PMB-21 Burnisher - Electric Model

Available in 240V or 480V/380V

PMB-21 Burnisher - Electric Model

STI Burnishers were developed to ensure maximum speed while delivering superior results in substrate polishing.

  • 5HP motor
  • Available in 240V or 480V/380V
  • Speed is controlled through a VSD
  • Higher RPM burnishing speeds deliver superior “wet look” shine
  • A low profile deck with bumper skirting
  • Lower torque
  • Tilt back deck design for quick pad changes
  • Standard water tank for wet operation only
  • Uses MG2 Diamond System, STI CASH Dots Diamonds, & SPIN-1 Diamond Pads
  • Prepackaged emergency "Repair Kits" are also available for purchase

Use the STI MG2 Diamond System for creating the best floor possible, and don't forget to purchase the PMB-21 Repair Kit so you are prepared for emergency breakdowns!

Item #808000210
Burnishing Width 21"/530 mm
Performance (per hour) 1,000SF/93 m2
Pad Speed 20 Hz-60 Hz (1800-3500 RPM)
Length 58"/147cm
Width 28"/71 cm
Height 51"/129.5cm
Weight 237lbs/107.5 kg
Pad Size 21"/530 mm


PMB-21 Electric & Propane Burnishers

CASH Diamond Pad System for Polishing

CASH Dots System for Restoration

Burnisher Manual
Download Technical Data Sheet
Don't Forget Your Repair Kit for Emergencies!
Repair Kits for Emergencies

Contact Information

Substrate Technology, Inc.
1384 Bungalow Rd.
Morris, Illinois 60450

+1.815.941.4600 Fax