Re: Why white/blue bulbs don't last as long

From: Tom Slick North (prodog@swbell.net)
Date: Wed Dec 04 2002 - 19:55:08 EST


I've had Sylvania Silver Stars on my Dakota for over a year and a half, and
they are still working!!! And I do a lot of driving at night!

Later!
Tom "Slick" North
96 Dodge Dakota 5.2L RC

----- Original Message -----
From: "Shane Craven" <shanec@SPIE.org>
To: <dakota-truck@dakota-truck.net>
Sent: Wednesday, December 04, 2002 4:13 PM
Subject: DML: Why white/blue bulbs don't last as long

>
> I was inquiring about Sylvania's Silverstar High Performace Halogen
headlight bulbs for my 92 Dak ($50 for a pair) and below is the interesting
reply...
>
>
> Thank you for your inquiry.
>
> The Silverstar lamps do not last as long as our standard lamps. This is
> due to the blue absorption coating on the glass. It is this coating
> that gives the light it's white appearance. However, the light must
> work harder to penetrate the coating and therefore diminishes the life
> of the bulb. Although I do not have specified life hours, the life of
> the bulb is estimated to be approximately 1 year. This is provided that
> you do not have day running lights and do an average amount of night
> driving.
> Please let me know if you have any additional questions.
>
> Thank you,
> Lise Boisvert
> OSRAM SYLVANIA
> Automotive Lighting
>
> --Shane Craven
> 92 LE CC 4x4 3.9L

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