Re: Plastic Optical Materials

In article
<013dc903-e76a-4c8e-942f-7c36ec5f2d9f@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
Photon <ximinzhao@xxxxxxxxx> wrote:

Folks,

Besides PMMA (acrylic) and polycarbonate, what other plastic optical
materials are there that can be molded?

CR39, used to make plastic lenses for eyeglasses.

Joe Gwinn
.

Relevant Pages

  • Re: Another BBC story to add a comment to....
    ... Can either of these materials be recycled ... I am interested in the chemistry of polycarbonate. ... towards Gloucester she saw a fire. ... perhaps 5 min. and the smoke grew and grew. ...
    (comp.sys.acorn.misc)
  • Re: 3D Printing - which process?
    ... severely limit the materials that you can work with. ... cleaning can cause problems with Polycarbonate, as it isn't much good at ... chemical resistance. ... give very real medical benefits for some chronic conditions - asthma is one. ...
    (comp.cad.solidworks)
  • Re: Trivex or Finalite or something else?
    ... It is so rare that a wearer will notice any difference between lenses. ... I have many wearers with multifocals in both polycarbonate and CR39 and ... none - EVER - complian of reduced visual quality in the polycarbonate. ...
    (sci.med.vision)
  • Re: Plastic Optical Materials
    ... CR39, used to make plastic lenses for eyeglasses. ... Joe Gwinn ...
    (sci.optics)