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GMW16292
GMW16292 1st Edition, February 2010 SEALER, PREFORMED, BODY SHOP, WELDABLE, EXPANDABLE
Description / Abstract:
GMW16292, 1st Edition, February 2010 - SEALER, PREFORMED, BODY SHOP, WELDABLE, EXPANDABLE
This specification details the material and performance
requirements for weldable, preformed sealers that expand and cure
in the Paint Shop Electrocoat (ELPO) oven. These materials are
intended to seal body joints from water, dust, and air intrusion.
These materials must be capable of being welded through.
Material Description. Weldable, preformed
sealers are intended for use between two pieces of oily metal that
will be welded through. After application and welding, the material
is processed through pretreatment and ELPO baths, and then baked in
the ELPO oven. These materials are typically tacky throughout, and
may be referred to as "two-side tacky" or "T2." A thin, dry film
may be applied to one surface of the tacky, preformed sealer to
improve the handling or weldability of the part, and the resulting
composite sealer may be referred to as "one-side tacky" or
"T1".
Symbols. Not applicable.
Typical Applications. These materials are
typically applied manually at the Metal Center, Assembly Plant Body
Shop, or at an outside source.
Remarks. These materials are not intended to be
fuel resistant and are not intended to be applied in the Paint
Shop.
