Antibacterial Glass Powder

Powder glass with high antibacterial properties

ZF-0 and DL-7900 are a new type of antibacterial glass powder, with zinc as their main component. Notably, DL-7900 offers higher antibacterial capacity compared to traditional antibacterial glass that is primarily composed of silver, allowing for a reduced amount of Antibacterial Glass Powder to be added to the resin.

Properties

Glass code ZF-0 DL-7900
Glass type ZnO-B2O3 ZnO-B2O3-Ag2O
Discoloration resistance of resins ◎ ◎
Antibacterial persistence ◎ ◎
Initial antibacterial resistance △ ◎
◎: Excellent, ○: Strong, △: Good

Color Change Test by Immersion in Warm Water

photo of discoloration test

Adding ratio into PP resin: 0.5%
Warm water immersion conditions: 60°C -48h

Antibacterial Activity Values

(JIS Z 2801: 2010)

Glass Code ZF-0 DL-7900
Adding ratio into PP resin (wt%) 0.5 0.3
Escherichia coli 3.4 4.2
Staphylococcus aureus 4.1 2.9
  • The above figures are examples of measurements.
photo of antibacterial activity values

Applications

figure of images of applications
  • Household appliances (refrigerators, air conditioners, vacuum cleaners, etc.)
  • Plumbing supplies (kitchen, bath, toilet supplies, etc.)

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