Seal strength and burst strength testing device Seal Tester 'FKT-200'
FKT-200 / Seal Tester (Sealing Strength and Burst Strength Tester)
Measuring packaging leakage and burst strength with a single device. The definitive package quality measurement compliant with JIS Z0238 and milk carton sealing tests.
The FKT-200 is a seal tester that applies internal pressure by sending air into the packaging, measuring both leakage (seal strength) and burst strength with a single device. It can be used for quality control of packaging in food, pharmaceuticals, and cosmetics, including milk cartons, snack bags, individually wrapped products, and retort pouches. 【Standards Compliance】 ■ JIS Z0238 (Testing methods for heat-sealed flexible packaging and semi-rigid containers) ■ Seal tests according to the Food Sanitation Act and Milk Product Regulations for milk cartons ■ Food Sanitation Inspection Guidelines (Japan Food Sanitation Association) 【Features】 ■ Conducts seal strength tests and burst strength tests with one device ■ Compact design with a built-in pump, weighing approximately 6.5 kg for portability ■ LCD panel and intuitive operation design ■ Supports high-pressure testing up to 200 kPa with external pump connection ■ Flow adjustment function ensures reproducible data ■ High precision and stability with digital microcontroller control and temperature compensation circuit For inquiries about implementation, please use the contact form.
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basic information
【Main Specifications】 ■Test: Sealing strength test (leakage) / Burst strength test ■Maximum Pressure: 70 kPa (built-in pump), 200 kPa (external pump connection) ■Pressure Setting: 0 to 70 kPa (built-in pump), 0 to 200 kPa (external pump connection) ■Pressure Method: Built-in air pump, external compressor connection possible ■Display and Control: LCD panel, digital microcontroller control, temperature compensation circuit ■Power Supply: AC100V 50/60Hz ■Dimensions (mm): W210×D350×H270 ■Weight: Approximately 6.5 kg 【Standards Compliance】 ■JIS Z0238:1998 "Test Methods for Heat-Sealed Flexible Packaging Bags and Semi-Rigid Containers" ■Milk carton food sanitation law ■Ministerial Ordinance on Standards for Components of Milk and Dairy Products, Appendix Table 3 Sealing Test ■Food Sanitation Inspection Guidelines (Public Interest Incorporated Foundation Japan Food Sanitation Association, 2015)
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Delivery Time
P4
※It may vary depending on stock availability. Please contact us if you are in a hurry.
Applications/Examples of results
【Applications】 ■Food: Milk cartons, snack bags, individually packaged products, food packaging film containers, leakage (pinholes) and burst strength of retort pouches ■Pharmaceuticals: Sealing properties and pressure resistance of pharmaceutical packaging materials ■Cosmetics: Quality control of pouch and film packaging ■General packaging: Evaluation of sealing strength of heat seal areas (JIS Z0238) 【Track Record】 ■A model that combines two tests: sealing strength measurement and burst strength testing, used since 1978 ■Founded in 1969. Accumulated technology and know-how in physical property and quality testing for over half a century ■All products are manufactured and assembled domestically. Quick response for repairs and custom orders.
Detailed information
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1. Leak and Burst Strength in One Device The FKT-200 sends air into the packaging to apply internal pressure and conducts two types of tests with a single device. In the sealing strength test, leaks are confirmed by observing the change in pressure at a constant internal pressure. In the burst strength test, the internal pressure is increased until the packaging bursts, and the pressure at which this occurs is measured. We have consolidated two tests that were previously conducted with separate measuring instruments into one device.
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【2. Apply internal pressure and measure the change in pressure】 Insert a needle into the packaging and supply air to apply internal pressure. If there is a leak, the pressure will drop, and in the burst strength test, the pressure will suddenly decrease at the moment of rupture. The flow adjustment function allows for consistent air supply, enabling reproducible data to be obtained. With digital microcontroller control and temperature compensation circuits, measurements can be taken with higher precision and stability than conventional devices.
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【3. JIS Z0238 - Compliance with Sealing Tests for Milk Packs】 It complies with JIS Z0238 (Test Methods for Heat-Sealed Soft Packaging and Semi-Rigid Containers). For milk packs, it adheres to the sealing tests specified in the Food Sanitation Act and the Ministerial Ordinance on Standards for Components of Milk and Dairy Products (Appendix Table 3), and it also corresponds to the Food Sanitation Inspection Guidelines (Japan Food Sanitation Association).
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【4. From Milk Cartons to Retort Pouches】 We can measure leaks (pinholes) and burst strength of various packages such as milk cartons, bagged snacks, individually wrapped products, food packaging film containers, and retort pouches. This can be used for quality control of packaging for food, pharmaceuticals, and cosmetics.
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【5. Built-in pump, external pump up to 200kPa】 It features a built-in air pump and has a compact design weighing approximately 6.5kg (W210×D350×H270mm), making it portable. It can handle high-pressure tests up to 70kPa with the built-in pump, and up to 200kPa when connected to an external compressor. With an LCD panel and intuitive operation design, it can be used easily even by those who are not familiar with measurements.
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Sun Science Co., Ltd. is a specialized manufacturer of physical property measurement instruments (rheometers) that quantify the physical properties such as "hardness," "elasticity," and "viscosity" of food, pharmaceuticals, cosmetics, and industrial products, as well as seal testers that measure packaging leakage and burst strength. In 1969, its predecessor, Fuji Rika Kogyo, was the first in Japan to use the name "rheometer" and began selling physical property measurement instruments. For over half a century since then, it has supported research and development, quality control, and standard testing in the field, based on the foundational technology of rheology (the science of flow and deformation). [Reasons to Choose Sun Science] - Japan's first rheometer manufacturer with over 50 years of technology and achievements - All products are manufactured and assembled domestically, with all units inspected by specialized staff before shipment - Comprehensive after-sales service unique to domestic companies - User-friendly operation design suitable for beginners to experts - Numerous export achievements to Europe, the United States, India, and Southeast Asia through agents in South Korea and China Demo measurements can be requested through the official website or SUN-LABO (https://www.sun-texture-lab.com/jp/business/trial/).







