1987-02-01

Testing Structural Requirements for Stationary Glass 870308

The use of polyurethane sealant adhesive for stationary glass bonding was advanced with the requirements set by the Federal Motor Vehicle Safety Standards. This requirement along with the demand to reduce vehicle weight led to the importance of using the glass as part of the rcof structure. The paper discusses the evolution of the adhesives used in stationary glass bonding from rubber gaskets and polysulfides to poly-urethanes. The science and technology of moisture cure polyurethane sealant adhesive systems and their performance criteria are described. Test methods were developed, and are described here, to show certain criteria of meeting FMVSS and structural strength for stationary glass bonding. Environmental testing was also developed to accelerate conditions the vehicle would experience under real conditions.

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