2 WIPERS WIPERS 28 PVA Brush KM PVA Brush is the PVA based products for substrate and particle cleaning in the semiconductor and HDD manufacturing industries With this PVA Brush slurries and particles are effectively removed in the CMP process KM PVA Brush is processed and packaged in the ultra clean environment and is supplied many style and size for specific machine ● 100% Synthetic Poly Vinyl Alcohol (PVA) construction ● Opencell structure ● Excellent wet state elasticity ● High resistant to chemicals ● Antistatic function ● Lint and particle free ● Easy controlling pore size and shape ● Applications: Cleaning for CMP HDD and FPD etc How to order Customized PVA Brush is available Please ask to the sales representative for details Technical Data Contents Typical Value Apparent density 01 g/cm Porosity Pore size 30% Compressive strength Tensile strength Elongation Strength Absorption (DIW) Capacity Speed Viscosity (CPS*1) Degree of hydrosis (mol %) Ph 2 0001 g/cm2 90 5% Equivalent pore diameter of 110 87 gf/cm2 571% 563 kg/cm2 1023 50% 4 sec/cm 210240 855875 67

STATIONERY 3