BAIJIAN - Third party testing organization
Test items include size deviation、 surface quality、 chemical composition、 density、 hardness、 resistivity、 etc Scope of application: Rivet type electrical contacts、 powder metallurgy contacts、 sheet shaped contacts、 copper tungsten and silver tungsten electrical contacts、 silver nickel graphite electrical contacts、 copper chromium electrical contacts、 silver tin oxide electrical contacts、 metal oxide electrical contacts、 silver graphite electrical contacts、 etc Related Testing Standards
GB/T 8320-2017 Copper Tungsten and Silver Tungsten Electrical Contact Materials
GB/T 27751-2011 Technical Conditions for Silver Nickel Graphite Electrical Contact Materials
GB/T 26871-2011 Metallographic Test Methods for Electrical Contact Materials
GB/T 26867-2011 Technical Conditions for Copper Chromium Electrical Contact Materials
GB/T 26872-2011 Metallographic Atlas of Electrical Contact Materials
GB/T 24300-2009 Copper Tungsten Electrical Contact Defects Detection Method
GB/T 24269-2009 Technical Conditions for Copper Chromium Iron Electrical Contact Materials
GB/T 2426 8-2009 Chemical Analysis Methods for Silver Tin Oxide Electrical Contact Materials
GB/T 24273-2009 Electrical Contact Materials Electrical Performance Test Methods
GB/T 13397-2008 Alloy Internal Oxidation Method Silver Metal Oxide Electrical Contact Technical Conditions
GB/T 12940-2008 Silver Graphite Electrical Contact Technical Conditions
GB/T 20235-2006 Silver Tin Oxide Electrical Contact Materials Technical Conditions
Inspection Report Notes1. Report No& Ldquo; Special seal for research and testing; Rdquo; Invalid official seal、 invalid report without anti-counterfeiting QR code 2. The copied report was not re stamped; Ldquo; Special seal for research and testing; Rdquo; Or the official seal is invalid 3. The report is invalid without the signature of the main inspector、 reviewer、 or approver 4. The report is invalid if altered 5. If there are any objections to the testing report、 they should be raised within 15 days from the date of receiving the report. If the report is overdue、 it will not be accepted
The above article is a partial list. For more testing needs and details、 please consult the online consultant of the free consulting agency: 18501763637
The third-party testing agency of Baijian provides pesticide testing、 fertilizer detection、 pesticide residue testing、 food testing、 drug testing、 toxic and harmful substance testing reports、 etc. Customers who require relevant testing services can leave an online message or directly contact us at 18501763637
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific、 fair、 and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsinspection and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered、 meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing、 with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle、 low cost、 and attentive service 7. Possess authoritative qualifications such as CMA、 CNAS、 CAL、 etc 8. The testing report is authoritative and effective、 and is generally used in China