The combination of puncture resistant windshields, along with strong bonding into the vehicle, makes them part of the passenger containment system and as such the engineering and assembly process both come under federal motor vehicle safety standards (FMVSS) control. This means that quality control testing has to be done at regular and recorded intervals at all stages of the process. The adhesive commonly used is a moisture cured polyurethane (isocyanate) adhesive, and special primers are used both on the glass and on the painted surface of the car body. The backlites, although they are installed with exactly the same process and equipment, are not subject to the same scrutiny as a matter of regulatory requirement.
I worked for a few years as a production supervisor in an automotive assembly plant, where the installation of windshields was my direct responsibility. Steve Thomas C&C27 MKIII ----- Original Message ----- From: Jean-Francois J Rivard via CnC-List To: cnc-list@cnc-list.com Sent: Monday, February 16, 2015 12:50 Subject: Stus-List Window Installation - 1985 41 I have not used VHB tape on portlights but I have used it on many other applications, one was securing my GoPro mount to a slalom ski.. High vibrations, water, you name it. The stuff is nothing short of phenomenal. As for bonded port lights helping with structural integrity, auto manufacturers have been bonding windshields instead of using rubber strips for decades.. The main reason is to improve torsional rigidity. Regards Francois Rivard 1990 34+ "Take Five" Lake Lanier, GA ------------------------------------------------------------------------------ _______________________________________________ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
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