Non Woven Polishing Wheel You must consider the follow information when you select: 1. The composition (materials) of your work pieces 2. The polishing effect you need on your work pieces 3. The speed of your polishing machine 4. The details of your polishing process Different color should be used in different work pieces Grey color The main color in the market, mainly for all kinds of metals Green color For after treatment of plating(like copper plating, polishing of bronze, polishing of die-casting metal wares) White color For plastic wares, glass and some metal wares which are dull finishing effect after plating Black color For stainless steel which has blue brightness finishing or dull brightness finishing Brown color For plating, low speed polishing Maroon color For steel wares, stainless steel wares MORE DETAILS 1. Made up of high temper nylon 66 staple, good quality abrasive and special glue. 2. Easy to be used for multi layers net structure 3. No rotation direction limit. SPECIFICATION (Diameter * Thickness/Inch) 6*1 /8*1 /2*2 /3*2 /4*2 /5*2 /6*2 /7*2 /8*2 /9*2 /10*2 /12*2 /14*2 /16*2 /18*2 /20*2(inch) GRIT 46#---3000# HARDNESS 2P---28P,or according customers requirment COLOUR Grey/Red/Green/White/Maroon/Brown/Dark Brown BORE All sizes hole:cycle/square/hexagon/cross,etc.Can also add different kinds of tubes. MAX ROTATION SPEED