Test object:
Materials and chemicals for cementing
Test items:
Fineness/screen residue, gypsum attached to water, crystal water, moisture/baking loss/solid content, the expansion rate of expansive cement, gypsum β-calcium sulfate hemihydrate, silicon dioxide content, ignition loss/ignition residue, cement slurry stability
Test standards:
1. GB/T176-2017GB/T6901-2017 Chemical analysis method for cement Chemical analysis method for siliceous refractory materials
2. GB/T9776-2008 Building gypsum
3. J C/T313-2009 (2017) Test method for the expansion rate of expansive cement
4. GB/T19139-2012 Test method for oil well cement
5. GB/T6284-2006 General method for determination of moisture in chemical products - loss on drying method
6. GB/T8077-2012 Test method for homogeneity of concrete admixtures
7. GB/T6900-2016 Chemical analysis method for aluminum-silicon refractory materials
8. GB/T5484-2012 Chemical analysis method for gypsum
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 problems
100% inspection 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 required
Testing and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby
3. 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