Industrial equipment used in hazardous environments must withstand far more than electrical or environmental stress. Displays installed in mining equipment, oil and gas facilities, railway systems, chemical plants, and outdoor machinery are frequently exposed to heavy impacts, vibration, abrasive particles, and accidental misuse. A damaged touchscreen is not simply an inconvenience—it can interrupt operations, create safety risks, and significantly increase maintenance costs.
To improve mechanical durability, many industrial touch displays are designed to meet the IK10 impact resistance rating defined by IEC 62262. At the same time, equipment operating in explosive atmospheres often requires ATEX certification, which governs the overall safety of the complete system rather than individual components.
Because these two standards are often mentioned together, many engineers assume they represent the same requirement. In reality, they address different aspects of industrial equipment design. IK10 evaluates mechanical impact resistance, while ATEX focuses on explosion protection through electrical, thermal, and structural safety.
This article explains how IK10-rated touchscreens are designed, why they are commonly used in ATEX equipment, the engineering challenges involved in building high-impact touch displays, and how manufacturers balance durability with optical and touch performance.
What Is an IK10 Touchscreen?
An IK10 touchscreen is a touch display designed to withstand severe mechanical impacts without losing structural integrity or touch functionality. The IK rating system is defined by IEC 62262, which classifies the level of protection that an enclosure or display provides against external mechanical impacts.
Among all IK ratings, IK10 represents one of the highest levels of impact resistance commonly used in industrial equipment. It requires the display assembly to survive an impact energy of 20 joules, equivalent to a 5 kg object dropped from a height of 400 mm.
Unlike consumer electronics, industrial touchscreens are expected to survive years of operation in environments where accidental impacts occur regularly. Examples include:
Operators striking the screen while wearing heavy protective gloves.
Tools or equipment colliding with the display.
Falling objects during maintenance.
Continuous vibration combined with occasional mechanical shocks.
Deliberate vandalism in public infrastructure.
Passing an IK10 impact test means far more than preventing the cover glass from cracking. A qualified industrial touchscreen must continue operating normally after impact, maintaining optical clarity, touch accuracy, and mechanical stability.
What Is ATEX Certification?
ATEX is a European regulatory framework governing equipment used in potentially explosive atmospheres. Unlike an IK rating, which evaluates resistance to mechanical impact, ATEX certification assesses the safety of the complete system operating in hazardous environments containing flammable gases, vapors, or combustible dust.
Surface temperatures that could ignite hazardous materials.
Mechanical construction of the enclosure.
Explosion containment.
Material selection.
Thermal management.
Environmental protection.
For this reason, an individual touchscreen cannot be ATEX certified on its own.
Instead, the touchscreen becomes one component within an ATEX-certified machine.
This distinction is frequently misunderstood during equipment development. Customers often ask whether an industrial touchscreen is "ATEX certified." Technically, the correct question is whether the touchscreen is suitable for integration into an ATEX-certified system.
High-impact resistance is often one of the design requirements for such systems, which explains why IK10-rated touchscreens are commonly specified for hazardous industrial equipment.
Why IK10 Matters in ATEX Equipment
Although IK10 and ATEX are independent standards, they complement each other in rugged equipment design.
ATEX-certified systems are frequently installed in locations where maintenance is difficult and unexpected mechanical damage cannot be tolerated. Examples include offshore platforms, mining tunnels, chemical processing plants, fuel storage facilities, and outdoor energy infrastructure.
If a display assembly fractures after impact, several problems may occur:
Loss of operator control.
Exposure of internal electronic components.
Reduced environmental sealing.
Increased maintenance requirements.
Potential safety risks caused by equipment downtime.
For these reasons, many equipment manufacturers specify IK10-rated display assemblies even though ATEX itself does not explicitly require an IK10 rating.
The goal is not simply to make the touchscreen stronger. Instead, engineers seek to improve the overall reliability of the complete system under real operating conditions where impact, vibration, dust, moisture, and temperature variations occur simultaneously.
This relationship explains why IK10-rated touchscreens are commonly found in:
Explosion-proof operator panels
Mining equipment
Oil and gas control systems
Railway operation terminals
Marine navigation equipment
Outdoor industrial kiosks
Military and defense systems
In these applications, mechanical durability directly contributes to system availability, maintenance costs, and operational safety.
How IK10 Touchscreens Are Tested
The IK rating is determined using standardized impact testing procedures defined by IEC 62262.
For an IK10 rating, the display must withstand an impact energy of 20 joules, typically generated by striking the surface with a standardized impact hammer or by applying an equivalent controlled impact under laboratory conditions.
Rather than evaluating only whether the glass breaks, engineers assess multiple performance criteria after testing, including:
A successful IK10 touchscreen should continue functioning normally after impact without significant degradation in touch accuracy or display performance.
For industrial manufacturers, passing the laboratory test is only the beginning. Products often undergo additional internal validation, including repeated impact cycles, vibration testing, thermal cycling, humidity exposure, and long-term reliability evaluations to simulate years of field operation.
Because industrial environments rarely expose equipment to a single type of stress, combining multiple reliability tests provides a more realistic assessment of product durability than impact testing alone.
IK Rating Reference Chart:
Click to watch how FANNAL performs drop impact testing:
Engineering Challenges of IK10 Touchscreen Design
Achieving IK10 impact resistance involves far more than increasing the thickness of the cover glass. Every improvement in mechanical strength introduces new engineering challenges that affect touch performance, optical quality, thermal behavior, and long-term reliability.
A successful IK10 touchscreen must balance these competing requirements rather than optimizing only for impact resistance.
Thick Cover Glass and Touch Sensitivity
One of the most common methods of improving impact resistance is using thicker chemically strengthened cover glass. Industrial IK10 touchscreens often use glass between 4 mm and 6 mm thick, significantly thicker than consumer electronics.
However, increasing glass thickness also increases the distance between the user's finger and the projected capacitive sensor. As this distance grows, the touch signal becomes weaker and more susceptible to electrical noise.
To maintain reliable operation, engineers typically optimize multiple aspects of the touch system simultaneously, including:
Sensor electrode pattern design
Controller IC sensitivity
Signal-to-noise ratio
Electromagnetic interference suppression
Touch firmware algorithms
Without proper optimization, a thicker cover lens may reduce touch responsiveness, especially when users wear industrial gloves or when water is present on the screen.
Edge Stress Distribution
Mechanical failure rarely begins at the center of the glass. During impact testing, stress is often concentrated near the edges and corners where the cover glass interfaces with the enclosure.
Poor structural design can create localized stress concentrations that eventually lead to:
Edge cracking
Delamination
Sensor damage
Reduced sealing performance
Industrial touchscreen assemblies therefore require careful mechanical integration between the cover glass, gasket, frame, and housing to distribute impact energy more evenly across the entire structure.
Optical Bonding Considerations
Thicker cover glass naturally increases the air gap between the touch surface and the LCD.
Without optical bonding, this larger gap can introduce several visual issues:
Increased internal reflections
Reduced outdoor readability
Greater optical parallax
Lower perceived contrast
Liquid optical bonding (LOCA) or optical resin (OCR) bonding minimizes these effects by eliminating the air gap between the cover lens and the display. Besides improving image quality, optical bonding also contributes to mechanical stability by helping distribute impact forces more evenly across the display assembly.
For many industrial applications, optical bonding has become an important companion technology for IK10 touchscreen design rather than an optional enhancement.
Environmental Reliability
Industrial equipment is rarely exposed to mechanical impact alone.
Displays installed in harsh environments must often withstand combinations of:
These environmental factors accelerate material aging and place additional stress on adhesives, touch sensors, and optical materials. As a result, long-term reliability depends not only on impact resistance but also on careful material selection and environmental validation throughout the entire display assembly.
Watch this test video to see how smooth and accurate the touch remains, even with thick glass:
IK10 vs ATEX: What's the Difference?
Although IK10 and ATEX are frequently mentioned together, they address entirely different engineering objectives.
Feature
IK10
ATEX
Standard
IEC 62262
ATEX Directive (2014/34/EU)
Primary Purpose
Mechanical impact resistance
Explosion protection
Applies To
Individual components or enclosures
Complete equipment or systems
Main Evaluation
Impact energy resistance
Electrical, thermal, and mechanical safety
Typical Requirement
20 J impact resistance
Safe operation in explosive atmospheres
Certification Scope
Component-level performance
System-level compliance
An IK10 touchscreen does not automatically make equipment ATEX compliant.
Likewise, an ATEX-certified machine may incorporate multiple components—including displays, power supplies, enclosures, and control electronics—that work together to satisfy explosion protection requirements.
For equipment manufacturers, understanding this distinction helps avoid unnecessary redesigns and simplifies the certification process.
Typical Applications for IK10 Touchscreens
High-impact touchscreens are widely used in industries where displays must remain operational despite accidental impacts, harsh environments, or continuous heavy-duty operation.
Oil and Gas
Equipment installed on drilling platforms, refineries, and fuel handling systems must resist impact while operating safely in hazardous atmospheres. IK10 touchscreens are commonly integrated into operator interfaces used alongside ATEX-certified equipment.
Mining
Mining machinery experiences constant vibration, airborne particles, and accidental impacts from tools or equipment. Rugged touch displays help reduce maintenance requirements while improving long-term operational reliability.
Transportation and Railway Systems
Driver consoles, ticketing systems, and railway control equipment often operate continuously in public environments where accidental damage or vandalism is possible. IK10-rated displays improve durability while maintaining reliable touch performance.
Outdoor Industrial Equipment
Outdoor kiosks, construction machinery, agricultural equipment, and charging infrastructure are exposed to weather, dust, and mechanical abuse. Combining IK10 protection with optical bonding and high-brightness displays improves both durability and readability.
Military and Public Infrastructure
Control systems deployed in defense equipment, prisons, transportation hubs, and public service terminals often require increased resistance against intentional damage while maintaining uninterrupted operation.
How FANNAL Designs Rugged Industrial Touchscreen Solutions
At FANNAL, we focus on engineering customized touch display modules for demanding industrial applications rather than manufacturing complete machines.
Our development process considers mechanical durability alongside optical performance, touch responsiveness, and environmental reliability.
Depending on application requirements, our engineering capabilities include:
Custom cover glass, printing, and surface treatments
Rather than applying a standard configuration to every project, each touchscreen assembly is optimized according to the customer's mechanical, environmental, and certification requirements.
This approach enables equipment manufacturers to integrate rugged touch displays into industrial, transportation, medical, marine, and hazardous-area systems with greater confidence.
Frequently Asked Questions
Can an IK10 touchscreen be certified as ATEX?
No. IK10 is a mechanical impact rating for components or enclosures, while ATEX certification applies to the complete equipment operating in hazardous environments. An IK10 touchscreen can support ATEX equipment design, but it is not ATEX certified by itself.
Does thicker glass reduce touch sensitivity?
It can. Increasing cover glass thickness weakens the capacitive signal between the user's finger and the sensor. Industrial touchscreens compensate through optimized sensor design, controller tuning, and firmware algorithms to maintain reliable touch performance.
Is optical bonding necessary for IK10 touchscreens?
Although not mandatory, optical bonding is highly recommended for many industrial applications. It reduces internal reflections, improves outdoor readability, minimizes optical parallax, and enhances the overall mechanical stability of the display assembly.
Can IK10 touchscreens operate with gloves?
Yes. Properly designed projected capacitive touch systems can support industrial glove operation even with thick protective cover glass, provided the sensor and controller are optimized for the application.
Does IK10 guarantee long-term durability?
IK10 verifies resistance to a defined mechanical impact test, but long-term reliability also depends on environmental conditions such as temperature, humidity, vibration, UV exposure, and overall system design. Comprehensive reliability testing is therefore essential for industrial applications.
Conclusion
IK10 impact resistance and ATEX certification address different engineering challenges, yet they frequently work together in the design of rugged industrial equipment. While IK10 ensures that a touchscreen can withstand severe mechanical impacts, ATEX focuses on the safe operation of complete systems in hazardous environments.
Designing an industrial touchscreen that meets both mechanical and environmental requirements requires more than simply using thicker glass. Engineers must carefully balance impact resistance, touch sensitivity, optical performance, sealing, thermal behavior, and long-term reliability to achieve dependable field performance.
For equipment manufacturers developing systems for demanding industrial environments, selecting the right touchscreen solution early in the design process can simplify certification, improve product reliability, and reduce maintenance throughout the equipment lifecycle.
FANNAL provides customized industrial touch display solutions with configurable IK10 protection, optical bonding, wide-temperature operation, and application-specific engineering support for customers developing rugged equipment worldwide.
