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GMNA - 9984181

Sealer – Preformed, Extrudable, Weldable and Expandable

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Organization: GMNA
Publication Date: 1 July 2020
Status: active
Page Count: 5
scope:

This specification details the requirements of an extrudable weld-through material which may be applied in the Metal Center, Assembly Plant Body Shop or, at an outside source.

Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose/Material Description.

This type of material is a smooth and homogeneous mixture, free of: air; lumps; unmixed particles and foreign matter. These sealing materials are extruded into parts, intended for use between two pieces of (oily) metal that will be welded together. The material is typically tacky throughout and can be referred to as "two side tacky". A thin, dry film may be applied to one side of the extruded part to improve handling or weldability of the part and is referred to as "one side tacky".

The material has low-expansion capability and will expand (Table 1) and cure upon heating in the Paint Shop Electrocoat (E-Coat) Oven. This material is intended to seal interior or exterior body joints against water, dust and air intrusion.

Symbols.

Not applicable.

Applicability.

Applicable to preform sealer materials that are formed into parts and installed prior to the assembly Plant Paint Shop, between two layers of metal.

Remarks.

None.

Document History

9984181
July 1, 2020
Sealer – Preformed, Extrudable, Weldable and Expandable
This specification details the requirements of an extrudable weld-through material which may be applied in the Metal Center, Assembly Plant Body Shop or, at an outside source. Note: Nothing in this...
May 1, 2014
Sealer – Preformed, Extrudable, Weldable and Expandable
This specification details the requirements of an extrudable weld-through material which may be applied in the Metal Center, Assembly Plant Body Shop or, at an outside source. Material Description....
July 1, 1992
Sealer - Preformed, Extruded Weld Through Expandable Tape
1 SCOPE. This specification details the requirements of an extruded weld through tape which will expand and cure upon heating. The material is intended to seal interior and exterior body joints...

References

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