Category Archive High-Temperature Safety

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Energy-efficient process cooling without electricity, refrigerants or moving parts
ByKager-Hightemp
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KAGER COLDER – Ultra-Cold Air Generator down to -55 °C

Energy-efficient process cooling without electricity, refrigerants or moving parts

High temperatures generated during industrial manufacturing processes often reduce tool life, affect machining quality and damage temperature-sensitive components.

The KAGER COLDER Ultra-Cold Air Generator provides an efficient and reliable solution by converting standard compressed air into ultra-cold air down to -55 °C, without electricity, refrigerants or moving mechanical parts.

The system is based on the proven Joule-Thomson effect, where compressed air cools dramatically during controlled expansion.

The result is an instantly available, maintenance-free and highly efficient spot cooling solution for demanding industrial applications.

How it works

The KAGER COLDER requires only a compressed air supply.

At approximately 7 bar compressed air pressure and an inlet temperature of around 20 °C, the 190-75 SV model generates cold air down to -55 °C.

No electrical power, refrigerants or additional gases are required, making it an environmentally friendly and highly reliable cooling system.

Key Benefits

  • Ultra-cold air down to -55 °C
  • Operates using compressed air only
  • No electrical power required
  • No refrigerants
  • No moving parts
  • Virtually maintenance-free
  • Immediate cooling effect
  • Precise spot cooling
  • Clean, dry and oil-free cold air
  • Easy integration into existing production systems

Typical Industrial Applications

Metal Machining

The KAGER COLDER efficiently removes heat directly from the cutting zone, increasing machining performance while extending tool life.

Ideal for machining:

  • Titanium
  • Stainless steel
  • Inconel
  • High-strength alloys
  • Magnesium
  • Aluminum

Welding and Soldering

Localized cooling protects adjacent components from overheating while minimizing thermal distortion and residual stress.

Plastics and Glass Processing

Cold air accelerates cooling cycles, improves dimensional stability and reduces production cycle times.

Electronics Manufacturing

Non-contact cooling protects sensitive electronic components during assembly, testing and manufacturing.

Typical applications include:

  • Printed circuit boards (PCBs)
  • Semiconductors
  • Sensors
  • Power electronics
  • Electronic control units

Additional Applications

  • Tool cooling
  • Mold cooling
  • Dry machining
  • Milling
  • Turning
  • Grinding
  • Drilling
  • Laser processing
  • Test laboratories
  • Automation systems

Increase Productivity with Smart Cold Air Technology

By removing heat exactly where it is generated, the KAGER COLDER improves machining quality, extends tool life and increases production efficiency.

Typical benefits include:

  • Lower tooling costs
  • Higher cutting speeds
  • Improved surface finish
  • Reduced downtime
  • Increased process reliability
  • Higher overall productivity

Why Choose KAGER COLDER?

The KAGER COLDER combines proven engineering with exceptional reliability. Without electrical components, refrigerants or moving parts, it delivers an environmentally friendly, maintenance-free and highly efficient cooling solution for modern industrial manufacturing.

It is the ideal choice for companies seeking a cost-effective alternative to conventional cooling systems while improving productivity and process stability.

Learn more about Kager Colder

Immediate Response to Battery Incidents: Fire Containment Blankets for Lithium-Ion Batteries and Electric Vehicles
ByKager-Hightemp
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Immediate Response to Battery Incidents

Fire Containment Blankets for Lithium-Ion Batteries and Electric Vehicles

Lithium-Ion Batteries: Powerful Technology with Unique Fire Risks

Lithium-ion batteries have become essential in electric vehicles, industrial equipment, energy storage systems, and countless portable devices. However, under certain conditions, they can experience a dangerous phenomenon known as thermal runaway.

When a single battery cell overheats due to damage, overcharging, or mechanical failure, a chain reaction can occur. Heat rapidly spreads to neighboring cells, creating escalating temperatures, toxic gas emissions, and explosive cell failures accompanied by intense jet flames.

Fire Containment Blankets as an Effective First Response Measure

To support firefighters, first responders, fleet operators, workshops, and industrial facilities, KAGER offers specialized Fire Containment Blankets (FCB) designed for battery and electric vehicle fire incidents.

The blankets are manufactured from a high-temperature-resistant technical fabric coated on both sides with vermiculite. The material is classified as non-combustible (Class A1) according to DIN EN 13501-1 and is specifically engineered for extreme fire scenarios.

Key Benefits of KAGER Fire Containment Blankets

  • Suitable for fire situations up to 1,300 °C
  • Fabric melting point of approximately 1,600 °C
  • Electrically non-conductive according to DIN 54345-1
  • Compatible with firefighting and sprinkler water
  • Gas-permeable design helps prevent dangerous ballooning
  • Excellent chemical resistance
  • High durability during extreme temperature fluctuations
  • Double-overlapped seams with steel-thread reinforcement
  • Reinforced corners with lifting loops for rapid deployment

Mobile and Stationary Fire Protection Solutions

For passenger vehicles, the blankets are available in a compact red carrying bag for convenient storage and transport.

Fire departments, emergency services, and technical rescue teams can benefit from a professional trolley-based solution for rapid deployment. For industrial facilities, workshops, parking garages, service stations, and logistics centers, KAGER also offers complete safety packages including heat-resistant gloves, protective suits, and optional eye and face protection.

Conclusion

As the use of lithium-ion batteries continues to grow, effective fire protection measures are becoming increasingly important. Fire containment blankets provide a practical and effective solution for limiting the consequences of battery fires, protecting personnel, and reducing property damage.

KAGER Fire Containment Blankets – professional protection for battery incidents, thermal runaway events, and electric vehicle fires.

Enhanced Safety During Battery Fires and Thermal Runaway Events

The KAGER Fire Containment Blanket is an effective first-response measure for lithium-ion battery incidents and electric vehicle fires. It helps significantly reduce the spread of flames and prevents fire from spreading to nearby vehicles, buildings, equipment, or other critical infrastructure.

By limiting the fire’s impact, the blanket not only protects valuable assets but also enhances the safety of firefighters, first responders, and emergency personnel. Reducing heat exposure, flames, and the consequences of thermal runaway can lower health risks for firefighting teams and help prevent costly collateral damage.

As a result, the KAGER Fire Containment Blanket provides an important contribution to preventive fire protection strategies for battery incidents, thermal runaway events, and modern e-mobility applications.

🔥 Immediate Response to Lithium-Ion Battery Incidents and EV Fires

Lithium-ion batteries can overheat and enter a dangerous condition known as thermal runaway. When a single cell overheats, a chain reaction may occur, spreading to neighboring cells and generating extreme heat, toxic gases, explosions, and intense jet flames.

To support firefighters, first responders, fleet operators, workshops, and industrial facilities, KAGER offers specialized Fire Containment Blankets (FCB) designed to help control and contain battery fires.

✅ Non-combustible according to DIN EN 13501-1 (Class A1)

✅ Suitable for fire temperatures up to 1,300 °C

✅ Fabric melting point of 1,600 °C

✅ Electrically non-conductive according to DIN 54345-1

✅ Compatible with firefighting and sprinkler water

✅ Gas-permeable design prevents dangerous ballooning

✅ Excellent chemical resistance

✅ Reinforced seams and handling loops for rapid deployment

Available as a compact solution for passenger vehicles, emergency response units, fire departments, and industrial facilities.

The KAGER Fire Containment Blanket is an effective first-response fire protection measure during battery incidents. It helps significantly reduce the risk of fire spread to nearby vehicles, equipment, and buildings. This not only minimizes collateral damage but also improves safety for firefighters and emergency personnel during battery fire response operations.

As lithium-ion batteries become increasingly common in electric vehicles, energy storage systems, and industrial applications, professional fire protection solutions are becoming more important than ever.

Learn more about http://Lithium-Ion Batteries: Powerful Technology with Unique Fire Risks

Preventive Heat Protection for Fingers and Hands – Effectively Prevent Burns in Industrial Workplaces
ByKager-Hightemp
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Preventive Heat Protection for Fingers and Hands – Effectively Prevent Burns in Industrial Workplaces

Heat-Resistant Gloves and Temperature Warning Indicators from KAGER Improve Workplace Safety

In high-temperature industrial environments, burns to hands and fingers remain one of the most common workplace injuries. Foundries, glass manufacturing plants, refractory industries, metal processing facilities and thermal processing operations all require reliable heat protection solutions.

KAGER offers a comprehensive range of heat-resistant safety gloves and temperature warning indicators designed to improve occupational safety and reduce the risk of burns.

Heat-Resistant Safety Gloves for Extreme Temperatures

KAGER’s protective gloves comply with major international standards and provide protection against:

  • Contact heat
  • Radiant heat
  • Abrasion
  • Cut hazards
  • Mechanical stress

Manufactured from advanced materials such as:

  • Kevlar®
  • Preox-Aramid®
  • PBI®
  • High-temperature glass fibers
  • Split leather
  • Silicone coatings
  • Aluminum coatings

Depending on the model, protection levels can reach up to 1,100°C contact heat and 1,000°C radiant heat.

Temperature Warning Labels for Hot Surfaces

A highly effective preventive safety measure is the use of visual temperature warning indicators.

Hot-Hand Indicator

The Hot-Hand indicator remains black below 50°C.

Once the temperature exceeds this limit, the warning message “HOT” and a hand-over-flames symbol appear in bright red.

Large Traffic Light Indicator

The Large Traffic Light indicator uses an intuitive traffic-light system:

🟢 Green: Below 50°C

🟡 Yellow: Between 50°C and 70°C

🔴 Red: Above 70°C

This allows employees to instantly recognize potential burn hazards.

Reversible and Sustainable Temperature Monitoring

Both indicators are reversible and reusable.

When the surface cools down, they automatically return to their original state, providing long-term visual safety monitoring.

KAGER – Your Partner for High-Temperature Workplace Safety

For more than 50 years, KAGER has supported industrial customers, laboratories and research facilities with solutions for:

  • Heat protection
  • Workplace safety
  • Temperature monitoring
  • Process reliability
  • Quality assurance

Combining heat-resistant gloves with intelligent temperature indicators significantly reduces the risk of burns and improves workplace safety.

More information: https://www.kager.de/en/

COLDER Cold Air Generator – Powerful Cooling Using Compressed Air Only
ByKager-Hightemp
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COLDER Cold Air Generator – Powerful Cooling Using Compressed Air Only

The COLDER cold air generator by Kager produces extremely cold air using compressed air only – no electricity and no additional gases required. The system operates based on the Joule-Thomson effect (adiabatic, irreversible expansion), ensuring reliable and energy-efficient cooling.

The COLDER 190-75 SV model generates for example cold air down to −55 °C when connected to a compressed air line or compressor at 7 bar with an inlet air temperature of +20 °C. Installation is simple, maintenance is minimal, and operating costs are low. They are available in 4 different versions.

Typical Applications of COLDER Cold Air

COLDER cold air is widely used for heat elimination in industrial manufacturing processes, especially for:

  • Metal and plastic machining
  • Hard-to-machine materials such as titanium, stainless steel, Inconel
  • High-viscosity materials and thermoplastics
  • Dry machining, e.g. magnesium alloys

Targeted cooling of tools or workpieces results in:

  • increased cutting speeds
  • extended tool life
  • improved process stability

COLDER is also highly effective for cooling:

  • metal molds
  • printed circuit boards (PCBs)
  • semiconductors
  • electrical control and switching components

Precise Temperature Control & Stability

The outlet air temperature is adjusted via a control screw and monitored using a thermometer or sensor. With constant inlet pressure and temperature, the COLDER maintains the cold air temperature within ±0.6 °C, ensuring maximum process reliability.

⚠️ Important: The supplied compressed air must be free of oil and moisture to guarantee optimal performance and durability. They are maintenance-free.

Learn more about KAGER-Colder

Product- and process-related thermal indicators by KAGER
ByKager-Hightemp
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Product- and process-related thermal indicators by KAGER

Self-adhesive temperature indicators for reliable monitoring and documentation

Reliable temperature monitoring is a key factor in industrial quality assurance and process safety. KAGER offers a comprehensive range of self-adhesive temperature indicator strips and films with irreversible visual display – enabling clear, tamper-proof monitoring without electronics.

Two product groups are currently in particularly high demand: Tempstrip and Thermoscale. While both serve temperature monitoring purposes, they differ significantly in functionality and application focus.

🔹 Tempstrip – precise temperature monitoring at defined points

Tempstrip indicators cover a temperature range from 29 °C to 260 °C and are available as flexible strips or measurement dots. Typical applications include:

  • Manufacturing and assembly
  • Quality control and testing
  • Product development
  • Logistics and transport monitoring

They are available with 5-, 6-, 8- or 10-level scales and provide an irreversible color change, ensuring permanent documentation of exceeded temperature thresholds.

Key benefits:

  • Accuracy up to 100 °C: ±1 °C, above ±1 %
  • Easy handling, no power supply required
  • Tamper-proof visual documentation
  • Custom designs available on request
  • Supplied as strips, dots, or roll goods

🔹 Thermoscale – visualizing temperature distribution across surfaces

Thermoscale multilayer films are designed for process-related temperature profiling in a range from 150 °C to 210 °C. They are ideal for applications such as:

  • Process and simulation chambers
  • Drying ovens and machine housings
  • Pressure rollers and functional surfaces
  • Lamination, photovoltaic and bonding processes

🔬 How it works: Microcapsule color technology

Thermoscale films contain a microcapsule layer that reacts to heat by creating a permanent color gradient, ranging from light blue to deep red. Color intensity reflects both temperature level and exposure time.

Advantages:

  • Clear visualization of heat distribution
  • No measuring devices or complex setups required
  • Extremely thin – suitable for curved surfaces
  • Available as 5 m rolls or single sheets (270 × 200 mm)

🔹 One portfolio – extreme temperature coverage

Tempstrip and Thermoscale are part of KAGER’s extensive range of reversible and irreversible temperature indicators, including additional strips, films, temperature paints and specialty crayons.

➡️ In total, KAGER solutions cover temperatures from –17 °C up to +1,270 °C.

Learn more about temperature measuring

Merry Christmas and a Successful New Year!
ByKager-Hightemp
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Merry Christmas and a Successful New Year!

As the year draws to a close, we would like to take this opportunity to say thank you to our customers, partners and colleagues for the trust and cooperation throughout the year.

As a specialized trading and consulting company with strong expertise in temperature-related applications, we support you in mastering challenges involving high, low and extreme temperatures. Whether it’s high-temperature seals, insulation materials or technical specialty products, our goal is to deliver not only reliable products, but also expert advice and tailored solutions.

We look forward to continuing our partnership in the coming year – with technical competence, personal service and a strong commitment to quality and safety.

🎄 We wish you and your loved ones a Merry Christmas, relaxing holidays and a successful start to the New Year.

Warm regards,
Your Kager Team

Learn more about us https://www.kager.de/en/

Prevent burns, fight fires – with KAGER’s smart safety solutions.
ByKager-Hightemp
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Prevent burns, fight fires – with KAGER’s smart safety solutions

Preventing Burns and Fighting Fires: KAGER’s Smart Solutions for Workplace Safety

Innovative protection against heat and fire – from warning labels to fire containment blankets

In modern occupational safety, heat protection and fire prevention are becoming increasingly important. KAGER, a German trading and consulting company specializing in high-temperature technology, offers a wide range of practical solutions for both prevention and emergency protection – including self-adhesive warning labels, pneumatic cold air curtains, and fire containment blankets (BBD).
All products are designed for easy use and contribute to safe, ergonomic, and heat-protected workplaces across industry and trade.

Visual Warning Against Burn Hazards

KAGER’s Hot-Hand Indicator and Large Traffic Light labels provide instant visual alerts wherever there is a risk of burns – such as in foundries or glass processing.

  • The Hot-Hand Indicator turns red above 50 °C, warning users of hot surfaces.
  • The Large Traffic Light changes from green (up to 50 °C) to yellow (up to 70 °C) and finally red, indicating increasing danger.

Both labels are reversible, reusable, and language-independent, offering a simple yet highly effective tool for burn prevention.

Invisible Protection: The Line-Blow Cold Air Curtain The Line-Blow from KAGER creates a thin, dry air curtain that protects workers from heat, smoke, dust, and abrasion. Connected to a compressed air system, it acts as an invisible barrier – ideal for use in industrial environments, laboratories, or cleanrooms where both safety and technical cleanliness are key.

Immediate Response to Battery Fires

The Fire Containment Blanket (BBD) is KAGER’s rapid-response tool for battery incidents and E-Mobility applications. It helps limit damage and prevent fire spread during lithium-ion battery failures.

Made from non-combustible, high-temperature fabric with vermiculite coating, the blanket withstands up to 1,300 °C, remains non-conductive, and allows the use of sprinkler or extinguishing water.
Available in multiple formats – from compact car versions to professional emergency kits – it’s an essential part of any fire safety concept.

Conclusion

KAGER’s solutions combine prevention, protection, and performance – ensuring safety where heat and fire are constant risks. Whether through visual warnings, invisible air barriers, or fire blankets, KAGER helps companies protect people, processes, and property.

Learn more about Preventing Burns and Fighting Fires

Discover our new Kager Export Hits Catalogue!
ByKager-Hightemp
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Kager Export Hits – Our New Catalogue for the Global Market

Discover the new Kager Export Hits catalogue featuring high-temperature adhesives, insulation materials, lab accessories, air coolers, and measuring solutions – Made in Germany for global export.

Our brand-new catalogue brings together Kager’s best-selling products for the global market – clearly structured, easy to navigate, and designed to meet international demands.

From high-temperature adhesives, thermal insulation materials, and laboratory accessories to our innovative COLDER air coolers, the Line-Blow cold air curtain, and advanced systems for temperature and UV light measurement – the new Export Hits catalogue showcases all our international highlights.

Every Kager product represents German engineering, precision, and durability – trusted worldwide in industrial, laboratory, and research environments where high temperatures and accurate measurements matter.

With the new Kager Export Hits Catalogue,
international customers and partners can easily find the right solutions for
demanding high-temperature and measurement applications.

Kager – Your trusted global partner for high-temperature
technology and precision measurement.

Learn more about our portfolio

High-Temperature Gaskets up to 700 °C
ByKager-Hightemp
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High-Temperature Gaskets up to 700 °C – KAGER expands portfolio with textile sealing solutions

The German trading and consulting company KAGER has expanded its range of high-temperature sealing solutions for industrial plant and equipment engineering. The new woven gaskets made of technical fabrics are suitable for continuous operating temperatures up to 700 °C (1292 °F).

Benefits of woven gaskets

Woven gaskets (solid gaskets) provide:

  • excellent resilience and flexibility
  • high wear resistance
  • outstanding chemical resistance
  • vibration damping properties
  • long-term sealing performance without embrittlement

This ensures energy savings, reduced maintenance costs and maximum plant safety.

Product range

  • Carbo Graphite (up to 700 °C / 1292 °F): made from graphite yarn or expanded mineral graphite, reinforced with Inconel wire or molybdenum disulfide.
  • Aramid gaskets (up to 500 °C / 932 °F): resistant to acids, chemicals and abrasion – ideal for high-pressure valves, turbines and heat exchangers.
  • PTFE gaskets (up to 280 °C / 536 °F): used in hot water, steam and oxygen valves, pumps and agitators in chemical plants.
  • DYNAPACK®: versatile textile gaskets for power generation, shipbuilding, food industry, pharmaceuticals, cement and paper production.

Most KAGER high-temperature sealing solutions are free of binders, heavy metals and mineral fillers, making them especially reliable and safe.

Applications across industries

The new textile sealing tapes and cords are designed for use in boiler construction, flue gas systems, turbines, painting and ventilation technology, drying and heating processes, chemical and petrochemical plants. Customers benefit from KAGER’s expert consulting to select the ideal high-temperature gasket for their specific application.

Learn more about KAGER high-temperature sealing solutions

Colotemp Temperature-Indicating Crayons – 120–600 °C
ByKager-Hightemp
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Colotemp Temperature-Indicating Crayons – 120–600 °C

Temperature-sensitive crayons with irreversible color change. Quick and reliable surface checks in industrial processes. Range: 120–600 °C.

Temperature-Sensitive Crayons with Irreversible Color Change

The Colotemp temperature-indicating crayons provide a simple and reliable method for quick temperature monitoring in industrial processes. Within just 1–2 seconds, they clearly show whether a temperature limit between 120 °C and 600 °C has been reached or exceeded. The color change is irreversible, either single or multiple depending on the chalk type.

  • Measuring range: 120 °C to 600 °C
  • Accuracy: ± 5 °C
  • Color change: irreversible, single or multiple depending on type
  • Delivery: supplied with holder – ready to use immediately

Benefits

  • Easy to apply directly to surfaces
  • Clear, permanent color change for reliable monitoring
  • Versatile use across various industries
  • Perfect for on-site checks without additional measuring devices

Typical Applications

  • Foundry industry
  • Glass production and processing
  • Iron and steel industry
  • Welding technology
  • Paper and textile industry
  • Plastics and rubber industry
  • Chemical engineering

Learn more about Temperature-Sensitive Crayons with Irreversible Color Change

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