{"id":2847,"date":"2026-02-05T01:34:54","date_gmt":"2026-02-05T01:34:54","guid":{"rendered":"https:\/\/www.materialstests.com\/products\/htt-02-hot-tack-tester\/"},"modified":"2026-02-05T01:34:54","modified_gmt":"2026-02-05T01:34:54","slug":"htt-02-hot-tack-tester","status":"publish","type":"products","link":"https:\/\/www.materialstests.com\/he\/products\/htt-02-hot-tack-tester.html","title":{"rendered":"HTT-02 Hot Tack Tester"},"content":{"rendered":"
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1.Introduction of\u00a0Laboratory Hot Tack\u00a0Tester|\u3001Plastics Testing<\/a><\/strong><\/h2>\n<\/div>\n

Laboratory Hot Tack Tester<\/strong>\u00a0is specifically designed to assess this property by measuring the strength of\u00a0heat seals<\/strong>\u00a0formed between thermoplastic surfaces immediately after the seal is created, before it has a chance to cool down to room temperature. This testing process is essential for evaluating the performance and reliability of heat seals in various applications.\u00a0Our\u00a0hot tack tester<\/strong>\u00a0is designed for\u00a0precise hot tack testing<\/strong>, following the standard\u00a0hot\u00a0tack test<\/a>\u00a0method<\/strong>. As a reliable\u00a0hot tack\u00a0Heat Seal Tester<\/a><\/strong>, it ensures accurate and consistent results.<\/p>\n

\"HTT-02<\/p>\n

2.Why do you need a hot tack tester?<\/strong><\/h2>\n

Hot tack<\/a>\u00a0is a crucial property of a\u00a0heat-sealed layer<\/strong>, as it determines the layer’s ability to withstand forces attempting to separate the seal while it is still in a hot state. This characteristic holds significant importance, especially in processes like vertical form fill and seal (VFFS).<\/p>\n

Hot tack property is important since this situation occurs on vertical form-fill-seal packaging, during which no much cooling time is given.<\/p>\n

In the packing line, contents are dropped into the bag immediately after the sealing bars have opened. Since the content can be heavy, the\u00a0hot seal\u00a0<\/strong>must be able to withstand high loads, thus requiring a high hot tack force.<\/p>\n

Hot tack test<\/a>\u00a0is importance for upgrading materials and packing efficiency.<\/p>\n

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The HTT-02 Hot Tack Tester is a specialized instrument used for measuring the hot tack properties of packaging materials. If you need it, please\u00a0contact us<\/a>.<\/p>\n

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3.Advantages of Laboratory Hot Tack Tester<\/strong><\/h2>\n

1.Hot Tack Measurement<\/strong>:<\/p>\n

The instrument measures the\u00a0hot tack<\/strong>\u00a0strength of packaging materials by applying heat and pressure to the material and then quantifying its ability to form a bond.<\/p>\n

2.Temperature Control<\/strong>:<\/p>\n

Laboratory Hot Tack Tester<\/strong>\u00a0maintains precise temperature control during testing to simulate the conditions encountered during the sealing process accurately.<\/p>\n

3.Pressure Application<\/strong>:<\/p>\n

It applies controlled pressure to the material to ensure consistent and accurate measurement of\u00a0hot tack strength<\/strong>.<\/p>\n

4.Data Analysis<\/strong>:<\/p>\n

The instrument often includes software for data analysis, allowing users to analyze and interpret the results of the hot tack tests efficiently.<\/p>\n

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4.Test\u00a0Principle of Laboratory Hot Tack Tester<\/strong><\/h2>\n

Laboratory Hot Tack Tester<\/strong>, compliant with\u00a0ASTM F1921 standards<\/strong>, stands out as a pinnacle of precision in hot tack testing. Employing a sample strip, the machine seals it under precise conditions of temperature, contact time, cooling time, and pressure using two flat heated jaws. The result is a meticulous measurement of the strength of heat seals formed between thermoplastic surfaces, offering insights crucial to industries ranging from packaging and food to medicine and beverage.<\/p>\n

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\"HTT-02<\/h3>\n

5.Specifications<\/strong><\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Sealing Temp.<\/td>\nAmbient~250\u2103<\/td>\n<\/tr>\n
Temp Accuracy<\/td>\n\u00b10.2\u2103<\/td>\n<\/tr>\n
Dwell Time<\/td>\n0.1~9999s(Heat Seal<\/a>\u00a0)<\/td>\n<\/tr>\n
Dwell Time<\/td>\n0.1~9999s(Hot Tack )<\/td>\n<\/tr>\n
Sealing Pressure<\/td>\n0.15MPa~0.7MPa<\/td>\n<\/tr>\n
Sealing Jaws<\/td>\n50mmx10mm Teflon Coated<\/td>\n<\/tr>\n
Jaws Heating<\/td>\nDouble Heating<\/td>\n<\/tr>\n
Load Cell<\/td>\n200N(Optional:30N50N100N, etc)<\/td>\n<\/tr>\n
Accuracy<\/td>\n0.5 F.S.<\/td>\n<\/tr>\n
Resolution<\/td>\n0.01N<\/td>\n<\/tr>\n
Power<\/td>\n220V, 50 HZ<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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6.Standards:<\/strong><\/h2>\n

ASTM F1921,\u00a0GB\/T 34445<\/p>\n

The primary standard for\u00a0hot tack testing<\/strong>\u00a0is\u00a0ASTM F1921<\/strong>, titled\u00a0Standard Test Method for Hot Tack Strength of Thermoplastic Materials<\/em>. This standard outlines:<\/p>\n