NHTSA Publishes Notice of Proposed Rulemaking for Automotive Glazing
June 21, 2012

by Katie O'Mara, komara@glass.com

The National Highway Traffic Safety Administration (NHTSA) has published a notice of proposed rulemaking pertaining to automotive glazing materials in the Federal Register. The notice stemmed from NHTSA’s effort to “harmonize vehicle safety standards under the Economic Commission for Europe 1998 Agreement.”

A vote was taken at that time to establish a global technical regulation (GTR) for automotive glazing, which has prompted this notice.
“We believe that most of the changes in this proposal would constitute minor amendments that would harmonize differing measurements and performance requirements for similar test procedures,” reads the notice.

Some of the significant changes include an updated fragmentation test for tempering of curved, tempered glass and a new procedure for testing an optical property of the windshield at the angle of installation, to better reflect real world driving conditions. Some testing was proposed for deletion as well.

“We propose deleting the dart impact test and the shot bag test from FMVSS No. 205. It appear the tests have become obsolete,” reads the notice.

The notice does specify that glass produced for aftermarket glazing will need to follow the same rules as the original equipment glass.

“Glazing intended for aftermarket replacement is required to meet the requirements of this standard of the requirements of 49 CFR 571.205(a) applicable to the glazing being replaced,” specifies the notice.

This story is an original story by AGRR™ magazine/glassBYTEs.com™. Subscribe to AGRR™ Magazine.
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