LSMIITTH Watch Glass Polishing Kit,Windshield Glass Scratch

you will get: 1.    20 grams high-grade(95%) Cerium Oxide Powder ( dark red color, special formula for high value glass.) 2.    4 pcs Wool Felt , Diameter: 1''=2.5cm, 2cm, 1.2 cm, 1cm , diameter of Rod / Shank is 6 or 3 mm ,can be holding by electric drill. 3.    Sanding paper grit 320,1000,3000,7000 ,  3 pcs for each grit. ( Only using for deep scratch ,No need for light scratch) 4.    one cloth synthetic chamois leather. (Microfibre Cloths, using for hand polishing, if you have no electric rotary tool) 5.    one strip of Masking tape ,to prevent water inside cellphone or watch , protect / cover  the area no need polish. Cerium Oxide is the best polishing powder to glass scratch because the chemical and physical reaction. China produced 80% of this kind of Rare Earth . It can remove scratches from any type of watch glass including acrylic, mineral crystal, Hardlex glass, Gorilla glass or sapphire crystal glass.   This kit also can polish telescope lens, mobile phones & tablet screens,glazed ceramic. Instructions for use: 1. Mix some water with Cerium Oxide Powder to paste, I suggest the distilled water or pure water, don't use mineral water. 2. Apply a small amount of polishing paste to the glass and felt 3. Let the felt  rub in a circular motion by using a power tool. 4. Work the polishing bob over the scratch, applying more polishing paste as needed. 5. Repeat until the scratch is no longer visible. 6. For deep scratches , use sanding paper grit 320 or 1000 first for coarse polishing, then use grit 3000 or 7000, for fine polishing, using which grit is  according how deep the scratch is , check the glass every 1--2 minutes,  you will see deep scratch disappear after 5--10 minutes,  glass will get many light scratch and be vague, then use cerium oxide powder for above 5 steps *Be aware  excess heat and pressure may cause glass to crack. Polishing result is greatly affected by your skill and scratches , you can find many video in Youtube : " how to polishing glass" to learn first. *Be aware  excess heat and pressure may cause glass to crack. www.youtube.com/watch?v=PfWlPHc4Ukg ， www.youtube.com/watch?v=IrdSfL8w0Zo  , www.youtube.com/watch?v=zOWdI5pKjfk  ,  www.youtube.com/watch?v=doYlaQlCloQ Shipment: 1. Free Shipping with tracking number.
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