Methods are provided for testing a honeycomb body comprised of a core portion comprising honeycomb cell walls and a circumferential skin portion overlying at least some outer honeycomb cell walls. The circumferential skin portion includes a cement mixture layer. The method comprises the step of directing...http://www.google.es/patents/US8051703?utm_source=gb-gplus-sharePatente US8051703 - Methods for using a fluid stream to test a honeycomb body
Methods for using a fluid stream to test a honeycomb body
