Wetting Tension Test Mixture No.33.0
FUJIFILM Wako表面湿润张力测试剂Wetting Tension Test Mixture(233-01851)
产品品牌:FUJIFILM Wako
产品货号:233-01851
产品规格:50mL
产品价格:咨询
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产品介绍
产品简介:
表面湿润张力测试剂(Wetting Tension Test Mixture)用于“塑料薄膜及薄板表面湿润张力试验法”的试剂。塑料薄膜的涂装、涂层、粘附时,要求保留薄膜上的油墨、涂层剂、粘合剂。所显示的这种保留能力将作为表面湿润张力的一种尺度。
顺次在塑料薄膜上涂上一系列表面湿润张力不同的混合液,使其恰好湿润薄膜,由此判定混合液表面湿润张力(μN/cm){dyn/cm2} 的数值。
单位 mN/m 表示这种表面湿润张力的数值,相当于品名的 NO. 。例如NO.31的表面湿润张力是31 mN/m (310μN/cm)×dyn/cm=1 mN/m (=10μN/cm)(SI单位的统一)。
测试方法:用含有试剂的棉棒在试验材料(薄膜)上横向涂抹一次,必需注意涂上的混合液的量会极大影响试验的正确度。涂上试剂后2秒,判定液膜中央部分的状态。当液膜没有产生破裂时,判定为“可润湿”;产生破裂时,判定为“不可润湿”。
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