[Data Published] Heating efficiency changes significantly with medium-wave infrared - A technical explanation of the essential differences between near-infrared and far-infrared.

Solving heating challenges in plastic molding with medium-wave infrared heaters!

In the plastic molding industry, there is a constant demand for improvements in product quality and productivity. In particular, molding defects and uneven heating are significant challenges that lead to reduced yield and increased costs. Medium-wave infrared heaters excel in power consumption and uniform heating compared to near-infrared and far-infrared heaters, contributing to the resolution of these issues. This document explains why medium-wave infrared heaters are a rational choice for plastic molding. 【Usage Scenarios】 * Preheating plastic parts * Uniform temperature distribution of molds * Reduction of molding defects * Improvement of productivity 【Effects of Implementation】 * Shortened heating time * Reduced energy costs * Stabilization of product quality * Increased yield

• Other heaters

Medium wave infrared heaters show a clear difference in power consumption and heat uniformity compared to near-infrared and far-infrared heaters!

This document organizes the differences between near-infrared, mid-infrared, and far-infrared, and explains why mid-infrared is a rational choice for many industrial applications. It introduces the relationship between the surface color temperature of infrared heaters and wavelength, the relationship between various materials and wavelength bands, and common issues arising from the characteristics of infrared heaters. Additionally, it includes information about the infrared heater "Krelus," which is adopted by global companies, so please take a look. 【Contents】 ■Introduction ■1. Many industrial materials are most efficiently heated by mid-infrared ■2. Common issues arising from the characteristics of infrared heaters ■3. Metal foil heaters solve these challenges with wavelength and radiation area ■4. Features of Krelus infrared heaters ■5. Why Krelus is adopted by global companies *For more details, please download the PDF or feel free to contact us.

• Other heaters

Our Klerus infrared heater is used for plastics with a thickness of 1mm or more!

We would like to introduce deep drawing using infrared radiation. In deep drawing processing with infrared, the material is heated by infrared radiation. Thanks to the rapid response of our Klerus infrared heaters, it is possible to turn off the heater's power during non-production time. Additionally, plastic from rolls and plastic sheets are heated, and molded parts are produced. In particular, in the automotive industry, many molded products are used, such as door panels and classic parcel shelves made through deep drawing. 【Features】 ■ Deep drawing processing with infrared, where the material is heated by infrared radiation ■ The rapid response allows for the heater's power to be turned off during non-production time, which is especially useful in sequential processes, resulting in significant energy savings. *For more details, please download the PDF or feel free to contact us.

• Heater

It can also be made using infrared heating technology in PVC flooring, synthetic leather, or other multilayer decorative materials!

We would like to introduce the lamination of composite panels using infrared panels. Infrared heating technology is generally used to laminate different shapes into another shape, or to combine different materials into one. The outer thin decorative layer is often permanently bonded to the multi-layer core using heated adhesive. It can also be used to create PVC flooring, synthetic leather, or other multi-layer decorative materials. 【Features】 ■ The outer thin decorative layer is often permanently bonded to the multi-layer core using heated adhesive. ■ It is possible to create PVC flooring, synthetic leather, or other multi-layer decorative materials using infrared heating technology. *For more details, please download the PDF or feel free to contact us.

• Heater

Direct heat transfer allows for the immediate drying of paints and dyes on metals, plastics, and wood without generating dust!

We will introduce drying using infrared radiation. Infrared heaters are used in the textile industry, non-woven fabrics, and other fabrics, as well as in paper and printing machines. Our infrared heaters emit mid-infrared radiation, which is very effective for moisture absorption. This allows infrared heating to directly warm water, making the drying process more efficient. 【Features】 ■ Direct heat transfer allows for immediate drying of coatings and dyeing on metals, plastics, wood, and textiles without generating dust. ■ Very effective for moisture absorption. ■ Infrared heating can also directly warm water, making the drying process more efficient. *For more details, please download the PDF or feel free to contact us.

• Heater

When coating a surface, the surface preparation is key to determining the quality and durability of the coating!

We would like to introduce the "Coating Process" using infrared technology from Leister Technologies, Inc. In the mechanical coating process, infrared or hot air is essential for ensuring process optimization. In the case of hot air coating, surface pretreatment is key to determining the quality and durability of the coating. Additionally, infrared dip coating is a standard process in the textile and paper industries. In this solvent-based process, it is important to perfectly dry the textile or paper. 【Features】 ■ Hot Air Coating - Surface pretreatment is key to determining the quality and durability of the coating. - Used to dry liquid cleaning agents and solvent residues, ensuring the surface condition is adequately prepared for the next process. ■ Infrared Dip Coating - A standard process in the textile and paper industries. *For more details, please download the PDF or feel free to contact us.

• Heater

From car dashboards to synthetic leather handbags, animal skins and coated fabrics are used in various aspects of life!

We would like to introduce the "embossing process" using hot air machines and infrared heaters handled by Reister Technologies, Inc. Synthetic leather or artificial leather is composed of multiple layers, including a base fabric, plastic, and decorative materials made of various polyvinyl chloride and polyurethane. The surface is heated and then embossed to form a specific surface structure. Additionally, embossing is used not only for wallpaper and flooring but also as interior materials. The pre-prepared materials are heated on the surface before being embossed with a metal roller, creating a distinctive surface structure. 【Features】 ■ Synthetic Leather - The surface is heated and then embossed to form a specific surface structure. - Imitation leather is washable and can be obtained in meter lengths, making processing in the textile industry easy. ■ Embossed Decorative Layer - Used not only for wallpaper and flooring but also as interior materials. *For more details, please download the PDF or feel free to contact us.

• Hot air generator
• Heater

An infrared system tailored for energy-efficient customers!

This document introduces Leister's infrared technology for the textile industry. It explains the heating processes in the textile industry, the advantages of IR heaters in textile finishing, and more. Our powerful infrared heater KRELUS is well-suited for unique infrared solutions for customers in the textile industry. [Contents] ■ Heating processes in the textile industry ■ IR heaters in textile finishing ■ Advantages of infrared heaters ■ Drying with KRELUS infrared heaters ■ Infrared systems ■ Controllers *For more details, please download the PDF or feel free to contact us.

• Other heaters

Infrared heaters are recommended for the heating process in the textile industry! They improve energy efficiency and enhance machine performance.

This white paper specifically examines the use of infrared heating in the textile industry, detailing various types of infrared heaters and explaining the advantages and disadvantages of different heating processes. It addresses the energy savings that can be achieved by selecting the appropriate infrared heater and presents data-backed examples. It also includes information on the infrared heating process in the finishing of textile products and infrared heaters for the textile industry. *For more details, please refer to the "Download Catalog."*

• Other heaters
• Heater

Supports various shapes! Infrared heaters can be manufactured in a variety of designs and sizes, including line shapes and surface shapes.

The "Krelus Special Heater" is a custom-made product manufactured to meet the specific requirements of certain customers. We listen to your requests and develop infrared heaters customized to your specifications in close collaboration with our engineers in Switzerland. These individual solutions can be tailored to fit the conditions of your application in terms of power, voltage, and design. 【Features】 ■ Customizable ■ Supports various shapes (e.g., line shapes and surface shapes) ■ Capable of radial heating from the inside or outside (inside radiation: please also check our YouTube video) ■ High-efficiency medium-wave infrared heater *For more details, please download the PDF or feel free to contact us.

• Other heaters

Precision "contour heating"! Custom-made in various sizes to fit specific parts.

The "Kurelus Contour Heater" is a product that can be individually customized to match the shape of the object being heated. It is primarily used for gently welding plastic molded products without contact. It can be designed individually to fit specific parts or heating applications, ranging from simple lines to simple open or closed 2D shapes, as well as complex 3D free-form lines and surfaces. The contour heater can be manufactured in various sizes to match specific parts. 【Features】 ■ Custom shapes ■ 2D and 3D contour heater foil arrangements of varying lengths ■ Multiple zone settings (controls) possible for each contour ■ Non-contact infrared welding *For more details, please download the PDF or feel free to contact us.

• Other heaters

Special specifications, multi-purpose, high efficiency! It has high versatility and is equipped with a variety of control functions and interfaces.

Introducing the "Kreles Control Device," ideal for all module heaters, heater arrays, and custom-made heaters for customers. By using a non-contact thermometer (pyrometer), it can measure the surface temperature of the workpiece with great accuracy, and the Kreles infrared heater can instantly adjust power. This significantly improves process safety and reproducibility while ensuring consistent product quality, unaffected by operating conditions. 【Features】 ■ Control optimized for infrared heaters ■ Heating area control via open-loop and closed-loop options, with or without feedback ■ Complete control ■ Wide range of service support ■ Compatible with remote control interfaces *For more details, please download the PDF or feel free to contact us.

• Other heaters

We will custom-make it individually! It can be heated over a wide range of performance.

Introducing the "Krelus Profile Heater," a series of customized IR heaters primarily used for heating large areas. The radiation output can be tailored individually to meet customer requirements based on heater dimensions and watt density (output). Additionally, by customizing the heater foil and heater length, it is possible to scale up and enhance output. It can be adapted to available operating environments and power supply voltages. 【Features】 ■ Customizable to individual lengths ■ Voltage from 110 to 660 volts ■ Medium-wave IR heater ■ Ideal for uniform heating over large areas *For more details, please download the PDF or feel free to contact us.

• Other heaters

Power supply is possible with one set! This is a suitable set for operation in laboratories and pilot plants.

The "Kreles Standard IR System" allows you to obtain a complete solution that is close to plug-and-play, without compromising the quality of the proven Kreles modular heaters (panels), while incorporating all the advantages. The standard IR system consists of one or two heating arrays. It is made up of multiple Kreles "modular heaters" (e.g., G14, etc.) that are mounted on a "frame." Additionally, an optimal control system for Kreles infrared heaters is provided, which is part of a system capable of maintaining precise temperatures with PID control. 【Features】 ■ Operable with only one power supply ■ Plug and play ■ Various combinations of "modular heater" variations ■ 1-2 fields (A field refers to multiple connected modular heaters) (With pyrometer and PID controller, or available without PID controller) *For more details, please download the PDF or feel free to contact us.

• Other heaters

Highly versatile infrared heater module! Maximum power density of 50kW/m2 or 32.25W/in2.

The "Kreles G14-25 MINI" is a square modular heater, suitable for large and small fields with one or more individually controlled heating zones, making it an ideal infrared heater. The emitter field is recommended for all heating applications where medium-wave infrared heat is well absorbed, not just for drying applications. Additionally, the various grid dimensions of Kreles heaters allow for on-site adjustments. 【Features】 ■ Robust, square, modular heater ■ Medium-wave ■ Short heating and cooling times ■ Fast response for precise temperature control ■ High maximum power density of 50kW/m2 or 32.25W/in2 *For more details, please download the PDF or feel free to contact us.

• Other heaters

Can be used without cooling devices or reflectors! Compatible with MINI series G14-25 and G7-50.

The "Kurelus G9-40 MINI-MINI" is an infrared heater that can be perfectly integrated due to its compact size. It radiates in the medium wavelength range, with a peak wavelength of 2.5μm. Therefore, it can be used for most infrared applications. Additionally, it is suitable for various applications such as coating of textiles, paper, and films, as well as embossing and laminating in the plastic processing industry. Please feel free to contact us when you need assistance. 【Features】 ■ Power density up to 32kW/m2 ■ Full-range infrared radiation unit ■ Fast response *For more details, please download the PDF or feel free to contact us.

• Other heaters

Modular and flexible infrared heater! Fast response time for accurate temperature.

The "Kurelus G7-50 MINI" is an infrared heater suitable for drying applications, as it absorbs infrared radiation in the mid-wavelength infrared range. It is ideal for plastic processing applications in the automotive industry, packaging industry, and paper and printing machinery. With no moving parts, it experiences minimal wear and requires almost no maintenance. Nevertheless, in the event of a malfunction in the radiation zone, individual radiation heaters can be quickly and easily replaced thanks to the modular design. 【Features】 ■ Mid-wave infrared radiation for appropriate absorption ■ Stepless temperature adjustment ■ Power density of up to 50kW/m2 *For more details, please download the PDF or feel free to contact us.

• Other heaters

Ultra-compact cubic infrared radiation! Requires almost no maintenance and boasts reliable performance.

The "Kurelus G11-12 SUPER-MINI" is a rectangular infrared heater measuring just 123x123x50mm/4.84x4.84x1.9in. It can be realized in a way that narrows and grades various sizes of fields based on the dimensions of the grid. It features all the advantages of Kurelus IR heaters, including fast response, excellent controllability, and perfect wavelength in the medium-wave IR suitable for most applications. 【Features】 ■ Easy-to-install rectangular shape ■ Direct heating capability ■ Direct temperature control capability ■ Can be used as an independent heater ■ Can be combined with other products *For more details, please download the PDF or feel free to contact us.

• Other heaters

Enhancing flexibility with a compact module! Excellent low maintenance and robustness.

The "Kreles G14-25 MINI-MINI" is an infrared heater available in two sizes, perfectly suited to meet user needs. It features a short response time and, like other Kreles infrared heaters, radiates infrared in the medium wavelength range with a peak wavelength of 2.5μm. Additionally, it has a wide range of applications; in uses such as coating textiles, paper, and films, these radiators are also employed in systems for embossing, laminating, and coating in plastic processing. 【Features】 ■ Maximizes energy efficiency ■ Fast response ■ No increase in starting current ■ Medium wavelength infrared radiation leads to appropriate absorption ■ Continuously controllable temperature up to 850℃ *For more details, please download the PDF or feel free to contact us.

• Other heaters

Introducing a super compact IR heater with the highest level of power density! Easy integration.

The "Krelus G5-25 SUPER-MINI" is a rectangular infrared heater that requires almost no maintenance. When used alone or in combination with multiple "Krelus SUPER-MINI" units, this high-intensity compact modular heater can achieve up to 60kW/m2, providing advantages for many applications. Additionally, the ability to quickly and individually adapt the intensity of different zones within the IR heater field allows for a uniform temperature distribution on products, even in complex processes. 【Features】 ■ Ultra-compact IR heater ■ Direct temperature control available ■ Power density up to 60kW/m2 ■ Direct on-off operation of thermal radiation possible ■ Usable without a cooling device *For more details, please download the PDF or feel free to contact us.

• Other heaters

Infrared system

Leister's infrared heaters are ideal for custom use in modules and manufacturing plants, and voltage adjustments can be made during installation to suit the operating environment. Krelus infrared heaters come in dimensions such as super mini, mini, mini mini, and micro, and you can also choose from various sizes including profile heaters, individual heaters, and custom infrared heaters.

• Heater

The "Mechanical Stitch Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact on the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact on the base material. Repairs can be carried out even in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is kept to a minimum. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

Do you have any concerns or requests regarding wired bed exit sensors? × Tangling and tripping of wired cables × Cable disconnection or damage × Worry about forgetting to turn on the switch after temporarily stopping the sensor. × Want to be notified of bed exit even from a location away from the nurse call outlet. Such concerns can be resolved simply by connecting to a wireless set linked to the nurse call system! Our nurse call linked wireless set allows you to connect bed exit sensors like "Ugo-kun," "Foldable Thin Matta-kun," "Ayumi-chan," and "Just Place Pole-kun" to transmitters and receivers, reducing wiring around the bed, alleviating concerns about tripping and falling due to cables, and contributing to a tidier work environment. Furthermore, it enables the use of bed exit sensors even from locations away from the nurse call outlet, allowing for more flexible equipment placement.