PUMICE POWDER GRADE FFFF L1018079P

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SKU: L1018079P

FOR USE IN LAPIDARY AND OR WOODWORKING *** (GRADE FFFF, 200 mesh) ***

€7.55

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4 OUNCE BAG | $7.95
USE AS PRE-POLISH ON SOFTER LAPIDARY MATERIALS AND OR WOODWORKING

Pumice, one of the oldest natural materials, a volcanic stone ground into powder and graded uniformly from grades F-FFFF. F grade being the most coarse (60 mesh) and FFFF being the finest (200 mesh). Grades FF-FFF for flat and satin finishes, and FFFF being a high satin finish. We have found that with softer materials like turquoise, opal and like materials flat spots or orange peel on cabochons can be removed with pumice powders.
Please beware that pumice is a relatively soft material that an FF 60 mesh pumice powder is not as abrasive as 60 mesh diamond or carbide grits. NOTE* Pumice powder should always be used as a pre-polish as it will scratch a polished surface.
Mix with water or glycerin oil to a toothpaste consistency, apply to a damp felt wheel and lightly buff the material. Follow with Rottenstone (Tripoli) also a natural finer (400 mesh) ground limestone material mixed with diatomaceous, amorphous, or crystalline silica, to obtain a semi-polish and move to the normal oxide polishes for that high gloss finish.
In polishing of all lapidary materials each one reacts different, the pressure applied, polish media, heat, the material being polished and other factors all take part in a good high polish.
Our experience working with pumice powder has been very rewarding on materials where the oxide polishes just polish the flat spots and shine the orange peel.
4-ounce bag (net) Grade FFFF uniformly ground off-white color powder.
Always test on a test piece of material.
Always keep out of reach of children and Do Not Consume
Pumice is nonstaining when used with water or vegetable glycerin oil.

4 OUNCE BAG | $7.95
USE AS PRE-POLISH ON SOFTER LAPIDARY MATERIALS AND OR WOODWORKING

Pumice, one of the oldest natural materials, a volcanic stone ground into powder and graded uniformly from grades F-FFFF. F grade being the most coarse (60 mesh) and FFFF being the finest (200 mesh). Grades FF-FFF for flat and satin finishes, and FFFF being a high satin finish. We have found that with softer materials like turquoise, opal and like materials flat spots or orange peel on cabochons can be removed with pumice powders.
Please beware that pumice is a relatively soft material that an FF 60 mesh pumice powder is not as abrasive as 60 mesh diamond or carbide grits. NOTE* Pumice powder should always be used as a pre-polish as it will scratch a polished surface.
Mix with water or glycerin oil to a toothpaste consistency, apply to a damp felt wheel and lightly buff the material. Follow with Rottenstone (Tripoli) also a natural finer (400 mesh) ground limestone material mixed with diatomaceous, amorphous, or crystalline silica, to obtain a semi-polish and move to the normal oxide polishes for that high gloss finish.
In polishing of all lapidary materials each one reacts different, the pressure applied, polish media, heat, the material being polished and other factors all take part in a good high polish.
Our experience working with pumice powder has been very rewarding on materials where the oxide polishes just polish the flat spots and shine the orange peel.
4-ounce bag (net) Grade FFFF uniformly ground off-white color powder.
Always test on a test piece of material.
Always keep out of reach of children and Do Not Consume
Pumice is nonstaining when used with water or vegetable glycerin oil.

Product tags

lapidary supplies (16)
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pumice (3)
,
woodworking (3)

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4 OUNCE BAG | $7.95
USE AS PRE-POLISH ON SOFTER LAPIDARY MATERIALS AND OR WOODWORKING

4 OUNCE BAG | $7.95
USE AS PRE-POLISH ON SOFTER LAPIDARY MATERIALS AND OR WOODWORKING