... 1.closed-type bubble structure ,high density 2.preformed flexible 3.ISO9001,IQNET. 1.Product features:1). Low density,closed-cell structure ,low ... to 110 degrees,good weather ability;5).Excellent fire performance, high density flexible foam board 2.Application:widely used in central air ... that multi-layer re-packaging, until the desired thickness. high density flexible foam board used in equipment