Item Type: Dust Removal Roller Material: Silicone, aluminum, plastic, iron, glue Roller Material: Silicone Melting Point: 150°C Water Soluble: Insoluble Peeling Test: Roll 60,000 times without peeling Inside Outside Diameter: 28mm/1.10in Bearing outer diameter 13mm/0.51in inner diameter 6mm/0.24in Viscosity Type: Medium viscosity Viscosity Value: 410D Hardness (Shore): ° Application: For dust workshop, kitchen staff hair cleaning, circuit board, PCB, LCD process, light guide sheet, soft film exact printing, SMT, clean room, electronic semiconductor and other industries when producing products, surface treatment required cleaning tools. Package List: 1 x Dust Removal Roller Note: 1. Only fine dust particles can be removed (not anti static). 2. After use, please roll back and forth on the sticky paper several times to keep the surface of the sticky roller clean.Easy to use:Simply roll it to the surface and immediately remove all unnecessary dust,giving you a clean environment. Usage:Suitable for dust- workshops,hair cleaning,circuit boards,PCBs,LCD processes,light guide boards,electronic semiconductors,etc. Handle Design: Wear resistant and perdurable black aluminum frame plastic handle, iron bearing, rubber bearing, non toxic, environmental protection, not easy to rust. Material:Made of liquid organic silicon material,it has high resilience,high temperature resistance and long service life. Efficient cleaning:The static roller prevents static electricity and can better clean small impurities such as hair,dander,dust,fibers,rubber powder,copper powder,etc,on the surface.