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Mindy Ma

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Company News

What is Ion Exchange Mechanism for Antibacterial on Glass?2020-05-21 17:43:14
What is Ion Exchange Mechanism for Antibacterial on Glass?

Despite of normal antimicrobial film or spray, there is a way to keep the antibacterial effect permanent with glass for the lifetime of a device.

Which we called Ion Exchange Mechanism, similar to chemical strengthening: to soak glass into KNO3, under high temperature, K exchanges Na from glass surface and result in strengthening effect. To implant silver ion into glass without changed or disappeared by external forces, environment or time, except glass itself broken.   

It was identified by NASA that silver is the safest sterilizer to destroy more than 650 kinds of bacterial with application in the area of Spacecraft, Medical, Communication Tools and Daily Use Products.

Here is a comparison table for different antibacterial:

Property Ion Exchange MechanismCorning Others
(sputter or spray)
YellowishNone (≤0.35）None (≤0.35）None (≤0.35）
Anti-Abrasion PerformanceExcellent
(≥100，000 times)		Excellent
(≥100，000 times)		Poor
(≤3000 times)
Anti-Bacteria CoverageSilver correspond to a wide range of bacteriaSilver correspond to a wide range of bacteriasilver or thers
Heat Resistance600°C600°C300°C

Saida Glass is a recognized global glass deep processing supplier of high quality, competitive price and punctual delivery time. We offer customizing glass in a wide variety of areas and specializing with different kinds of AR/AG/AF/ITO/FTO/AZO/Antibacterial demand.