1.Introduction.
gb/t 9914.The 2-2013 standard is formulated to standardize the method for determining the combustible content of glass fiber in reinforced products. In the production and application of reinforcements, understanding the combustible content of glass fibers is of great significance for the performance and safety evaluation of products. The purpose of this standard is to provide an accurate and reliable test method for the efficient determination of the combustible content of glass fibers.
2.Scope of application.
This standard applies to the determination of the combustible content of glass fibers in reinforced products. These data are of guiding significance for the formulation of product standards, quality control, and product performance evaluation.
3.Normative references.
When using this standard, attention should be paid to the following normative references:
gb/t 9914.1-2013 "Test Methods for Reinforced Products Part 1: Determination of Total Glass Fiber Content".
4.Terms and Definitions.
For the purposes of this standard, the following terms and definitions apply:
4.1 Fiberglass combustibles.
The combustible composition of glass fibers in reinforced articles, expressed as a mass fraction.
5.Test setup.
5.1. Glass fiber combustible content test device.
The accuracy and reproducibility of the assay should be ensured in accordance with the provisions of this standard.
6.Preparation of test samples.
6.1 Test sample.
According to GB T 99141-2013, preparation of representative test samples.
7.Test procedure.
7.1 Combustion test.
Under the specified conditions, the test samples were burned to determine the mass fraction of glass fiber combustibles.
8.Data processing.
8.1 Calculation of the combustible content of glass fibers.
Based on the results of the combustion test, the mass fraction of glass fiber combustibles is calculated.
9.Expression of the results.
The value of the combustible content of glass fiber should be specified in the test report, and the unit should meet the national standard.
10.Conclusion.
gb/t 9914.The 2-2013 standard specifies in detail the method for determining the combustible content of glass fiber in reinforced products, including the requirements for test devices, test procedures, data processing, etc. By following this standard, the content of glass fiber combustibles in reinforced products can be more accurately and reliably assessed, providing strong support for product design, production and quality control.