
In the FORD WSS-M15P4-F standard developed by Ford Motor Company (FORD), rigid, color-molded interior trim panels, sills, roof and floor consoles, and rigid instrument panels combine a variety of materials to provide a trim assembly with decorative or functional features. durability and performance requirements are described.

The mentioned standard is used together with another FORD standard, “FORD WSS-M99P1111-A Standard requirements for production materials”.
The FORD WSS-M15P4-F standard is based on performance and has no approved sources.
All test values are based on material conditioned at least 23 hours prior to testing in a controlled environment at 2 plus/minus 50 degrees and 5 plus/minus 24 percent relative humidity. Testing of materials should be done in the conditioning environment or immediately after removal.
Non-resin components or components whose performance is specified separately in the assembly performance specifications listed below are outside the scope of this standard:
Testing of colored mold components and testing of invisible components are detailed in the separate tables, unless otherwise specified by Ford Motor Company. Testing should be done on parts unless part geometry permits. In this case, plates suitable for production grain and color are used.
Injection molding is one of the most widely used manufacturing processes for plastics. High quality injection molded automotive parts are mass produced from a wide range of polymers. In the automotive industry, where consistency, safety and quality are paramount, automotive plastic injection molding is an important manufacturing process.
Among the numerous tests, measurements, analyses, and evaluations our organization provides for businesses in various sectors, we also offer testing services to determine the assembly performance of colored hard molded inner parts under the FORD WSS-M15P4-F standard, utilizing a trained and expert staff and advanced technological equipment.
