Warner Quartz Stone has undergone professional antibacterial performance testing by the Guangdong Testing Institute of Microbiology. The test evaluated the antibacterial efficacy of our quartz surfaces against Escherichia coli and Staphylococcus aureus.
Test Method
The test was conducted following GB/T 21866-2008 standards using the plate counting method. Samples were inoculated with bacterial cultures and evaluated for reduction rates after 24 hours of incubation.
Results
Test results indicated a bacterial inhibition rate of ≥99.99% for both E. coli and S. aureus, demonstrating excellent antibacterial properties and ensuring hygienic performance suitable for kitchen and bathroom applications.
Certified By
This analysis was carried out by the Guangdong Testing Institute of Microbiology, an accredited laboratory (CNAS-certified) ensuring reliable and authoritative results.
Download the Official Test Report
For complete details and certification proof, you can download or view the original test report here:
View Full Antibacterial Test Report (JPEG)
Notice
This test report is valid only for the specific samples submitted and does not apply to other batches. For more details, please contact our support team.



