Tel: +86 188 2689 9458
Tel: +86 188 2689 9458
source:other news release time:2022-12-05 Hits:
1、 Requirements for test samples of anti-static shielding bags:
The number of tested shielding bag samples shall not be less than 6; If otherwise, relevant provisions of GB/T 2828.1 shall apply.
2、 Relevant standards for detection of anti-static shielding bags:
GB/T 191 Packaging Pictorial Marks for Storage and Transportation
GB/T 2828.1 Sampling Procedures by Attributes
GB/T 15,463 Electrostatic Safety Terminology
GB/T 16288 Marking of Plastic Products
GB/T 32304-2015 Requirements for Electrostatic Protection of Aerospace Electronic Products
EDS STM 11.31-2012 Shielding performance test of anti-static bag
3、 Two methods for detection of anti-static shielding bags
1. It is the external resistance test method, and the external surface resistivity is less than 1.010120. This method can only test the external resistance of the inner and outer layers of the anti-static packaging bag. The external resistivity is 1.0105Q~1.0101202. It is not a test for the shielding layer of the anti-static packaging bag. Therefore, the test results do not reflect the performance of the anti-static packaging bag in terms of electrostatic shielding. The test results are different from the shielding performance test requirements.
2. Electrostatic peak voltage measurement methods are all external resistance measurement methods that take the measured induced peak voltage as the indicator. The external resistance value of the measured data is used to identify the quality of materials.
3. It is to test the shielding energy of the shielding bag, put the test probe into the shielding bag, measure the energy (ng) that the shielding bag can shield, and obtain the shielding energy through the test curve, so as to evaluate the shielding ability.
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