M00001063
New product
GMW16506 2nd Edition, June 1, 2015 Performance Requirements of an Exterior Lighting Structural Adhesive
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Availability date: 07/27/2021
Description / Abstract:
This specification covers the performance requirements of an
exterior lighting structural adhesive used to bond and seal the
lens to housing.
Material Description.
The structural adhesive must be thermosetting (reactive hot
melt, moisture-cure urethane, two-part urethane, two-part silicone,
etc.) The material shall not cause crazing of acrylic or
polycarbonate.
Additional mechanical retention (metal clips, plastic snap-in
fasteners, fixtures, etc.) shall be used to retain the part in
position during cure.
The material must be capable of being dispensed with current
production equipment. It shall be compatible with production
systems.
There are two classes of adhesive systems. Class I and Class II,
which are based on application performance requirements and are not
interchangeable. If no class designation or type designation is
specified, Class I adhesive system applies as the default standard
for exterior lighting.