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The Blastrac BMG 435 grinder and polisher is a three-headed planetary machine designed for multipurpose use on concrete, terrazzo, natural stone and wood surfaces. A variety of tooling makes this machine highly versatile: diamonds in coarse to very fine grits, polycrystalline diamonds (PCDs), polishing/resin pads and sanding disks.

  • 17.5” cleaning path
  • Prepares 150-250 sq. ft./hr.
  • Compact size and weight make for easy handling
  • Highly maneuverable
  • Grinding head detaches from the frame for easy portability
  • Available in either 220 or 110 volt power

Application The Blastrac BMG 435 grinder and polisher is ideal for concrete preparation and cleaning, leveling, and removal of mastics, epoxies, urethane, paint, coatings and old glues and mastics from old floor coverings. Additionally, it cleans and removes dirt, grease and scuff marks from terrazzo or natural stone. It will also clean and remove paint and coatings from wood and sand in preparation for refinishing.

Part Number:BMG-435MKIII
Production Capacity:150-250 sq. ft./hr.
Cleaning Path:17.5”
RPM:750 (plate), 70 (drum)
Gasoline Engine:N/A
Electric Motor:3 h.p. (approx.)
Power Requirements:220 V, 1ø, 60 Hz
110 V, 1ø, 60 Hz
Power Cord Length:50’
Tooling:Diamond, polycrystalline diamond, sanding disks, polishing pads/resins
Additional Weights:N/A
Other:N/A
Dimensions
(L x W x H):		27.5” x 17.5” x 47.5”
Weight:254 lb.
Options:Dust collector

How Grinders and Polishers Work:

Diamond grinders and polishers use horizontally rotating disks to level, smooth or clean a concrete surface. A diamond tipped or other type of abrasive wheel (such as a Zec litex disc) is mounted on the grinder. The grinder may have single or multiple heads and vary in power and production.

Grinders and Polishers are used to:

  • Remove coatings
  • Remove adhesive residues
  • Smooth or flatten concrete slabs, including troublesome curled expansion joints
  • Prepare concrete for a coating, overlayment, hardwood, or tile
  • Remove surface imperfections

For decorative concrete applications, some machines can be used to polish concrete to a high shine or to restore old slabs for architectural finishes.

Depending on the type of abrasive wheel used on the grinder, it can be used to lightly prepare the surface (especially useful when applying thin mil coatings) or can quickly remove mastics, epoxies, urethane, paint and thick coatings. Some types of multi-headed grinders can be outfitted with carbide slicers or PCD (Poly Crystalline Diamond) to quickly cut through heavy, built-up adhesives, elastomeric coatings, waterproof membranes and more.