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Media: Plastic
Plastic Preformed Media
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- Cast to shape /size
- Full range from cutting to polishing
- Wear rate
- Lack of density/work efficiency
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Plastic Finishing Media
Hammond Roto-Finish is proud to present its new line of premier polyester plastic medias. These formulations range from very aggressive to very fine pre-plate and light cut with an almost luster
finish.
Garnet (PE-1)
Very fine pre-plate finish, with minimal cut. Smooth uniform finish almost lustrous may be used with burnishing compound to bring out bright color. Surface finishes in the 5-10 Ra on soft metals
Red in color
Sapphire (PE-2)
Good cutting formulation for use as a final finish or as an intermediate step for final low Ra finishes. Lower foam levels than most polyester media especially in high energy. Ra values of 25-30 on soft
metals
Blue green in color
Amber (PE-3)
Fine preplate media for use on all metals. It will leave a light uniform galvanized look on the surface with minor stock removal. It will provide typical Ra values of 8-12 on soft metals.
Yellow in color
Tiger-eye (PE-4)
Medium cut plastic which develops a nice smooth surface on hard or base metals and can be use and will provide mild stock removal on softer metals and plastics. Typical Ra values of 15-30 on
soft metals.
Orange-brown in color
Alabaster (PE-5)
Aggressive cutting formulation, Excellent stock removal and deburring properties. Lower foam levels to increase cutting action. Surface finishes in the 30-35 Ra range on soft metals.
Off white in color
Jade (PE-HD)
Aggressive cutting media with approximate density of 80-95 lbs per cubic foot. The added weight increases the cutting ability and leaves a surface finish Ra of 30-45 on soft metals.
Light lime green in color
| Grade |
Description |
< 1/2" |
1/2"–1" |
> 1" |
| Garnet |
High finish, low cut, excellent Ra |
$3.90 |
$2.50 |
$3.30 |
| Amber |
High finish, low cut, low RA |
$2.25 |
$2.00 |
$1.85 |
| Tiger-eye |
Good finish, medium low cut, low Ra |
$1.75 |
$1.55 |
$1.50 |
| Sapphire |
Good cut, average finish, higher Ra |
$1.75 |
$1.55 |
$1.50 |
| Alabaster |
Excellent cut, medium finish, higher Ra |
$1.65 |
$1.45 |
$1.40 |
| Jade |
High density, high cut, medium finish, higher Ra |
$1.80 |
$1.60 |
$1.55 |
| Cones (Round and Taper Top) |
5/16", 3/8", 1/2", 3/4", 1", 1-1/2", 2" |
| Tetrahedrons |
3/8"x3/8", 1/2"x1/2", 3/4"x3/4", 1"x1", 3"x3" |
| Cylinders |
3/8", 1/2", 3/4" |
| Pyramids |
1/2"x5/8" |
| Ellipse |
1"x1-1/4"x3/8" |
| Arrowhead |
1-3/4"x1"x1" |
| Stars |
1-1/2"x1-1/2"x5/8" |
| Triangles |
1/2"x3/4"x1/2", 3/4"x1-1/2"x3/4" |
| Bowtie |
3/4"x1-1/8", 1-1/8"x2", 1-3/4"x3" |
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