Product Description
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 |
. Battlefield map of ozone aging of coatings
1. Three-dimensional damage mechanism of ozone on coatings
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Chemical attack layer: ozone oxidizes the resin matrix (e.g. alkyd resin double bond breakage) and weakens the coating crosslink density;
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Physical penetration layer: ozone diffuses along the pigment/filler interface (e.g. edges of titanium dioxide agglomerates), triggering micro-crack nucleation;
Interfacial peeling layer: substrate-filler interface diffusion of ozone (e.g. edges of titanium dioxide aggregates), leading to micro-crack nucleation
Interfacial stripping layer: ozone-catalyzed metal oxidation at the substrate-coating interface (e.g., steel substrate corrosion expansion), leading to adhesion failure.
Equipment design mission:
Need to simultaneously simulate the 3D attack path of ozone on coating body-interface-substrate in a single device and quantify the damage contribution of each layer.
II. Multimodal ozone attack system
2.1 Ozone-UV-hygrothermal triple-field coupling
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Attack wave spectrum programming:
Ozone pulse: 0-1000pphm gradient output (to simulate sudden ozone pollution events in industrial areas);
UV resonance: matching the solar spectrum (340nm/420nm) to excite coating photosensitive groups and enhance ozone reactivity (e.g. carbonyl activation of acrylic polyurethanes);
Hygrothermal cycling: dew point control technology realizes periodic condensation on the coating surface (ISO 11507 condensation mode compliant).
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Energy field synergy:
Dynamic coupling of ozone concentration and UV intensity (e.g. 500pphm ozone + 0.8W/m UV = equivalent to 5 years of outdoor exposure in equatorial regions).
2.2 Holographic diagnostic module for coating damage
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Molecular fingerprint tracking:
In-situ FTIR spectroscopy for real-time monitoring of resin characteristic peak attenuation (e.g. C=C bond 1630cm- peak area change);
Raman imaging system to map ozone permeation paths at the pigment/filler interface (spatial resolution 1m).
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Mechanical properties co-testing:
Nanoindentation instrument to test coating hardness modulus online (0-500mN load to avoid sampling damage);
Automatic evaluation of interfacial adhesion by micro-zone gridding instrument (ASTM D3359 Method B).
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Apparent intelligent rating:
Hyperspectral imaging system (400-2500nm) quantifies color difference E, gloss loss (60 angular accuracy 0.1GU);
AI vision to recognize coating crack fractal dimension and blistering density (compliant with ISO 4628-4/5 quantification standard).
III. Coating R&D lifecycle enablement
3.1 Formulation gaming optimization system
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Defense matrix construction:
Database for simulation of ozone inhibitors (e.g., hindered amine light stabilizers) and resin/pigment compatibility;
Inverse extrapolation of optimal addition ratios from ozone attack data (e.g., critical concentration of HALS in acrylic systems is 0.8 wt%).
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Failure warning algorithms:
Prediction of coating Tg (glass transition temperature) drift trends based on FTIR feature peak displacements;
Mathematical modeling of ozone flux - crosslinking degradation - scratch resistance degradation.
3.2 Process Defect Microscopy
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Traceability of spraying defects:
Reverse identification of process defects such as uneven spraying and insufficient curing (e.g. dry spraying results in areas with porosity >3% becoming ozone penetration channels) through the crack distribution pattern of the coating after ozone aging;
Generate a 3D process window of electrostatic spraying voltage - atomization pressure - ozone tolerance.
3.3 Application Scenario Digital Twins
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Advanced Ozone Resistance Testing for Paint IndustryThis ozone chamber is meticulously designed for the evaluation of paint and coating durability under controlled ozone exposure. With support for up to six specimens, variable speeds, programmable cycles, and adjustable environmental conditions, it enables comprehensive and repeatable testing-helping paint manufacturers meet stringent quality and compliance demands.
User-Friendly Design and Superior Safety FeaturesEquipped with a full-view glass door sealed with silicone rubber, the chamber allows easy monitoring without compromising the test conditions. Enhanced safety is ensured through multilayer protection: leak alarms, overload breakers, emergency shutoff, and overtemperature protection, providing peace of mind during operation.
FAQ's of Ozone testing chamber for the paint industry:
Q: How does the Ozone Testing Chamber evaluate paint resistance to ozone exposure?
A: The chamber subjects coated samples to controlled ozone concentrations, temperature, and humidity as per ASTM D1149 and ISO 1431 standards. By simulating accelerated aging, it measures paint degradation, cracks, or discoloration, providing quantitative data on ozone resistance.
Q: What is the process for setting up a test in the chamber?
A: Users mount specimens onto non-reactive stainless steel holders, set test parameters-including ozone level, humidity, temperature, and test cycles-via the digital touch screen, and start the cycle. The chamber automates ozone generation (via UV/corona discharge), air circulation, and sample exposure, recording data for analysis.
Q: When should I use this equipment for paint testing?
A: It is advisable to use the Ozone Testing Chamber during R&D, product development, and routine quality assurance to predict product lifespan and ensure compliance with international standards. It is especially useful for paints expected to endure outdoor or high-ozone environments.
Q: Where is the Ozone Testing Chamber best utilized within a production facility?
A: This floor-standing, noise-controlled (<60 dB) machine fits seamlessly into laboratory or designated testing areas, near supply power outlets (220V, single phase, 50Hz), and where secure ventilation is available.
Q: What are the benefits of using this ozone chamber for paint manufacturers?
A: Benefits include accurate, repeatable ozone exposure tests, improved product reliability data, compliance documentation for exports, and reduced risk of premature paint failure in the market. Its automated features optimize workflow and minimize human error.
Q: How is safety ensured during ozone testing operations?
A: Multiple safety mechanisms-leak detectors, overload protection, emergency shutoff, and automatic exhaust purge-mitigate risks, while the full-view glass window and silicone gasket keep operators protected from ozone exposure.