The when and why of plastic springs is rarely a simple matter, made as they are from highly engineered composites and technically advanced new generation materials they are produced with lightweight and high-performance in mind for application in especially demanding industries such as medical, pharmaceutical, electronics, aerospace and similar. Typical properties include operation at elevated temperatures, neutral magnetic characteristics, light weight, low thermal conductivity, electrically insulating and ability to recycle at end of life.(…)
via Lee Spring draws attention to the when and why of plastic springs | Fastener + Fixing Technology.