Browse Categories

Mini (3") Automatic Grinder/ Polisher with Complete Accessories - EQ-Unipol-300

Please email for lead time
Item Number: UNIPOL300


* denotes required field

Choose Extra 3" Lapping Plate and Rubber Polishing Collar*
Choose extra sample Holder*

EQ-Unipol-300 is an automatic mini-grinder / polisher for preparing TEM, metallographic samples in a single mount. The machine equips with 3" fix lapping plate, variable sample moving speed, adjustable pressure load and selectable time switch to achieve attention free polishing. 

Unipol 300 simulates human hand to grind and polish sample via randomly moving sample holder on top versus fixed 3" plate. It is very suitable for preparing < 1" Dia specimen in low volume laboratory for material research, failure analysis, and medical test. By combining our SYJ150 low-speed diamond saw,
 you can own a processing lab on one desk to prepare versatile specimen at an affordable budget.



AC 110V and 208-240V (50/60Hz) switchable for worldwide operation.

Max. Moving Weight of Specimen 200g
Max. sample size 25 mm Dia.  x  20 mm H

3" glass lapping plate (front & back)
  • Easy to use and affordable
  • Variable moving speed for the sample holder on top
  • Adjustable pressure load by a spring inside from 0-5 Newton
  • Automatic timer setting from 0 to 99 hours
Accessories                         Diamond Polishing Paste
Overall Dimensions 420mm L x 190mm W x 210mm H

Net Weight 27 lbs
Package Dimensions 34" x 14" x 14"
Shipping Weight 34 lbs
Operation Instructions
  • CE Certified
  • NRTL certification is NOT available temporarily.

  • One year limited warranty with lifetime support
  • Rusting and damage due to improper storage condition or maintenance are not covered by warranty



 P/N  Item Name  Qty.
 EQ-Unipol-300  EQ-Unipol-300 Grinding / Polishing Machine  1
 UP-300-02  Rubber Polishing Collar  1
 UP-300-03  3" Glass Lapping Plate   1
 UP-300-04  1" dia. sample holder for flat sample  1
 UP-300-05  1" dia. sample holder for inserting bulk sample  1
 UP-300-06  3" Poromeric Polishing Pad (PSA) for Final polishing  3
 UP-300-07  AC power cord  1
 UP-300-08  Operation manual  1
 UP-300-09  1 set of 3 syringes (10g) diamond paste with 0.25, 1.0, and 3.0 micron grit  1 set

Related Products

Shopping Cart
Your cart is empty.
Please clear the browsing history before ordering the product. Otherwise, availability and price are not guaranteed.
Mailing Lists
MTI sponsorships:
MTI Sponsors Thermoelectrics Workshop

MTI-UCSD Battery Fabrication Lab

MTI Sponsors the Postdoctoral Awards

Upcoming Shows:

2023 MRS Fall Meeting Nov 26 - Dec 1 Boston MA

Advanced Automotive Battery Conference AABC 2023 December 11 - 14 San Diego Booth 107

APS March Meeting 2024 March 4 - 8 Minneapolis MN Booth 629

Recent Attended Shows:
ABAA Meeting 14 Oct 29 - Nov 1 Ho Chi Minh city Vietnam

ACS Fall 2023 August 13 - 17 San Francisco CA Booth 664

AABC Europe 2023 June 19 - 22 Mainz Germany Booth 602

Click here to see our past conferences

1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Prices vary from country to country.
2. We may add extra charges for paper orders and NET 30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.