What should I pay attention to when using additives for the cone calorimeter?

The cone calorimeter has become an important evaluation method in the field of domestic and international fire testing. It can test materials for flame retardancy and combustion performance under various preset conditions. These measurement results can be directly used in fire protection research, and can be used as relevant necessary data to import mathematical models to predict fire development. The cone calorimeter is equipped with special software, and the functions are divided into three functional modules: calibration software, operating software, and analysis software (software function information can be requested separately). The equipment is manufactured according to the national standards GB/T and ISO standards to determine the combustion heat release rate of building materials under specific heat radiation conditions.

In order not to affect the normal use and operation of the cone calorimeter when using additives, pay attention to:

1. Benzoic acid, standard coal and lens cleaning paper with known calorific value can all be used as additives.

2. The tested coal sample and additives should be mixed evenly to keep the sample even.

3. The total weight of the tested coal sample and the additives should be about 1g, and the total calorific value should not be lower than 18000J, nor higher than 30000J.

4. Before the experiment, enter the calorific value (J/g) of the additive in the column of the calorific value of the additive in the system settings. When testing, enter the weight of the additive in the corresponding column. At the end of the test, the microcomputer calorimeter will automatically subtract the calorific value of the additive from the result.

The cone calorimeter can conduct scientific research and understanding of the heat release rate of the material, the smoke density performance, the material thermal weight loss state, and the total amount of heat. Equipping this equipment will definitely promote the scientific technology and basic theoretical research to a new level. This field provides a scientific research weapon for industry development.