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Instrument Plastics Ltd specialises in the design and manufacture of Optical Filters for electronic displays. The optical know-how and technology has led to the development of an extensive range of products. The polymers employed include a range of primary optical thermoplastics - Optolite™ HSR some times referred to as ADC or CR39, Acrylics and Polycarbonates.

With a staff of 40 dedicated employees operation includes a thermoset casting department for manufacturing high quality optical filters from optical HSR and Acrylics. A casting department specialising in EMC shielded windows, a full service CNC machine shop, screen print facilities, inspection and assembly division.

Instrument Plastics Ltd specialise in the manufacture and supply of Optical Grade Contrast Enhancement Filters for electronic displays. These filters are designed to improve display readability by enhancing contrast and reducing reflections whilst also providing protection and improving the overall appearance.


  • Clear HSR Contrast Enhancement Filters

  • Shielded Filter Windows

  • EMC / RFI Woven Meshes

  • Contrast Enhancement Filters

  • Infra Red Filters

  • Light Diffusion Filters

  • IPL 650 Plum

  • Linear Polarising Filters

  • Circular Polarising Filters

  • Conductive Silver Coated Films AgHT

  • Optolite™ Backlights

  • Light Control Film

  • UV Filters

  • Adhesive / Conductive Gaskets

All Instrument Plastics Ltd's Optolite™ filter windows are subject to their detailed Quality Assurance procedure which involves 100% visual inspection of all lenses before dispatch. Each lens, when passed by inspection, is laminated with a protection film on both front and rear surfaces to give protection during transfer and from accidental damage during assembly.

All their
Optolite™ filter windows are assessed for the following:

  • Scratches

  • Inclusions

  • Dimensions (to specified tolerances)

  • Mesh angle

All windows are inspected at a distance of approximately 450mm in front of a white and black background under fluorescent tube lighting.

The robust nature of the filter window combined with their Quality Assurance programme, reduces to an absolute minimum any wastage from damage and so saves on cost.

33 - 37 Kings Grove Industrial Estate

Tel: +44 (0)1628 770018

Fax: +44 (0)1628 773299



Contact: Mr James Munger-Styles (Marketing Executive)

  Mr Michael Wevill (Technical Sales Manager)

Products/Services :

  • Broadband Infrared Filters
  • EMC Shielded Windows
  • Optical Filters for Electronic Displays
  • RFI Shielded Windows

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