Heat Sealing Tester

Your Professional Heat Sealing Tester Supplier

 

Our goal is to become your true partner in the field of Heat Sealing Tester in China. Guangzhou Shounuo Scientific Instrument Co., LTD. founded in 2011, is a high-tech enterprise integrating research and development, production, sales and service of flexible packaging testing instruments. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

 

 
 

Why Choose Us

Product application

Our products include electronic tensile testing machine, water vapor transmission rate tester, OTR tester, gas transmission rate tester, etc. These products are widely used in drug testing, quality inspection, colleges and universities, pharmaceutical packaging and other fields.

Production market

We use high-quality products and services to open up the international market. For many years, we have continued to provide high-quality products to overseas customers in dozens of countries and regions such as Europe, the United States, and Southeast Asia, and have been widely recognized by domestic and foreign customers.

Our services

In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.

 

Advantages of Heat Seal Tester

Improved packaging quality

Using a heat seal tester that each seal formed during the packaging process is strong and reliable. A high-quality seal is important for maintaining the product and making sure it stays secure until it is delivered to the customer.


Cost savings

A heat seal tester allows manufacturers to find weak seals before the finishing of production runs. This lowers the possibility that customers will receive defective products, reducing returns and increasing the production process's overall effectiveness.

Better product protection

Protecting the product within is an important purpose of packaging. Products can be exposed to moisture, bacteria, or air because of damaged packaging resulting from a poor heat seal. You can lower the chance of damage and spoiling and maintain the safety and quality of your products by making sure your heat seals are strong.

Accuracy

Look for testers that can provide accurate measurements of seal strength and quality.

Versatility

Select a tester with experience with a variety of packaging materials and seal strengths.

 

Heat Seal Tester Specification

 

 

Product Name

Heat Sealer

Heat sealing temperature

Room temperature +5℃~300℃

Temperature control accuracy

±1℃(0.1℃ customizable)

Heat sealing time

0.01s~99.99h

Heat sealing pressure

0~8Kg(0~0.8Mpa)

Heat sealing surface

35*10mm (lower sealing jaw) *5 segments (the size of upper sealing jaw with attached silicon pad can be customized)

Heating mode

Double heating surfaces

Dimensions

700mm*400mm*540mm

Power source

AC 220V/50Hz

 

Types of Heat Seal Tester
1

Impulse heat sealers

Provide heat in short bursts. Ideal for materials like polyethylene and polypropylene.

2

Constant heat sealers

Maintain a consistent temperature throughout operation. Suitable for thicker or multilayer materials.

3

Band sealers

Allow continuous sealing of bags or pouches. Perfect for high-speed production lines.

4

Vacuum heat sealers

Combine vacuum technology with heat sealing. Commonly used for vacuum-packed goods.

 

Features of Heat Seal Tester

 

 

Simultaneously tests independent sealing points for comprehensive evaluation. Manual and pedal switch mode activation, as well as anti-scald design provides convenient and safe operating environment.

 

High heat sealing efficiency,different temperature segments have little impact on each other,can also be single and double segment test. Individual temperature control for each sealing head.

 

Applications of Heat Seal Tester
 
 

Material development

Compares heat seal performance of new biodegradable films vs. Traditional plastics.

 
 
 

Process optimization

Adjusts temperature, pressure, and dwell time for production line validation.

 
 
 

Flexible pouches

Evaluates seal integrity of snack bags, coffee pouches, and retort packaging.

 

 

Packing and Shipping of Heat Seal Tester

 

 

Packing

Wooden box

Shipping

Shipped by road, sea, rail

 

FAQ

 

Q: How do you test a heat seal?

A: Performing a heat seal strength test involves preparing specimens, creating consistent heat seals, using a tensile testing machine to measure the force required to break the seal, and calculating the seal strength. This test helps ensure the integrity and quality of heat-sealed packaging materials.

Q: What is the heat seal strength test method?

A: This method uses a force gauge with a jig to hold one side of the testing sample and pull the other side by hand to measure the peeling force (welding force). The heat seal has the role of protecting the contents, and the heat seal strength changes depending on the temperature, pressure, and time of welding.

Q: What are the parameters for heat seal?

A: Heat Seal parameters are easily measured; Heat Sealability = Temperature + Pressure + Time. Yet maintaining optimum heat sealing conditions in production and recognising the true cause of poor sealing remains a challenge.

Q: How does a heat sealer work?

A: The film is placed over the sealing wire, and the sealing bar is closed. Springs on the sealing bar allow the user to apply pressure to the film. As the sealing bar is closed, a microswitch is enacted an electrical current is sent to the end connector posts.

Q: What is the standard test method for seal strength?

A: While there are number of ASTM test methods specific to seal strength testing, two common and useful types include tensile strength testing and burst / creep testing. A good example of a tensile seal-strength testing method is ASTM F88 Package Strength Testing by Seal Peel Testing.

Q: What temperature is heat sealing?

A: The degree of heat needed depends on the material used and its thickness. Plastics such as polyolefin shrink at 280–350 degrees Fahrenheit (121 degrees Celsius), while polyethylene has a heat-sealing temperature of 140 degrees Fahrenheit, or 76.6 degrees Celsius.

Q: What is the heat seal strength test?

A: In order to measure the heat seal strength of the food packaging film, the heat sealed part of the packaging bag is pulled and the peeling force (welding force) is measured.

As one of the leading heat seal tester manufacturers and suppliers in China, we warmly welcome you to buy high quality heat seal tester for sale here and get pricelist from our factory. Contact us for customized service. Heat Seal Tester for Food Packaging, Heat Seal Tester ASTM F88, High Speed Heat Sealer

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