型号:30 / 32 / 34 / 36 / 38 / 40 / 42 / 44 / 46 / 48 / 50 / 52 / 54 / 56 / 58 / 60 mm 德国原装正品假一罚十(各位买家请在拍前确定品牌和型号，所以请亲们在不确定的情况下咨询客服） the test inks are fluids of defined surface teion, which are available in bottles of 10, 100, 250 or 1000 ml. the surface energy of a substate is checked by simply applying the test ink to the surface. the accuracy of the measurement is 1 mm. the test inks are available in a range from 18.4 to 105 mm at almost any value. in the standard range between 28 and 56 mm there are different sets offered, coisting of 7 bottles of 10 ml each, with a small brush for the appliction integrated into the cap. for more details please refer to our price list. advantages: • possibility of quick measurements with high accuracy • no spilling • extremely easy to handle • minimum coumption of test fluid • long shelf life if cap is kept closed properly 本产品的加工定制是否，规格是30～44（达因），是否循环使用是一次性电晕笔，用途是测试表面张力，属性是属性值