The heat resistance and flame retardancy test of the electric and steam rice steaming cart is an important part of ensuring its safety performance. The following are the specific methods for these two tests:

1. Heat resistance test
The heat resistance test is designed to evaluate the working performance and stability of the electric and steam rice steaming cart in a high-temperature environment. The test methods are as follows:

High-temperature environment simulation:
Place the electric and steam rice steaming cart in a simulated high-temperature environment, usually through heating equipment or a temperature control box.
Set the temperature of the simulated environment to reach or exceed the maximum temperature of the rice steaming cart when it is working normally.
Performance monitoring:
Operate the rice steaming cart in a high-temperature environment and monitor its various performance indicators, such as heating efficiency, energy consumption, electrical parameters, etc.
Observe whether the structure of the rice steaming cart is deformed, loose, or damaged.
Duration:
Continue the high-temperature environment test for a period of time to evaluate the long-term working stability of the rice steaming cart at high temperatures.
Data analysis:
Collect the test data and compare it with the standard value or expected value.
Based on the data results, judge whether the heat resistance of the rice steaming cart is qualified.
2. Flame resistance test
The flame resistance test is designed to evaluate the safety performance of the electric and steam rice steaming cart in the event of a fire. The test method is as follows:

Sample preparation:
Select representative electric and gas rice steaming cart samples for testing.
Ensure that the sample is consistent with the actual rice steaming cart in structure and material.
Combustion test:
Carry out a combustion test on the sample under specific conditions, such as using an ignition source to ignite a part of the sample.
Observe and record the burning speed, flame spread, smoke generation, etc. of the sample during the combustion process.
Flame propagation restriction:
Evaluate whether the sample can effectively limit the spread of flame during the combustion process.
Check whether the sample has self-extinguishing properties or can extinguish itself within a certain period of time.
Material analysis:
Analyze the chemical composition of the materials used in the sample to evaluate its flammability.
Check whether the material meets relevant safety standards or regulatory requirements.
Data analysis:
Collect and organize the data of the combustion test, including burning time, flame height, smoke concentration, etc.
According to the data results, judge whether the flame retardancy of the rice steaming cart meets the requirements.
Notes
Testing standards:
Heat resistance and flame retardancy tests should be carried out in accordance with relevant national or industry standards to ensure the accuracy and comparability of the test results.
Safety measures:
When conducting heat and flame retardancy tests, necessary safety measures should be taken, such as wearing protective equipment, setting up safety isolation areas, etc.
Equipment calibration:
Ensure that the testing equipment and instruments used are calibrated and verified to ensure the accuracy of the test results.
Data recording:
Record the data and information during the test in detail for subsequent analysis and evaluation.
Result determination:
Based on the test results and relevant standards, determine whether the heat and flame retardancy of the electric and steam rice steaming cart is qualified.
In summary, the heat and flame retardancy test of the electric and steam rice steaming cart is an important link to ensure its safety performance. Through scientific and standardized testing methods, the working performance and safety of the rice steaming cart under high temperature and fire conditions can be evaluated, providing strong support for product design and improvement.