Product Description
Ozone testing equipment for automotive sealing strips Standard Features
| Item | Specification |
| Internal dimension | 450W*450D*500Hmm (100L) |
| Temperature range | RT+10~ 60 (suggest to use 402) |
| Temperature Fluctuation | 1 |
| Ozone concentration | 50~1000 pphm, adjustable (suggest to use 50pphm) |
| Ozone concentration deviation | 10% |
| Sample holder rotation | 360 degree rotation |
| Sample holder | 2pcs removable sample tray, SUS#304 stainless steel |
| Temperature controller | Programmable touch screen controller |
| Ozone concentration analysis | Concentration analysis meter |
| Ozone generator | High pressure silence discharge type |
| Protection system | Leakage, short circuit, over temperature, over heat |
Why traditional ozone chamber can not restore the real failure?
Automotive seals are subjected to a multi-dimensional coupled attack of mechanical deformation + ozone exposure + temperature and humidity fluctuations in actual use, while traditional equipment only static ozone testing, resulting in:
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Risk of distortion: static stretching cannot simulate the cyclic compression/rebound of a car door opening and closing (e.g. 50 cycles per day);
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Risk of omission: ignoring the accelerating effect of temperature and humidity fluctuations on ozone penetration rates (e.g. condensation due to day/night temperature differences);
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Data disconnect: no quantitative correlation between laboratory crack ratings and real vehicle air leakage/rattle failures.
Technology targeting: construct a dynamic mechanical-environmental coupled ozone aging system, and synchronize the output of engineering quantifiable failure prediction models.
2. Technology leap: four-dimensional dynamic ozone aging system
2.1 Mechanical dynamic simulation module
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Multi-axis motion coupling:
Compression-torsion composite motion: simulates the compression deformation of the sealing strip when the door is closed (0-30mm travel) and the torsional shear of the window lift (15 angle);
Frequency programmable: supports 0.1-5Hz cycles (covering daily use to extreme working conditions).
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Stress feedback closed loop:
Real-time monitoring of seal contact pressure (0-200N), dynamically adjusting the amount of deformation to maintain constant stress (meets SAE J1401 dynamic sealing test requirements).
2.2 Environmental-mechanical coupling control
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Dynamic response to ozone concentration:
Automatically adjusts the ozone concentration gradient according to the seal deformation rate (e.g., ramps up to 500 pphm in the compression phase and down to 200 pphm in the rebound phase);
Humidity-synchronized pulse injection (from 30%RH to 80%RH in 10s) to simulate the enhanced ozone penetration effect in rainy days.
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Temperature shock extension:
Integrated liquid nitrogen rapid cooling (-40C) and infrared transient heating (120C) to verify the synergistic damage of low temperature embrittlement and thermal oxidation.
2.3 Digital twin monitoring system
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Microscopic damage capture:
Laser confocal sensor online scanning of seal surface cracks (1m resolution) to establish the crack expansion rate as a function of the number of mechanical cycles;
Real-time gas tightness detection: helium mass spectrometer leak detector synchronously monitors the leakage rate of the seal cavity during aging (accuracy 10- Pa-m/s).
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Failure prediction algorithm:
Multi-parameter fusion model based on crack depth, leakage rate, and compression resilience decay to output seal remaining life (RUL) curves.
3. Data empowerment: from pass judgment to forward design.
3.1 Closed loop formulation optimization
-Material gene library construction: from pass judgment to positive design.
Material gene pool construction:
Compare the failure thresholds of EPDM, TPV, and silicone rubber under different ozone-mechanical coupling conditions to generate a material selection matrix;
Quantification of the marginal benefit relationship between the addition of anti-ozonants (e.g. p-phenylenediamines) and dynamic resilience.
3.2 Process parameter mapping
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Validation of the vulcanization process:
Inverse the optimization window for vulcanization temperature/time from ozone aging data (e.g., over-vulcanization leads to 20% reduction in dynamic fatigue life);
Predicting the contribution of the secondary vulcanization process to crack suppression.
3.3 Whole Vehicle Reliability Validation
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Road-lab correlation:
Calibrate laboratory acceleration factors (e.g., 500pphm + 5Hz mechanical cycling = equivalent 3 years of use) in conjunction with real vehicle road test data (e.g., 100,000km seal deformation);
Output regional ozone concentration profiles (e.g., industrial area vs. waterfront) corresponding to customized protection schemes for seals.
Equipment Innovation Label
Technology Dimension
Traditional equipment shortcomings
This program breakthrough
Mechanical load
Single static tension
Multi-axis dynamic compression/torsion/shear composite motion
Environmental Coupling
Constant temperature and humidity ozone exposure
Millisecond dynamic coupling of ozone - temperature and humidity - mechanical motion
Data Values
Visual Crack Class Determination
Microscopic damage quantification + residual life prediction + formulation inverse optimization
Examples of Industry-Level Solutions
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New energy vehicle low pressure sealing challenges:
Problem: High-voltage fast charging leads to a sharp rise in ozone concentration in the cabin and accelerated decay of the dynamic resilience of traditional EPDM seals;
Solution: Simulate 10ppm ozone + 100 times/hour hatch opening and closing in the equipment, and screen high-pressure ozone-resistant hydrogenated nitrile butadiene rubber (HNBR) alternatives.
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Autopilot sensor sealing:
Problem: LIDAR seals need to withstand both ozone aging and high frequency micro-vibration (200Hz);
Solution: Integrate a high-frequency vibration table (0-500Hz) to verify the stability of the damping characteristics of the sealant under ozone environment.
Precision Ozone Testing for Automotive SealsEngineered to deliver reliable and repeatable results, the Ozone Testing Chamber is tailored for the rigorous demands of automotive seal and polymer material testing. Uniform ozone distribution, customizable test cycles, and advanced safety features ensure that testing meets industry and international standards, supporting RoHS and CE compliance as well as extended operational lifespans.
Intelligent Control and Flexible OperationEquipped with intuitive digital microprocessor controls and programmable cycles, the chamber allows precise adjustment of ozone concentration, humidity, and temperature. Users can recall historical data for detailed analysis, and the chamber supports semi-automatic or fully automatic operation for optimized workflow. The built-in observation window and UV-resistant lighting facilitate real-time specimen monitoring.
Robust Construction and Enhanced SafetyThe inner chamber is constructed from SUS 304 stainless steel for corrosion resistance and long-lasting performance. Features such as over-temperature alarms, a front-hinged safety-interlocked door, and quiet operation ( 65 dB A) ensure both user safety and equipment reliability, making it fully suited for both laboratory and industrial environments.
FAQ's of Ozone testing equipment for automotive sealing strips:
Q: How does the ozone testing equipment generate and control ozone concentration during tests?
A: The chamber employs a corona discharge ozone generator to produce ozone, maintaining uniform concentration within the test zone ( 10%). Ozone levels can be precisely set between 0 and 200 pphm, with real-time monitoring via UV absorption or electrochemical sensors, and adjustments managed through a digital microprocessor control system.
Q: What benefits does using this ozone testing chamber offer for automotive sealing strips?
A: This equipment enables accelerated aging tests, providing reliable assessment of ozone resistance for automotive seals, rubber, and other polymer materials. Uniform environmental conditions, programmable cycles, and historical data storage help ensure compliance with international durability standards, supporting product development and quality assurance.
Q: Where is this ozone testing equipment best utilized?
A: The chamber is designed for laboratory and industrial environments in automotive, polymer, and rubber testing sectors. Its robust construction, safety features, and compliance with RoHS and CE standards make it an excellent fit for product development labs, quality control departments, and research facilities.
Q: When should testing with this ozone chamber be employed in the product lifecycle?
A: Ozone resistance testing should be performed during both development and quality control phases to evaluate seals' durability and predict service life under environmental stress. Routine batch testing and periodic assessment of product samples ensure ongoing compliance and material performance.
Q: What is the typical process for testing specimens in this chamber?
A: Specimens (typically 4-8 per batch) are mounted in the chamber, which is set for specific ozone concentration, temperature, humidity, and cycle parameters. The test runs for predetermined durations (0-9999 min), with samples rotating 2-6 rpm to ensure even exposure. Results are recorded digitally for later analysis.
Q: How does data storage and retrieval work on this equipment?
A: The system supports historical data recall, allowing users to access past measurements and test parameters via its digital LCD display and RS232/USB interface. This feature enables detailed comparisons, trend analysis, and facilitates reporting for audits or product certification.
Q: What safety and durability features does the ozone chamber include?
A: Key safety features include an over-temperature alarm, door safety interlock, and UV-resistant built-in LED lighting. The inner chamber is SUS 304 stainless steel, ensuring corrosion resistance and a service life exceeding 10 years under normal maintenance and operation.