Although the largest market for core is still aerospace — where high-performance aluminum and aramid honeycomb cores are used in aircraft primary structure, as well as in interior panels and floors — ...

This video from Charlotte Pipe shows a sound test of various DWV plumbing systems. Materials tested are cast iron soil pipe, solid wall PVC and foam core PVC, with and without insulation products.

Watch as Charlotte Pipe associates test DWV plumbing systems and measure sound, with and without insulation products. The test shows cast iron soil pipe, solid wall PVC and foam core PVC. Please note, ...