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Why do some polishing agents work on some stones and not others? Why do some laps work better than others? Why isn't this !@>#$% stone polishing? Why, why, why?
Polishing is one of the challenges in lapidary work that gets even the most experienced faceters scratching their heads.
The explanations below of what each polishing lap can be used for should be taken with a grain of salt. Although I wouldn't recommend using a ceramic lap for polishing tourmaline or beryl, I know people who get excellent results using this method. In other words, what works for you may not work for me or the next person. If you get results that are satisfying, stick with what you are doing unless you enjoy experimentation.
There are two main types of polishes used in faceting: Oxides and Diamonds. The two most common oxide polishes are cerium oxide and aluminum oxide. Polishing with diamond can be done with 50,000 grit, 100,000 grit, or 200,000 grit. Overseas commercial cutters usually polish to 14,000, but most hobbyists and custom cutters consider 14,000 to be nothing more than a very fine pre-polish.
Ultralaps SUPER LOW PRICES!!!
We stock all Ultralaps listed in both 6" and 8" sizes!
Ultralaps are thin polyester sheets with a coating of polishing agent. You must use a Master Lap, or other flat lap as a base for Ultralaps. Ultralaps are inexpensive, but can cause rounding of the facets. This problem is reduced as the pressure on the lap is reduced. Once these laps are worn out, they are discarded. However, some people keep using them by adding a slurry of polishing oxide while they polish.
| 8"
OXIDE ULTRALAPS (5 pack) | 6"
OXIDE ULTRALAPS (5 pack) | |||
| Oxide Type: | Price: | Oxide Type: | Price: | |
| Aluminum Oxide "A" | $8.00 | Aluminum Oxide "A" | $5.00 | |
| Aluminum Oxide "B" | $10.00 | Aluminum Oxide "B" | $7.00 | |
| Chrome Oxide | $8.00 | Chrome Oxide | $5.00 | |
| Cerium Oxide | $8.00 | Cerium Oxide | $5.00 | |
| Spectra | $10.50 | Spectra | $8.00 | |
| Tin Oxide | $8.00 | Tin Oxide | Discontinued | |
| 8"
DIAMOND ULTRALAPS (Sold Individually) | 6"
DIAMOND ULTRALAPS (Sold Individually) | |||
| Diamond Size: | Price: | Diamond Size: | Price: | |
| 15 Micron (1,200 grit) Diamond | $22.00 | 15 Micron (1,200 grit) Diamond | $15.00 | |
| 6 Micron (3,000 grit) Diamond Out of Stock | $22.00 | 6 Micron (3,000 grit) Diamond Out of Stock | $15.00 | |
| 3 Micron (8,000 grit) Diamond | $22.00 | 3 Micron (8,000 grit) Diamond Out of Stock | $15.00 | |
| 1 Micron (14,000 grit) Diamond Out of Stock | $22.00 | 1 Micron (14,000 grit) Diamond Out of Stock | $15.00 | |
| .5 Micron (50,000 grit) Diamond Out of Stock | $22.00 | .5 Micron (50,000 grit) Diamond Out of Stock | $15.00 | |
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Lap Containers
Lap Containers help protect your polishing laps from getting contaminated. Our Lap Containers interlock with one another, so you can keep your laps neatly stacked. We highly recommend Lap Containers for all of your polishing laps. A 1/2" post inside the Lap Containers holds the lap firmly in place, so 6" laps can also be stored in our Lap Containers.
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