Non-metallic materials submitted for approval to Materials Engineering that are subject to ultraviolet weatherability requirements are to be tested as stated in the following methods. The specific method required, test duration, and pass/fail criteria are described in the applicable material specification. Refer to the General Information section on page 2.

Restricted Chemical Substances

All product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 specification.

APPLICATION

This method outlines conditions required for the accelerated weathering of non-metallic materials for the purpose of acceptance testing.