HTT-02 Hot Tack Tester

Laboratory Hot Tack Tester is specifically designed to assess this property by measuring the strength of heat seals formed 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. Our hot tack tester is designed for precise hot tack testing, following the standard hot tack test method. As a reliable hot tack Heat Seal Tester, it ensures accurate and consistent results.

2.Why do you need a hot tack tester?

Hot tack is a crucial property of a heat-sealed layer, 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).

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

In the packing line, contents are dropped into the bag immediately after the sealing bars have opened. Since the content can be heavy, the hot seal must be able to withstand high loads, thus requiring a high hot tack force.

Hot tack test is importance for upgrading materials and packing efficiency.

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 contact us.

3.Advantages of Laboratory Hot Tack Tester

1.Hot Tack Measurement:

The instrument measures the hot tack strength of packaging materials by applying heat and pressure to the material and then quantifying its ability to form a bond.

2.Temperature Control:

Laboratory Hot Tack Tester maintains precise temperature control during testing to simulate the conditions encountered during the sealing process accurately.

3.Pressure Application:

It applies controlled pressure to the material to ensure consistent and accurate measurement of hot tack strength.

4.Data Analysis:

The instrument often includes software for data analysis, allowing users to analyze and interpret the results of the hot tack tests efficiently.

4.Test Principle of Laboratory Hot Tack Tester

Laboratory Hot Tack Tester, compliant with ASTM F1921 standards, 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.

5.Specifications

6.Standards:

ASTM F1921, GB/T 34445

The primary standard for hot tack testing is ASTM F1921, titled Standard Test Method for Hot Tack Strength of Thermoplastic Materials. This standard outlines:

• Test principle: Two heated jaws seal a sample under controlled conditions.

• Force measurement: Immediately after sealing, the sample is pulled apart at a constant speed.

• Evaluation: The force required to separate the seal is recorded as the hot tack strength.

ASTM F1921 includes Method A (for manual testing systems) and Method B (for automated testers like the HTT-02 from Cell Instruments), allowing flexibility depending on equipment configuration and industry needs.

This standardization ensures reproducibility, accuracy, and comparability across different labs and production environments, making it essential for packaging quality control.

7.Configuration:

Standard configuration: Laboratory Hot Tack Tester, rubber pad, Teflon tape, fuses, manual, calibration certificate, power cord.

Optional configuration: Non-Standard jaws, RS 232 Port, COM Line, Software, air compressor

8.FAQs

1. What is the “delay time” in a hot tack test?

The “delay time” is the settable time interval between when the seal jaws are released and the specimen is pulled apart.

2. What is ASTM F1921 Hot Tack Test?

ASTM F1921 Hot Tack Test is a method to evaluate the hot tack properties of thermoplastic materials, crucial for assessing their suitability in packaging.

3. How is the ASTM F1921 Hot Tack Test conducted?

The hot tack test involves using a hot tack tester (such as Cell Instruments HTT-01 and HTT-02) to measure parameters like hot tack strength, dwell time, and temperature, following specific procedures outlined in the ASTM F1921 standard.

4. What are the applications of ASTM F1921 Hot Tack Testing?

The hot tack test is applied in industries such as packaging to assess how thermoplastic materials perform in terms of hot tack properties, influencing material selection and packaging quality.

5. What are the key parameters measured in ASTM F1921 Hot Tack Test?

The main parameters in hot tack test include hot tack strength, dwell time, and temperature. These measurements help characterize the material’s behavior during the hot tack testing process.

We offer competitive hot tack tester prices, making advanced hot tack testing accessible for various applications. Whether you need to perform a hot tack test for quality control or research purposes, our equipment delivers reliable performance and meets industry standards. Welcome your consultation!

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