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GMNA 9985422
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About This Item
Full Description
This specification is a component performance specification that covers the requirements for decorative real wood trim and components made of decorative real wood. These materials are limited to areas where low levels of ultraviolet radiation and lower interior temperatures are experienced. The material used shall be a plywood or hardwood veneer and processed to produce components of a quality such that all requirements of this specification are met.
Some parts manufactured from these materials may require an aluminum, fiberglass, thermoplastic or approved equivalent layer incorporated into the lamination or as a substrate. This may help a formed part retain its shape, act as an anchor for metal mounting studs or aid in the prevention of warpage or splintering upon impact. The bond between these layers must remain intact in all of the tests and each unique composite shall be tested to the part construction portions of the specification.
The finish shall be a wear and soil resistant polyester, polyurethane or approved equivalent. The back and non-visible edges shall be sealed to minimize moisture absorption.
Certain applications may require the use of a pressure sensitive adhesive on the side opposite the decorative veneer. If an adhesive is required, the adhesive must be uniform across the surface to which it is applied and shall be pressure sensitive over a temperature range of 0 to 55°C. To protect the adhesive and facilitate handling, the adhesive mass shall be covered with a release liner, which can be readily removed when the material is to be applied. The liner must adhere to the part during shipping and storage but must separate cleanly without loosening or removing adhesive.