Ceriuim Oxide Hi Grade optical white 44 lb bucket

Description

Cerium Oxide optical white powder was developed for mass production in glass polishing and precision optics. It can be used in low concentration while sustaining excellent stock removal performance for reduction of costs.
Removing scratches with Cerium Oxide
Materials:
Cerium oxide powder
for the polishing
3” Felt polish pad
Drill (1500 rpm or less) to use with the polishing pad - polishing too fast will increase heat that may crack the glass.
Cleaning cloth to wipe and allow inspection of the work area
Small spray bottle - use to spray water on glass to keep damp and to prevent overheating
How to Polish:
Mix some polish into water to a form a thin creamy solution. Mix in a small container so you can easily apply to polishing pad
Clean glass thoroughly to remove all traces of dirt and grease
Apply polish mixture to the polishing pad
Mark the inside of the glass with the crayon to identify the area to be worked
Mount pad in the drill and apply to work area.
Move pad up and down, and left to right in work area.
Keep the surface wet to prevent glass getting hot - it should be warm to the touch but not excessively hot. If sufficient polish has already been applied, then just spray a fine mist of water to keep the area cool.
Wipe off residue with damp cloth and inspect repair - keep working until polish is satisfactory
Wash and store pad for later use
IMPORTANT
- Do
NOT
let the glass get too hot while buffing - it should be warm to touch but not extremely hot.  Prevent overheating by spraying with water occasionally and keep the buffing pad moving continuously.
Deep Scratches
If the scratch can be felt with a fingernail, it is probably too deep to remove by polishing alone.  You will need to grind out the scratch with progressively finer grit.  This is a more specialized (and tedious!) job and it may be best to seek the advice of professionals in these cases.
For valuable pieces, please seek professional advice before attempting a DIY repair