What is the plastic injection molding process?
This process is similar to that of metal die casting. During this process, molten plastic is injected into the mold under pressure and held until it cools. Once solid, open the mold and remove the plastic casting. Plastic injection molding is an extremely versatile, accurate, fast and inexpensive method for the mass production of plastic products.
What materials can I use?
This method mainly uses thermoplastics and thermosets, each of which has its own advantages and limitations. The main difference between the two is that thermoplastics can be melted back into liquid or recycled, while thermosets cannot.
Advantages: recyclable, cost-effective (because waste from the manufacturing process can be reused), and increased impact resistance due to flexibility
Cons: Lower heat and chemical resistance (they degrade faster).
Advantages: higher chemical and heat resistance as well as higher mechanical strength and dimensional stability.
Disadvantages: Unrecyclable and low impact resistance. In addition, thermosets are more difficult to process, so you may find it difficult to find a supplier for them.
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