Silicone has long been used in manufacturing and processing, because of the unique properties that differentiate it from other plastics and metals. However, many still use these cheaper molds because of the price point, only to find out they need to buy far more just to meet up with the rigors of molding whatever they are. This ends up making the cost argument moot, but often business owners only realize this after a lot has been spent. No matter what you are intending to mold, you should always consider silicone first, and here are a few reasons why it reigns superior.
Will Not Ruin Your Model
One of the primary benefits of a silicon mold is that it does not bind to the material that is placed within it. Other plastics need special releasing agents to ensure that they don't actually chemically bond together, which can wreak havoc on your design and your molding equipment. The problem with these special releasing agents is that they can alter the entire structure of your proposed design, leading to a major reworking of the chemical recipe of that item. If that does not sound appealing to you then the only simple solution is to stick with silicone.
Silicone is not as porous or as accepting to foreign chemicals as other molding plastics are. This makes them able to withstand coming into contact with hundreds, if not thousands, of individual molding recipes before starting to show signs of wear and tear. Often the mold becomes outdated because a new design has come out before they become physically incapable of completing their role. This drastic increase in quality is more than enough to make up for the additional cost. If you don't want to be making new orders for molds every day, the choice is clear.
Silicone is a general term used in the industry to refer to any of the many variants that fall under the silicone umbrella. If you need a particular feature of the silicone-enhanced, or perhaps decreased, then you can alter the recipe for your silicone to accommodate that. This might take a bit of effort and is certainly trial and error based on your own experiences, but over a long period of time, it will enhance your production immensely. Talk to your silicone mold manufacturer before you order yours, just to see what their thoughts are on your silicone and how it will react.
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