8 inch Copper Lap (Laminated) for Pre-Polishing [Size: 8 inch]

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$70.00

6 units in stock


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Copper Pre-Polish Laps/.

 

These laminated copper laps are designed to be a more affordable option to solid copper laps. 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 expensive 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:  Available in 6" or 8" diameter - selected required size from options above.

Guide to using COPPER LAPS.

Following the Diamond Laps, a Copper Lap can be used as for the pre-polish step.  Load the copper lap with 3,000 grit polish using a small amount of oil as lubricant (sewing machine oil or Snake Oil 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.

(763)

SKU 763

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