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PosiTest-Adhesion-Tester PosiTest Pull-Off Coating Adhesion Tester

Made in the USAThe PosiTest adhesion tester determines the adhesion of a coating or paint layer to its substrate. This destructive adhesion test method works as follows; a metal dolly is glued to the coating or paint layer and is pulled from the substrate vertically with help of the hydraulic adhesion tester.

The pulling mechanism of the PosiTest adhesion tester is self-aligning to make sure the dolly is pulled perfectly vertical under every circumstance, producing reliable, repeatable measurements. Peeling of the dolly producing incorrect results is prevented with this mechanism.

The norm for adhesion testing prescribes the maximum pull rate, pulling too fast results in incorrect measurements. The adhesion tester is equipped with a pull rate indicator preventing the user from pulling the coating from the material too fast.


  • Portable, hand-operated instrument requires no external power source – ideal for lab and field use
  • Large, easy-to-read LCD
  • Pull Rate Indicator – allows operator to easily monitor and adjust the rate of pull in accordance with international test methods
  • Easily select dolly sizes, change measurement units or store readings, with the touch of a button
  • Conversion charts not required – tester automatically calculates pressure based on dolly size
  • Inexpensive, single-use dollies eliminate cleaning re-use and can be kept as a permanent record
  • Each kit comes with everything needed for testing


  • Weatherproof, dustproof and shockproof
  • Quality hydraulic pump can be used in any position
  • Rugged carrying case
  • One year warranty


  • Every PosiTest adhesion tester pressure system is calibrated and certified to ± 1% accuracy using an NIST traceable load cell
  • Self-aligning dolly enables accurate measurements on smooth or uneven surfaces
  • Hi-grade, industrial pressure sensor ensures continued accuracy
  • Conforms with ASTM D4541/D7234, ISO 4624, SSPC-CS 23.00/AWS C2.23/NACE No. 12, and others


  • Internal Memory stores maximum pull-off pressure, rate of pull, test duration and dolly size for up to 200 pulls
  • Optional software available for downloading to a computer
  • LCD displays pressure value in psi or MPa
  • 10, 14, 20 or 50 mm dollies maximize capability and accuracy across a wide range of bond strengths


Dolly Size Adhesion Strength
10mm 10000 psi 70 MPa
14mm 6000 psi 40 MPa
20mm* 3000 psi 20 MPa
50mm** 500 psi 3.5 MPa
* supplied with PT-AT-100
** requires 50mm kit

Optional Accessories

50 mm Accessory Kit

  • Ideal for lower bond strength finishes such as coatings on wood, concrete and plastic
  • Larger surface area of test dolly provides improved low range precision and repeatability
  • Range 0 - 500 psi (0 - 3.5 MPa)
  • Includes 50 mm stand-off, 50 mm hole saw, and 50 mm test dollies (12)

Drilling Template for 50 mm Dollies

  • Drilling template and drill bits to isolate test area, ideal for thicker coatings on concrete. Includes (10) drill bits 5/32" (4 mm)
PosiSoft for Windows® analysis software
  • Ideal solution for those who wish to download to a PC for printing or archiving
  • Allows entry of notes and annotations
  • Multi-language support including English, German, Italian, Spanish and French
  • Exports to a document or spreadsheet
  • Includes USB cable for computer hook-up

Adhesive Kit

  • Additional adhesive, mixing sticks, palettes and cotton swabs
  • Additional supplies of standard 20 mm and 50 mm dollies
  • Custom 10 mm and 14 mm dollies


AT50TKIT Tile Conversion Kit

  • Designed to measure tensile strength of ceramic tile cementitious, dispersion and reaction resin adhesives in accordance with BS EN 12004-2
  • Conforms to BS EN 12004-2
  • Includes 50 mm x 50 mm steel dollies (4), and 50 mm x 50 mm stand-off

More details

AT50TKIT Tile Conversion Kit 127395

  • Pull Rate Indicator – allows operator to easily monitor and adjust the rate of pull in accordance with international test methods.

Complete Kit
The AT-M complete kit includes 20 mm aluminum test dollies (20), abrasive pad, cutting tool, adhesive with mixing sticks and palettes, cotton swaps, batteries, instruction booklet, Certificate of Calibration traceable to NIST, instructional video all supplied in a sturdy, lightweight carrying case.

Related Products

PosiTest AT-A PosiTest - Automatic Adhesion Tester

  • Environmentally sealed enclosure – weatherproof, dustproof and shockproof - meets or exceeds IP65
  • 10, 14, 20 or 50 mm dollies maximize capability and measurement resolution across a wide range of bond strengths
  • Rotating display for horizontal and vertical use

More details

PosiTest AT-A PosiTest - Automatic Adhesion Tester

Buy Now

PosiTest-ATM-20 - PosiTest Adhesion Tester - Complete Kit 20mm Dollies
€ 1.797,00 
PosiTest-ATM-50 - PosiTest Adhesion Tester - Complete Kit 50mm Dollies
€ 1.797,00 

PT-AT-50-KIT - Includes 50 mm stand-off, holesaw and 12 test dollies
€ 272,00 
PT-AT-20 - Package of 10 additional 20 mm dollies
€ 34,00 
PT-AT-50 - Package of 4 additional 50 mm dollies
€ 45,00 
PT-ADHESIVE - Additional Adhesive Kit
€ 40,00 
PT-TEMPLATE - Drilling Template for 50 mm Dollies
€ 139,00 
PosiSoft - Free PosiSoft Analysis Software
€ 0,00 
PT-AT-10 - Package of 10 additional 10 mm dollies
€ 45,00 
PT-AT-14 - Package of 10 additional 14 mm dollies
€ 45,00 
PT-AT-14-XL - Package of 100 additional 14 mm dollies
€ 380,00 
PT-AT-20-XL - Package of 100 additional 20 mm dollies
€ 245,00 
CASEATM-P - Pelican Case for PosiTest AT Manual Pull-Off Adhesion Testers
€ 245,00 
AT50TKIT - 50 mm x 50 mm Tile Conversion Kit
€ 428,00 
All mentioned prices are excluding VAT & excluding shipment costs.
Availability: Available , preorder 1-2 weeks , special order, request

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