Product Description

The instrument is designed according to GB/T********9 (Cobb paper and cardboard absorbency method), which is used to test the absorbency of paper and cardboard, but not applied to valuate the writing capability of paper and cardboard. Technical parameters: Metal cylinder inside area: **0+/*0.2cm squared, height: *0mm, keep the touching part smooth between cylinder ring part and specimen Absorbency paper: **0~**0g/m squared, absorbency speed: *5mm/*0min Smooth metal roller: width:**0+/*0.5mm, weight:*0+/*0.5kg Dimension and weight: Dimension of item1: **0***0***0 (mm), weight: *0kg Dimension of itemII: **5***0***0 (mm), weight: *5k