The adhesion Tester is mainly a detection instrument that peels the coating per unit area from the coating substrate. The pull-off method to measure the adhesion of the coating is to apply a vertical, uniform and measurable tensile force on the cemented surface of the sample at a specified speed, and measure the force when the adhesion between the coating film and the substrate or the coating film is broken.
This issue mainly compares the selection parameters of the two imported pull-off adhesion Testers, as shown in the table below.
| model |
PosiTest AT-A 20mm pull-off adhesion Tester |
Elcometer F510-20T Automatic Adhesion Tester |
| measurement method | automatic | automatic |
| Measuring range | ≤30Mpa | ≤10Mpa |
| Top specification | 20mm | 20mm |
| Units of measurement | Mpa psi | Mpa psi |
| Accuracy | ±1.0% | ±1.0% |
| Standards compliant | ISO 4624 ASTM D4541 ASTM D7234 ISO 16276-1 | ISO 4624 ASTM D4541 ASTM D7234 ISO 16276-1 |
| Optional accessories | Dingzi | |
| measurement method | fully automatic | fully automatic |
| Top size | 20mm | 20mm |
| Measuring range | 0.7~24MPa/100~3500psi | 2~25MPa/300~3600psi |
| resolution | ±1psi(0.01MPa) | 0.01MPa (1psi)0.01MPa (1psi/s) |
| precision | ±1% | ±1% |
| typical application | coating on metal | |
| data storage | 100,000 readings, 1,000 batches | 60000 readings, 2500 batches |
| show | Color touch LCD screen | |
| force unit | MPa, psi | MPa, psi |
| power supply | Rechargeable NiMH battery | 8 x AA NiMH/Alkaline batteries (16 rechargeable batteries with charger) or AC mains power (model T only) |
Users can choose according to their actual needs, and more adhesIon Meter product selection can be found at https://www.nbchao.com/list190/ .
