What is ISO 2453:2020 Rubber, raw styrene-butadiene, emulsion-polymerized — Determination of bound styrene content — Refractive index method?
ISO 2453:2020 specifies a refractive index method for determining the bound styrene content in raw emulsion-polymerized styrene-butadiene rubber (SBR). SBR is a type of synthetic rubber that is commonly used in the manufacture of tires, footwear, and other rubber products.
The standard outlines the following aspects of the refractive index method:
Principle
Apparatus
Sampling
Procedure
Precision
ISO 2453 is intended for use by rubber manufacturers, quality control laboratories, and other organizations involved in the production and testing of SBR. It helps to ensure that SBR materials are of consistent quality and meet established standards for bound styrene content.
Requirements of ISO 2453:2020
ISO 2453:2020 specifies the requirements for the refractive index method used to determine the bound styrene content in raw emulsion-polymerized styrene-butadiene rubber (SBR). The standard outlines the following requirements:
Sample preparation: The SBR sample should be prepared in accordance with the procedures outlined in the standard. Including the size of the sample and the preparation of test specimens.
Apparatus: The standard specifies the required apparatus, including a refractometer, a sample cell, and a thermostatic bath. The apparatus should be calibrated in accordance with the manufacturer’s instructions.
Procedure: The standard outlines the step-by-step procedure for determining the bound styrene content in SBR using the refractive index method. This includes the preparation of the sample, the measurement of the refractive index, and the calculation of the bound styrene content.
Calculation: The bound styrene content is calculated based on the difference in refractive index before and after the removal of free styrene. So, The standard provides a formula for the calculation of the bound styrene content.
Precision: The standard provides information on the precision of the refractive index method. Including repeatability and reproducibility. The precision data is based on interlaboratory testing of SBR samples.
ISO 2453:2020 provides a standardized method for determining the bound styrene content in SBR. Which is an important parameter for ensuring the quality and consistency of SBR materials used in the production of various rubber products.
Benefits of this ISO Standard
Standardization: The standard provides a standardized method for determining the bound styrene content in raw emulsion-polymerized styrene-butadiene rubber. Thus, this helps to ensure consistency in testing procedures and accurate measurement of the bound styrene content.
Quality control: The determination of the bound styrene content is an important parameter for ensuring the quality and consistency of SBR materials used in the production of various rubber products. Such as tires and footwear. Therefore, the use of a standardized method ensures that SBR materials are of consistent quality and meet established standards.
Increased efficiency: The use of a standardized method can increase efficiency in testing procedures. Reducing the need for multiple testing methods and streamlining the testing process.
Improved reliability: The standard provides guidance on the precision of the refractive index method. Including repeatability and reproducibility. Thus, this information can help to improve the reliability of the testing results. And reduce the risk of errors or inconsistencies in testing.
At last, International acceptance: ISO 2453 is an internationally recognized standard, which means that SBR manufacturers, quality control laboratories. And other organizations can use the same testing method and obtain comparable results regardless of their location or the origin of the SBR materials.
ISO 2453:2020 helps to ensure the quality and consistency of SBR materials used in the production of various rubber products, while also increasing efficiency and improving reliability in testing procedures.
Who needs ISO 2453:2020-Rubber, raw styrene-butadiene, emulsion-polymerized — Determination of bound styrene content?
ISO 2453:2020 can be useful for a range of organizations involved in the production, testing, and quality control of raw emulsion-polymerized styrene-butadiene rubber (SBR) materials. Therefore, This can include:
SBR manufacturers: SBR manufacturers can use the standard to ensure the quality and consistency of their SBR materials. Which can be used in a range of rubber products, such as tires and footwear.
Quality control laboratories: Quality control laboratories can use the standard to test SBR materials for the bound styrene content, which is an important parameter for ensuring the quality and consistency of SBR materials.
Regulatory bodies: Regulatory bodies can reference the standard when establishing regulations and requirements for SBR materials used in various industries.
Also, Research and development organizations: Research and development organizations can use the standard to develop new methods for testing the bound styrene content in SBR materials or to evaluate the effectiveness of existing testing methods.
This standard can be useful for any organization involved in the production, testing, or quality control of raw emulsion-polymerized styrene-butadiene rubber materials.
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