Bernex Group

Clear PC, COC Optical Lens

Challenges

  • Optimum clarity and light transmission.
    Cosmetic defects like black spots, silver streaks, bubbles, yellowness are not permitted.
  • Long cooling time and residence time of melt in barrel can lead to resin degradation.
  • Due to low screw speed, resin can easily stick on the surface of screw.

Bernex Solution Preposition

  • Ensures smooth melt transition, stable pressure to deliver melt with good consistency.
  • Better temperature control, eliminating resin degradation while enhancing melt quality.
  • Material toughness and mirror surface-finish of screw prevents resin from sticking and ultimately improve the clarity of the product.

Screw Material

Compatible units

Applications

Optical

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