5 Benefits of Having Your Signs Chemically Etched Instead of Laser Cut
There are a number of methods used for signage engraving, but most people are still only familiar with laser cutting. Be that as it may, chemical etching has been becoming increasingly popular among those in the know, and not without reason.
Chemical etching uses certain corrosive compounds to erode selected areas of material, and the process boasts a fair number of advantages over laser cutting. Here are just five such advantages.
1. Simultaneous Etching
One of the great things about chemical etching from a manufacturer's point of view is that all etches can be created simultaneously. Whether you're creating an elaborate design or opting for something quite simple doesn't matter; the process will take the same amount of time. In contrast, a laser needs to be moved across the surface you're working with, resulting in a greater turn-around time.
2. Strong Edges
Laser cutting is a sophisticated process that can produce beautiful results. That said, it is a heat-based process, meaning that thermal stress can occur near the edges. Chemical etching is not a thermal process, and it won't change the properties of the metal you're using. The edges will stay strong and aesthetically pleasing.
3. Durability
Your sign will probably be kept outside, meaning that it will be exposed to the elements throughout its life. Chemical etching enjoys a significant advantage in this regard since signs made using this method will last a very long time, with the etch marks and features clearly visible. In contrast, laser cutting can become tarnished fairly easily; both stainless steel and aluminium signs creating using laser cutting will fade under direct sunlight.
4. Accuracy
One of the deepest concerns you are likely to experience when you opt for laser cutting is how accurate the finished product will be. With chemical etching, all sheets are placed under the same scrutiny and process, ensuring that the process remains the same, and this will be the case no matter how intricate the design. With laser cutting, individual variations can more easily occur, which can be a problem if you need multiple signs.
5. Array of Metals
Finally, chemical etching is a far more versatile process than laser cutting when it comes to the array of metals that you can use. The range of metals that are compatible with chemical etching is huge. If you go with laser cutting, your choices will usually be narrowed down to either aluminium or stainless steel.
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