Gradient Heat Seal Tester is for the determination of the heatsealability of a surface, or sealant layer of films, laminates, composites and polymers etc. 

Gradient Heat Seal Tester conforms to standards of ASTM F2029, QB/T 2358 and YBB 00122003.

Gradient Heat Seal Tester features

1. PLC control and 7 inch touching screen operation

2. Five groups sealing temperature can be measured with one test

3. Proximity and pressure sensor for precise dwell time and sealing pressure control

4. P.I.D. temperature control

5. Foot petal equipped

6. Uniform heating by aluminum encapsulated sealing jaws

7. Independent heating of upper and lower sealing jaws

8. Sealing jaw customization available 

9. RS 232 port with professional software

Gradient Heat Seal Tester Specification

Sealing temperature      Room Temperature ~250℃

Temperature Gradient    ≤20℃

Deviation                  ±0.2℃

Dwell time                 0.1 s~9999S

Sealing pressure         0.15 MPa ~ 0.7 MPa

Double Heating Sealing Jaws  40mm×10mm×5(Sealing Surface)

Gas Pressure                   0.5 MPa~0.7 MPa of Air

Port Size                         Ф6 mm PU Hose