BAIJIAN - Third party testing organization
Measurement of free expansion rate of testing items、 etc. Applicable scope: soil、 rock、 grouting agent、 cement slurry、 fine aggregate、 coal、 solid fuel、 etc. Relevant testing standards ASTM D720/D720M-2015e1: Test method for free expansion index of coal BS ISO 4698-2007: Iron ore particles. Determination of free expansion index DIN 51741-1998: Testing of solid fuels. Determination of free expansion number of hard coal DZ/T 0276.10-2015: Test procedures for physical and mechanical properties of rocks Part 10: Rock swelling test GB/T 13240-2018: Determination of free expansion index of iron pellets for blast furnace use GOST 20330-1991: Free expansion index of bituminous coal Method for determining the coefficient of expansion ISO 4698-2007: Determination of the free expansion index of iron ore pellets for blast furnace feeding SL 237-024-1999: Free expansion rate test (with explanatory text) SN/T 1797.11-2008: Technical specifications for safety and health inspection of iron ore - Part 11: Quality evaluation - Purpose of handling test reports for the free expansion coefficient of pellets: 1. Evaluation of product quality; 2. Determine the product quality level、 i.e. the severity of defects; 3. Inspect the process flow and supervise the process quality; 4. Collect、 statistics、 and analyze quality data to lay the foundation for quality improvement and management activities; 5. Introduce arbitration inspection to determine the responsibility for quality accidents. Precautions for testing reports: 1. If there is no "research and testing special seal" or official seal in the report、 the report is invalid without anti-counterfeiting QR code; 2. The copied report is invalid without the "Research and Testing Special Seal" or the official seal; 3. The report is invalid without the signature of the main inspector、 reviewer、 and approver; 4. The altered report is invalid; 5. If there are any objections to the testing report、 they should be raised within 15 days after receiving the report、 and will not be accepted after the deadline; The above article is a partial list. For more testing needs and details、 please consult the online consultant of the free consulting agency: 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