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Media: Plastic

Plastic Preformed Media

  • Cast to shape /size
  • Full range from cutting to polishing
  • Wear rate
  • Lack of density/work efficiency

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

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
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"

Our Location and Operating Hours


Our Address:

1600 Douglas Ave.

Kalamazoo, MI 49007

United States

Our Hours:


8:00am - 5:00pm

Eastern Time Zone

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Phone: 269-345-7151

Fax: 269-345-1710



See Hammond Roto-Finish on MacRae's Blue Book

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