無錫建儀板芯與護面紙粘結儀主要用于測定石膏板芯材與護面紙的粘結程度,板芯與護面紙粘結儀NJ-2 符合GB/T9775標準要求。 Model NJ-2 adhesive tester for gypsum board and face paper Purpose This device is used to test the glutinosity between the gypsum board core and the exterior material. Technical parameters