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Why the waste broke when die cutting---Self-adhesive sticker
Cynthia Feng
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Introduction
We believe that all printing factories have encountered this problem. When you die-cut labels, the waste will break.
Today we will tell you why and how to solve.
We will take this material as an example to explain why this problem occurs and how to solve it. This is something that one of our customers has encountered and has successfully solved.
Material Introduction
Material: 70g Bond paper(woodfree / vellum) + hot melt / acrylic + 58gsm White glassine
Generally used to cut single sheets to make A4 labels and price tags for laser and inkjet printing.
Causes of Tearing
There are 5 reasons：
1.Material Quality
If the material is too brittle or not properly formulated for die-cutting processes, it can lead to breaks or tears.
2.Adhesive Properties
If the adhesive is too thick or has uneven application, it can cause the material to tear when the die comes into contact with it.
3.Die Blade Sharpness
Dull blades can crush or tear the material instead of cleanly cutting through it, especially with thicker or more rigid adhesive materials.
4.Pressure Settings
Incorrect pressure settings on the die-cutting machine can cause excessive force to be applied, leading to tearing or breaking of the material rather than a clean cut.
5.Design Considerations
The design of the labels or stickers, including the shape and layout of individual pieces on the sheet, can affect how well they withstand the die-cutting process. Some designs may have areas that are more prone to tearing than others.
How to Avoid
In fact, these problems will appear on many materials, such as Top /ECO thermal label,Semi-gloss label, White glossy bopp, Clear BOPP, Silver BOPP, PE,etc.
It is easier to solve the problem if you find the cause.
1.Make sure the die blade sharpness
2.Make sure the pressure can cut the face paper
3.Turn down the tension(pull waster), at the beginning
But the most important is to finding the right material. This is what LIKEXIN has been doing, always producing self-adhesive raw materials that are more suitable for printing factories.
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