This is a pre-decorating technique that is used for blow molding bottles along with injection molding and thermoformed containers. The pre-decoration is the application of a label to a given container before it is filled with the product. Labels for the molded IML do not need an adhesive on the backside. This IML process will eliminate the labeling step, and also associated equipment and labor. In the mold labeling process, an appliqué or label is placed in the open mold. This is held in the desired position by electrostatic attraction or desired position by a vacuum port. The molten plastic resin and mold close is injected or extruded into the mold where it then conforms to the shape of the object.
Reasons why IML Injection Molding Machines are so popular:
There are various advantages of In-mold
labeling containers such as:
- Lower costs when compared to other pre-decorating
methods.
- No extra equipment or labeling step is required.
- Increased the packing line speeds.
- Reduced in-house inventory or container.
- The container weight is reduced effectively.
- Improved appearance.
- Better squeeze resistance
- Improved stain resistance.
- Better sidewall strength.
Small scale businesses can easily make their products stand out with In-mold labeling. In the mold labeling process, a preprinted polypropylene label is kept in a mold. It will then fuse with the label as it cures and becomes a durable, beautiful closure.
Given below are the benefits of In-mold
labeling:
- Outstanding print quality: The efficient offset printing technique ensures a high-resolution image. This can be available in up to 8 colors for your labels.
- Durable: The In-mold labels have a stable temperature and are resistant to humidity. This makes them an excellent choice for refrigerated and frozen products.
- Hygienic: Wrinkles, scratches, and cracks in packaging or labels can harbor bacteria. The closures in the case of IMLs are often scratch resistant, not susceptible to wrinkles, and cannot shrink or crack. This makes them efficient and more hygienic.
- Lower production costs and shorter production time: Closures with the IML injection molding machines are often produced in a single step. This means that you do not require store blank closures or transport.
- Environment friendly: Closures and IMLs consist of similar materials and thus can be fully recycled.
The pros of incorporating with IML:
Decorating by IML labels facilitates various
advantages which can be summarized as:
- Optimization: In-mold labeling process can save large
runs by minimizing the time, labor and waste. Once the injection is set
into the mold, the product is completed entirely. This is done by
eliminating any post-labeling operation.
- Versatility: These labels can adapt to any print and
shape on various types of plastic. Thus making it easier to integrate into
the decorating process. These can be used both in caps and glasses and
also in control panels, containers, bins, and boxes.
- Visual quality: As compared to other screen printing,
in-mold printing ensures perfect graphic resolution. By integrating with
the part, the IML label is regarded as an organic part of the product.
- Reuse: One of the most important benefits that come
along with IML is that they are made of the exact materials as the
container. Thus if the container can be recycled, so do the labels.
- Durability: In the case of wear and tear, the IML is
not affected in the same way other labeling forms are affected. It can
even resist the high temperatures of transformation or industrial washing
processes. This is why IML is a widely used solution in the
semi-transformed product.
- Health and safety: The printing process encapsulates the inks, thus preventing any direct contact with the mouth.
Advantages of choosing an IML label:
This is a higher quality decorating process that will widely benefit from the entry of new regulations regarding disposable plastics and their various products. For any piece of plastic, a decoration often resists longer time and the different uses are not necessary. In the case of reusable plastic parts that tend to maintain the same visual quality over time, IML is the best decorative solution for it.
There are numerous benefits of using IML labels that efficiently contribute to becoming the widely used decorative solution for all the existing types of injected plastic parts.
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These are the
properties that made IML injection molding machines even more popular in the
manufacturing industries.