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Copper Lap 8", Precision Machined on Master, Gem Polishing




AUD $70.00


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22 Units in Stock


  • Description
  • Reviews

This copper lap has been developed by Aussie Sapphire to save you money - it's made using a 0.75mm thick CU  bonded to an aluminium backing plate (master lap) and then precision machined.  It has a half inch (0.5") centre hole suitable for all faceting machines. Copper prices are sky high so this Lap gives you excellent quality without added cost.  

These are individually wrapped in bubble wrap and packed in strong corrugated cardboard box for additional protection during shipping.

NOTE:  Select from Regular or Express Post at the checkout - shipping weight is 800 grams.  Registered Post or Courier is available on request.

Guide to using COPPER LAPS.

Following the Diamond Laps a  Copper Lap can be used as a pre-polish .  Load the copper lap with 3,000 grit polish using a small amount of oil as lubricant (sewing machine oil or INOX works well). NB: you dont need to score a CU Lap. Polish facets already cut. Light pressure is all that is needed. Get rid of all fine scratches - the better the polish you can achieve now will make the final polish easy. You only need to polish on a slow speed of about 2 or 3 (depending on material). Once all facets are pre-polished give the stone a good clean with water and detergent.  NB: no water coolant this stage.

Always clean your stone and hands with water and detergent between laps. All work areas should be kept clean to prevent contamination.  All laps should be stored separately and carefully to avoid contamination.  Cleanliness and good housekeeping of the machine and work area is very important.

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