Ozone Resistance Testing Machine

The ozone resistance tester is a specialized instrument designed to assess the ozone aging resistance of rubber materials by exposing test samples to a controlled environment with precisely regulated ozone concentration, temperature, and humidity levels. Ozone, a highly reactive gas present in the atmosphere, can cause rubber to degrade over time, leading to cracking, embrittlement, and loss of elasticity. This degradation is particularly problematic for rubber components in outdoor applications—such as automobile tires, door seals, and industrial hoses—as well as in specialized environments like electrical insulation and aerospace seals. By simulating accelerated ozone exposure, the tester provides critical data on how rubber resists cracking and changes in physical properties, enabling manufacturers to validate material formulations, ensure compliance with standards, and extend product service life.

The ozone resistance testing machine evaluates the ozone aging resistance of rubber by exposing test samples to a closed environment with controlled temperature, humidity, and ozone concentration (under static or dynamic stretching conditions). It assesses the degree of cracking or changes in physical properties after conditioning.

Equipped with continuous ozone measurement and control functions based on the Beer-Lambert Law, this tester adopts an ultraviolet absorption method, eliminating the need for chemical substances and ensuring simple operation. Ozone concentration and temperature can be set via the HMI, while the PLC system automatically maintains the chamber conditions. The ultraviolet measurement system dynamically calculates ozone concentration under flow rate changes, enabling fast, anti-interference, and non-destructive real-time detection.

Compliant Standards
ASTM D-3041, D-1171, D-1149, JIS K-6295, ISO 1431-1, ISO 1431-3, GB 16897, GB/T 13642, GB/T 7762, GB/T 7127, HG/T 2869, etc.

Key Features

  • Intelligent HMI Control
    A large color LCD touchscreen facilitates real-time management of ozone concentration and environmental parameters.
  • Rapid Ozone Regulation
    Reaches the target concentration within minutes for efficient testing.
  • Continuous Ozone Management
    Automatically generates and feedback-controls ozone to maintain the set level.
  • Optional Visual Monitoring
    A camera system for real-time crack observation and automatic archiving.
  • Maintenance-Free Ozone Generation
    Uses a high-voltage discharge ceramic plate generator (no consumables required).
  • Precise Ultraviolet Analysis
    Imported ozone analyzer with ultraviolet absorption ensures chemical-free and accurate measurement.
  • Superior Temperature Control
    Compressor-based mechanical refrigeration enables long-term stable operation (±0.5°C precision, water-saving compared to water cooling).
  • Humidity Control (Optional)
    Imported sensor with temperature compensation (35%–70% RH, customizable range).
  • Intelligent Feedback System
    Pressure-controlled ozone generation: increases output when below the set concentration and reduces voltage to prevent overproduction.
  • Safety Protection
    Electromagnetic door lock prevents opening under hazardous concentrations; ozone is filtered and decomposed before exhaust.
  • Unattended Operation
    Supports automatic long-term testing (0–999 hours timer) with real-time data recording.
  • Ergonomic Design
    Illuminated observation window; optional dynamic/static fixtures for versatile testing.

Technical Specifications

Parameter Specification
Ozone Concentration 10–1000 pphm (customizable)
Concentration Accuracy ±3% of the set value
Fluctuation Accuracy ≤±2.5 pphm
Resolution 0.1 pphm
Temperature Range 20–90°C (customizable)
Temperature Control ≤±0.5°C
Humidity Range (Optional) 15%–70% RH (±2.5% accuracy)
Ozone Generation Ceramic high-voltage plate discharge
Timing System 0–999h programmable
Exhaust System Activated carbon filtration for safe ozone decomposition
Inner Chamber Size 500×500×600 mm (W×D×H)
Machine Size 1540×750×1920 mm (W×D×H)
Power Supply 1-phase, AC 220V, 50/60Hz

Applications

This tester is ideal for testing rubber and rubber products, supporting ozone aging resistance evaluation for quality control, material research and development, and compliance with international standards.

Summary

The ozone resistance testing machine integrates precise environmental control, intelligent ozone management, and safety-first design to provide reliable aging analysis for rubber materials. Its automated operation, real-time monitoring, and customizable features make it a comprehensive solution for ozone resistance testing in industrial and research settings.

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