Anti-microbial Power

Japan Photocatalyst Center, a leading company of Photocatalyst Technology for clean earth.

Anti-microbial Power

ANTI-MICROBIAL POWER

Test Report of Antimicrobial power
Date:October 29th,2004
Client:Kon Corporation

Kyoto Biseibutsu Kenkyusho,a specified laboratory by Japanese Ministry of Health Labor and Welfare Hygiene 650th,certifies that the test results described below are true.

Laboratory:Kyoto Biseibutsu Kenkyusho
Address:16-2 Kubo-cho,Kamikazan Yamashina-ku,Kyoto 607-8464
Examiner:Ryosuke Matsuura

1.Supplied test product:TiO2 photocatalyst ceramic tiles
2.Test purpose:Evaluation of Antimicrobial power
3.Test method:Film contact method on optical irradiation
An anitimicrobial power was determined by "Film contact method on optical irradiation" of SIAA(Society of Industrial-Technology for Antimicrobial Articles)
4.Bacteria:Escherichia coil NBRC-3972 Staphylococcus IFO-12732

Bacteria numbers on coated tile with TPX-85

Bacteria name	Number of live bacteria
Bacteria name	Initial number	24 hours-1	24 hours-2	Average number
E.coli	3.3×105	<10	<10	<10
St.aureus	3.2×105	<10	<10	<10

Bacteria numbers on non coated tile with TPX-85

Bacteria name	Number of live bacteria
Bacteria name	Initial number	24 hours-1	24 hours-2	Average number
E.coil	3.3×105	<10	<10	<10
St.aureus	3.2×105	<10	<10	<10