GMW GMW16150 PDF

This specification details the material and performance requirements for 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. High expanding versions of these sealers, known as baffles or pillar fillers, may be used to fill the cross section of body cavities to reduce airborne noise.

Material Description. Materials approved to this standard may be either Tacky or Non-Tacky.

Tacky. Tacky materials are applied directly to oily metal. They must remain in position in the uncured state up to and throughout the pretreatment and electrocoat processes.

Non-Tacky. Non-tacky materials are loosely applied to oily metal. They generally require a carrier or fastener to hold them in place in the uncured state, up to and throughout the pretreatment and electrocoat processes. Parts made from these materials have an optimum design for corrosion avoidance when they allow sufficient clearance between the uncured part and the adjacent metal to enable electrocoat coverage behind the part.

Symbols. Not applicable.

Typical Applications. These materials are typically applied manually in the Body Shop.

Remarks.

These materials are not intended to be weldable or fuel resistant, or applied in the Paint Shop.