news sae j1634 vibration attenuation test of tris(dimethylaminopropyl)hexahydrotriazine in automotive nvh sound insulation parts research on the application of tris(dimethylaminopropyl)hexahydrotriazine in automotive nvh sound in... 03/1982SAE J1634 Vibration Attenuation Test of Tris(dimethylaminopropyl)hexahydrotriazine in Automotive NVH Sound Insulation Parts