2-9
Installation
Polysiloxane Coating
Polysiloxane coatings are applied to plastic surfaces to improve the surface resistance to
both scratch and abrasion. They are generally applied by dipping and air drying in an oven
with filtered hot air.
A Word About Coatings
If using an anti-reflective coating, a polysiloxane coating is not needed. It is strongly
recommended that an anti-reflective coating be used on the inside surface first, unless high
performance requirements require coating on the outside surface. If not, a CR-39 without
a protective coat is recommended. In all cases, adhere to the minimum tilt angle outlined
in
on page 2-10. Also, it is recommended to recess the exit
window to minimize scratches and digs.
Below is a table of exit window manufacturers and anti-reflection coaters.
Table 2-4. Exit Window Manufacturers and Coaters
Company
Discipline
Specifics
Evaporated Coatings, Inc.
2365 Maryland Road
Willow Grove, PA 19090
(215) 659-3080
Anti-reflection coater
Acrylic window supplier
Anti-reflection coater
Fosta-Tek Optics, Inc.
320 Hamilton Street
Leominster, MA 01453
(978) 534-6511
Cell caster, hard coater, laser
cutter
CR39 exit window
manufacturer
Glasflex Corporation
4 Sterling Road
Sterling, NJ 07980
(908) 647-4100
Cell caster
Acrylic exit window
manufacturer
Optical Polymers Int. (OPI)
110 West Main Street
Milford, CT 06460
(203) 882-9093
CR-39 cell-caster, coater,
laser cutter
CR39 exit window
manufacturer
Polycast
70 Carlisle Place
Stamford, CT 06902
800-243-9002
Acrylic cell-caster, hard
coater, laser cutter
Acrylic exit window
manufacturer
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