than a metallic foil could. And because it doesn’t have the same memory properties of aluminum, there’s not much worry for permanent wrinkles or creases.
In the production phase, metallized films actually run through lines faster compared to heavier metal foils. Metallized films typically run at thinner gauges than standard gauge packaging grade foil, and can be sealed at lower temperatures, permitting increased line speeds.” On the topic of sealing, with the lack of aluminum hydroxide typical of aluminum foils that have come in contact with water (which in turn makes for a poor adhesive surface for lamination), metallized films naturally seal better and, due to better performance mean less sealant is needed. All of these factors — quicker line speeds, less energy expended on sealing, and less sealant needed to secure the bond — mean more money saved for the manufacturer on top of a more efficient process.
So for those of you out there in the market for a new packaging material that not only looks great on the shelf, but requires less money and energy to manufacture, consider switching to metallized films. With all the benefits, from cost effectiveness to food safety and attracting the attention of a customer’s wandering eye, this packaging material is certainly a feat of modern engineering. Who would have thought bonding metal to polymers and paper could be such a boon to the industry?
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