无锡建仪板芯与护面纸粘结仪主要用于测定石膏板芯材与护面纸的粘结程度,板芯与护面纸粘结仪NJ-2 符合GB/T9775标准要求。 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