HOT TACK TESTER (HT-1XS)

Cod: 100734Standard: ASTM F1921, ASTM F2029.

Hot Tack Tester, HT-1XS, with Touch Screen, for determination of the hot tack seal strength of flexible packaging materials, to ASTM F1921.

In vertical (VFFS) and horizontal (HFFS) form-fill operations, heat seals are often subjected to forces whilst still hot.

Cold peel testing can be performed on the same instrument, thereby making it possible to study Hot Tack and Cold Peel performance (ultimate seal strength) of seals and to obtain information about package performance both under production conditions and development.

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FEATURES:

Heat Sealing Process:
- Temperature range – ambient to 250 deg. C +/- 1 deg C reading to 1 deg C, RTD input (deg F can be selected via the screen).
- Pressure range – 0 to 100 psi +/- 5 psi (other units can be selected via screen).
- Dwell Time range – 0 to 99.999 sec +/- 0.1 sec. Meeting ASTM 2029. Heat sealing head pneumatically operated to extend for heat sealing cycle and then return to rest position. Ensures heat is not influencing seal whilst waiting for pull cycle or when cold peel test option selected.
Sealing Jaws:
Heated, upper and lower ground flat aluminium jaws 25 x 50 mm, supplied as standard. Jaws have an interchangeable feature which enables crimp jaws or customised jaws to be fitted. Alignment of jaws made through spring mounted lower bolster. Teflon coating of jaws is an option.
Hot Tack Measuring:
Load cell ‘Z’ bend strain gauge range - 2000 g or 5000 g (20N or 50N) +/- 0.25%. Pull speed range – 1 mm/sec to 1000 mm/sec. Manual or automatic return of cross arm to start position. Maximum cross arm travel – 100 mm. Travel indication shown on main display panel in mm. Delay on pull range – 0 to 99 min 99 sec.
Film clamps:
Left and right pneumatic clamps synchronised with pulling operation.
Cold Peel:
Allows seal to completely cool and cure before pulling operation takes place producing cold seal strength measurement. Cooling Range – 0 to 99 hrs 99 mins 99 sec.
Safety Guard:
Micro-switch controlled guard in position feature.
Environment:
5-50 ºC ambient operating temperature, RH 75% max (non-condensing).
Accessories supplied:
1000 g calibration weight. 25 mm x 350 mm sample seal template.
Options available:
- Crimp jaws 25 x 50 mm, 120 deg x 1.8 mm pitch.
- Teflon coating to sealing jaws. Silicone rubber covered lower jaw.
- Set of disc weights, 1 set consisting of 2 x 100 g, 2 x 20 g, 5 x 10 g, and 5 x 2 g.
- Template for cutting the test sample.
- Seal strength tester.

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AUTOMATIC HOT TACK TESTER (HT-2PC)

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HOT TACK TESTER (HT-1XS)

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