Product Description: SMT cleaning paper by dust - free paper and lined Pipe ( paper or plastic tube ), and lined pipe length, diameter and outer diameter, dust - free paper width, length ( can be customized according to customer request ). 1. Inner lining of tubes: The appearance of a flat, smooth. 2. Material composition: 55% fiber, 45% wood. 3. Number of grams: 56 - 68 features: Very low rate of hair removal, Air Permeability is good, uniform thickness, water absorption of good, is the ideal Printing Screen wipe clean the media.