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ASTM D1149 Ozone Test Chamber

Name: ASTM D1149 Ozone Test Chamber
Brand: Xi'an LIB Environmental Simulation Industry

The ASTM D1149 Ozone Test Chamber is an essential simulation tool for evaluating the ozone crack resistance of rubber, polymers, and elastomers. In real-world conditions, ozone—though present in small quantities—is the primary catalyst for rubber degradation.

LIB industry ASTM D1149 Ozone Test Chamber provides a strictly controlled environment, simulating years of outdoor ozone exposure in just hours or days, ensuring your products meet the most demanding international safety and quality standards.

Standard Models: OC-250, OC-500, OC-800, OC-010 and more customized models

Applicale Standards: ASTM D1149, ISO 1431, JIS K6259, DIN 53509

Meet ASTM D1149 Standards with Precision

ASTM D1149 defines the method for determining ozone cracking in vulcanized rubber under static or cyclic tensile strain.

Key Parameters and Requirements:

Ozone Concentration: 25–200 PPHM standard exposure, chamber supports 1–1000 PPHM adjustable
Temperature: Typically 40°C; chamber supports 0–100°C for custom testing
Tensile Strain: Static elongation and cyclic stretching up to 80%
Humidity: 30–98% RH controlled to maintain repeatable results
Evaluation: Crack formation observed visually or via magnification

This ensures rubber components meet durability expectations under ozone exposure before deployment.

Why LIB Industry ASTM D1149 Ozone Test Chamber Outperforms the Competition

Stable Ozone Generation: Real-time closed-loop control maintains ±5% accuracy across 1–1000 PPHM.
Dynamic & Static Aging: Supports both cyclic and constant strain testing for realistic stress simulation.
Uniform Environmental Exposure: Airflow of 0.6–1.0 m/s ensures even ozone, temperature, and humidity distribution.
Programmable Intelligent Control: Multi-step cycles, USB data export, alarms, and remote monitoring.
Durable & Corrosion-Resistant: SUS304 stainless steel inner chamber resists long-term ozone exposure.
Safety & Environmental Protection: Exhaust system reduces residual ozone below 0.1 ppm, protecting operators and lab environment.

Specifications of ASTM D1149 Ozone Test Chamber

Model	OC-250	OC-500	OC-800	OC-010
Internal Dimension (mm)	600600700	700800900	80010001000	100010001000
Overall Dimension (mm)	96011501860	120013402020	130015402120	150015402140
Interior Volume (L)	250	500	800	1000
Temperature Range	0℃ ～ +100 ℃
Temperature Fluctuation	± 0.5 ℃
Temperature Deviation	± 2.0 ℃
Humidity Range	30% ~ 98% RH
Humidity Deviation	± 2.5% RH
Cooling Rate	Ambient ~ 0℃ within 20 min
Ozone Concentration	1～1000PPHM
Sample Holder Rotate Speed	0~10 r/min
Airflow Rate	0 ~ 60L/min
Clamps Tensile Stretch	5%～35%
Cooling system	Mechanical compression refrigeration system,French TECUMSEH compressor
Controller	Programmable color LCD touch screen controller Ethernet connection, PC Link
Water supply system	Automatic water supply,Water purification system
Temperature Sensor	PTR Platinum Resistance PT100Ω/MV A-class
Gas Sensor	Ozone gas sensor
Ozone Generator	Silent discharge type ozone generator
Sample Holder	Static + dynamic combined sample holder
Interior Material	SUS304 stainless steel
Observation Window	Interior lighting, double-layer thermo stability silicone rubber sealing

Core Features of ASTM D1149 Ozone Test Chamber

▸ High-Precision Ozone Generation & Monitoring

Silent discharge ozone generator with UV absorption sensor ensures precise detection. Real-time closed-loop control maintains ozone within ±5% deviation across 1–1000 PPHM, fully meeting ASTM D1149 requirements.

▸ Dynamic & Static Sample Holders

Adjustable static and rotating dynamic holders support 0–10 r/min rotation and 5–80% elongation, simulating both constant and cyclic stress scenarios, reflecting real-world rubber aging.

▸ Controlled Airflow & Velocity for Uniform Exposure

Forced air circulation system with stainless steel long-axis fan enables adjustable airflow of 0.6–1.0 m/s, ensuring uniform ozone distribution, temperature (0–100°C), and humidity (30–98% RH) across the chamber.

▸ Intelligent Touchscreen Control for Efficiency

Industrial PLC with 7-inch touchscreen allows precise control of ozone, temperature, and humidity. Multi-step programming, USB data export, alarm functions, and remote monitoring support unattended operation.

▸ Corrosion-Resistant Chamber with Clear Observation

Inner chamber built from SUS304 stainless steel with multi-layer conductive glass window prevents fogging. Silicone or fluororubber seals resist ozone corrosion, ensuring long-term airtightness and durability.

▸ Safe & Eco-Friendly Ozone Exhaust System

Activated carbon or catalytic decomposition rapidly removes residual ozone below 0.1 ppm. Automatic exhaust control ensures operator safety and environmental compliance, while reducing downtime between tests.

Simulate Real Ozone Aging And Detect Failures Before They Happen

Contact LIB industry to configure your ASTM D1149 ozone test chamber, ensuring precise, repeatable, and safe testing for rubber and elastomer materials.

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Request your quote now to enhance your material durability testing.

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