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RoHS testing process for electronic and electrical products

Date:2025-07-21 10:30:56 Classification :【question】 Visits:178
The RoHS testing process for electronic and electrical products includes application, testing, review report and issuance:

1. Application and document preparation

- The applicant needs to fill in the ROHS testing application form and provide relevant materials such as test samples (usually 2-3), circuit schematics, product manuals, parts list (BOM table) and certification application form. This step ensures that the testing agency can fully understand the product information and prepare for subsequent testing.

2. Testing fee determination and contract signing

- The testing agency determines the testing fee based on the product. The applicant needs to confirm the quotation, sign the case application form and service agreement, and pay the full project fee. This step clarifies the responsibilities and obligations of both parties to ensure the smooth progress of the testing work.

3. Sample testing and result analysis

- The testing agency conducts a series of tests on the submitted samples, including content tests of harmful substances such as lead, cadmium, and mercury to determine whether the product meets the requirements of the ROHS directive. The testing project is usually carried out through precise methods such as chemical analysis to ensure the accuracy of the results.

4. Review report and certificate issuance

- After the test is completed, the testing agency will review the test report and confirm with the applicant whether the product meets the requirements of the ROHS directive. If the product meets the requirements, a ROHS test report will be issued to prove that the product has passed the environmental protection and health test and can be legally marketed.

5. Selection and qualification requirements of testing agencies

- Applicants need to select qualified testing agencies for ROHS testing. These agencies should meet internationally recognized standards and be able to provide testing services that meet the requirements of the ROHS directive. Selecting a suitable testing agency is the key to ensuring the smooth progress of the test and the accuracy of the results.

6. Sample pretreatment and testing methods

- Before conducting ROHS testing, it is usually necessary to perform pretreatment steps such as cleaning, cutting, and crushing on the samples to ensure that the samples are uniform and suitable for testing. Testing methods include chemical dissolution methods, etc., which use precise analytical methods to detect the specific content of various harmful substances in the product.

7. Background and environmental significance of the ROHS directive

- The ROHS directive is the EU's directive on the restriction of harmful substances in electronic and electrical products, requiring that the content of harmful substances in the product be lower than the specified limit. ROHS testing is a management of the green supply chain, which reduces the use of harmful substances, improves the green competitiveness of products, and is an important symbol of environmental protection.

8. Selection and advantages of testing instruments

- ROHS testing requires the use of precise instruments to analyze the composition of materials. Common instruments include X-ray fluorescence spectrometer (XRF) and atomic absorption spectrometer (AAS). These instruments can detect the specific content of various harmful substances in the product through precise analysis methods to ensure that the product meets the ROHS standard.

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