The issue of ownership, the important details like nozzles gas ..., the CAE software supported often by a number of suppliers hold the copyright.
The cost of production is high ($ 30,000 to $ 85,000) due to equipment adding a control system phunva complex gas pressure.
Gases used in gas-assisted injection molding nitrogen is a cheap but dangerous gases should pollute.
The gas nozzles manufactured incurred many costs extra .
The method in which gas has important implications for the process, if the plastic injection and gas injection duplicate that production of very difficult
problems.
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