ASTM D573: Rubber Heat Aging Air Oven Testing Services
ASTM D573: Rubber-Deterioration in an Air Oven is determined using ASTM D573 test method. This test helps evaluate rubber samples on a laboratory comparison basis and provides an idea about the properties of rubber products under end-use conditions. Read more about ASTM D573 Test for Rubber Deterioration in an Air Oven below.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
What Is ASTM D573 Rubber Heat Aging Air Oven?
ASTM D573 is a test method for determining the durability of various forms of rubber against heat exposure when placed in an air oven. It essentially simulates the long-term exposure of the material to heat to determine the effect of high temperature on the physical and mechanical properties of the material. It is a test method for determining the durability of the material.
Applications and Benefits of ASTM D573 Rubber Heat Aging Air Oven Testing
Scope
The ASTM D573 standard applies to vulcanized rubber, thermoset compounds of rubber, and elastomeric parts. The test evaluates the changes in physical properties of the material after exposure to a controlled heat aging in an air-circulating oven. The material is exposed to set temperatures ranging from 70°C to 100°C for a set time. The changes in the properties of the material, such as tensile strength, elongation, hardness, etc., are then evaluated.
Applications
- Quality control of rubber products
- Material selection for high-temperature environments
- Automotive seals and gaskets
- Industrial hoses and belts
- Electrical insulation materials
- Construction rubber products
- Research and development of elastomer formulations
Benefits
- Evaluates heat aging resistance
- Predicts long-term service performance
- Identifies material degradation trends
- Supports product development and formulation improvement
- Enhances reliability and safety of rubber components
- Provides standardized comparison of materials
- Improves manufacturing consistency
Our ASTM D573 Testing Procedure
Specimen Preparation
Rubber specimens are prepared as per dimensional requirements.
1Thermal Aging
Specimens are placed in a forced-air oven and exposed to the specified temperature (70–100°C) for the defined duration.
2Post-Aging Testing
After cooling to room temperature, properties such as tensile strength, elongation, and hardness are measured.
3Data Evaluation
Pre- and post-aging results are compared to determine percentage change and material degradation.
4ASTM D573 Test Parameters and Requirements
| Parameter | Details |
|---|---|
| Applicable Materials | Vulcanized rubber and elastomers |
| Temperature Range | Typically 70°C–100°C (as specified) |
| Exposure Duration | Commonly 70–168 hours (or as required) |
| Measured Properties | Tensile strength, elongation at break, hardness, resilience |
| Evaluation Criteria | Percentage change from original properties |
| Output Units | MPa (tensile strength), %, Shore hardness units |
- Air-circulating laboratory oven
- Universal testing machine (UTM) for tensile testing
- Hardness tester (Shore A or appropriate scale)
- Resilience testing apparatus
- Analytical measuring tools
- Temperature monitoring devices
- Data recording and analysis software
Equipment and Instrumentation Used for ASTM D573 Testing
What You Receive: Test Report, Data, and Certification
- Pre- and post-aging mechanical property data
- Percentage change calculations
- Visual degradation assessment report
- Thermal aging performance evaluation
- Comparative material analysis
- Compliance reports
ASTM D573 Rubber Heat Aging Air Oven FAQs
ASTM D573 is a test that determines the effect of high temperature on the properties of vulcanized rubber. The test procedure involves comparing the mechanical properties of the rubber before and after air oven aging.
The effects of heat aging are determined by the percentage change in tensile strength, elongation, and hardness instead of sudden failure. Decreases in elongation measure embrittlement, while changes in hardness measure further cross-linking or degradation of the polymer due to heat exposure.
ASTM D573 specifies several temperature-time conditions depending on the service conditions. These include 70 hours at 70 °C or higher temperature cycles. It is important to have precise temperature control in the oven to ensure repeatable aging performance.
Yes, the aging data obtained at higher temperatures can be used in conjunction with time-temperature relations to estimate the retention of properties at lower temperatures.
ASTM D573 specifies the use of forced air circulation to maintain constant temperature and oxygen supply. Proper Air circulation is necessary to avoid hot spots and ensure consistent oxidation conditions, leading to consistent rubber aging.
Why Choose Infinita Lab for Rubber Heat Aging Air Oven Testing
At the core of this breadth is our network of 2,000+ accredited laboratories across the USA, offering access to over 10,000 testing methods and analytical services. From advanced materials characterization (SEM, TEM, RBS, XPS) to mechanical, chemical, environmental, biological, and standardized ASTM/ISO-compliant testing, we deliver unmatched flexibility, specialization, and scale. You are never limited by geography, facility, or methodology — Infinita Lab connects you to the right expertise and testing solution, every time.
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