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Technical Data and Industry News

We want you to have the latest information about changes regarding the products we offer. If there is something you are looking for and not able to locate within our website, please contact us.

Here are some industry links that may be of interest.

 

New technologies are emerging rapidly. Windshields play an integral role in these technologies with cameras mounted on them and projectors positioned beneath them. Below are some links that help demonstrate many of these features.

Carlex is a proud member of

For proper wiper synchronization on Focus, Escape and Fusion vehicles after wipers have been removed to replace the windshield, please click here.

UV Protection

Windshields and more frequently door glass is made of “laminated” glass which blocks up to 95% of damaging UV rays and provides the UV protection equivalent of 50+ SPF sunscreen.

Remaining auto glass in a vehicle is usually made of “tempered” glass. The UV transmittance can vary due to the makeup of the glass. See the chart below for which glass may perform best against UV light.

*Batch privacy is a dark grey glass – colorant is in the glass composition as opposed to a reflective coating which was used on Ford-Lincoln-Mercury vehicles prior to 1998 or 1999 model year (depending on vehicle). The older, “pyrolytic” privacy was a coated grey glass that had a mirrored inside surface and a “bronzish” appearance.

The ranges of transmittances above are due to differences in glass thickness for any given category of parts. Glass thickness typically ranges from 3.2 mm up to 4.8 mm for side glass, back windows and moonroofs; and 4.7mm to 6.0 mm for windshields. The thicker the glass, the lower the visible and UV transmittance. Carlite windshields produced after April 2001 have a UV light transmittance of just under 3%, meaning that 97% of the sun’s UV rays are blocked. This is equivalent to a sun protection factor (SPF) of 157.

**Windshields produced prior to 2000 model year had ultraviolet transmittance values of around 14% which equates to a SPF of 68.

Glass of any kind blocks all UVb, which is the most harmful ultraviolet light. The UV transmittances above show the total transmittance values for UVa and UVb.

Windshield Mounted Cameras

 

Many vehicles today incorporate cameras that help manage:

  • high beam controls
  • pre-collision assist functions
  • adaptive cruise controls
  • lane departure warning systems

There are many reasons to replace your glass with the original part but this becomes even more important when a camera utilizing any of the features above is included on your vehicle. The original part designed for your vehicle has been approved by the vehicle manufacturer to work with the on-board technologies. Generic or OE-like parts may be similar in design, but because they were reverse engineered (meaning copied in simplest terms), they may vary in some of the following areas:

  • Glass transmittance (generally accepted)
  • Surface profile or glass curvature
  • Water trail issues with wiper blades that can interfere with performance
  • Proper bracket fit when reinstalling
  • Bracket type, glare shield concerns, bonding agents (critical for electronic connections of cameras)
  • Wire mat, silver paint, fine wire for heated section around camera may vary

Upon completion of an installation, the vehicle system may be required to be recalibrated. Read glassBYTEs’ article about recalibrating aftermarket and OE glass.