Terms

Type I Polyester - Plasti-Grit® Plastic Blast Media is a soft abrasive grit effective for paint stripping and blasting composites, plastics and fiberglass. Blasting with Polyester is also used for deflashing electrical components without damaging delicate parts. Polyester is the softest plastic media type. Type I meeets the requirements of Mil-Spec MIL-P-85891A and is approved for use by the U.S> Army, Navy and Air Force. Industries include: electronics and paint & coatings.

Unit of Measure

Specifications

Material

N/A Polyester
Mesh Size1 N/A 40/60

Packaging

N/A 250 lb Fiber Drums 50 lb Boxes

MOH Hardness

N/A 3

Barcol Hardness

N/A 34 - 42

Selected Application

N/A Electronics: light deflashing and deburring of encapsulated circuits. Soft metals and fiberglass: paint, primer and contamination stripping.

Benefits

N/A

  • Non-toxic
  • No chemical solvents
  • No damage to finished surfaces
  • Consistent specific gravity
  • Long-lasting, recyclable
Plasti-Grit - The media of choice for dry stripping:
  • Aircraft - Supersized carriers, Helicopters, Single Engine planes and aircraft components
  • Trucks, Trailers, Vans, Cars (Including Corvettes), Rail cars, Motor homes, Buses, Subways, Bulk tankers, Bridges and other structures, engine parts, turbine blades
  • Encapsulated electronic components
  • Plastic molded parts
  • Composites and Soft metals
  • Production Lines - Surface preparation, Cleaning, Defect Correction
  • Re-manufacturing - compressors, engines, meters, telephones, traffic lights.

Testing Services

N/A Send test samples to Composition Materials Co., Inc., 125 Old Gate Lane, Milford, CT 06460. We will recommend the correct PLASTI-GRIT type and grit size as well as suggest blast parameters to achieve the best results.

  • 1 Speciality Sizes Available