Photocatalyst fluidAB-1(Anti-bacterial, Antiviral type)
26. Oct .2021

1. Description
AB-1 can be show high anti-bacterial and antiviral effect by photocatalyst andantimicrobial at indoor➢ High transparency coated film
➢ Water based fluid
Character➢ Dry out times is fast
➢ Used several inorganic material surface➢ Used safety material for human bodyAppearance

Buff white-yellow

Fluid type

Water based fluid (not DG)

Main component

TiO2 and antimicrobial

Dry temperature

At normal temperature

Dry out time

Over 24 hours (Atmosphere 20degC)Application method

Spray gun or brash, roller

Spread quantities

15 - 25 g / 1 sq m

Appearance of dry out

Transparency

Durability

2 – 3 years
Bacillus coli:
Staphylococcus aureus

Antibacterial and antiviral Pseudomonas aeruginosa
effectEnterococcus faecalis
SARS-CoV-2
And other1/3KISTEC02… 183C01

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1ssuc date l〔 cP、 10+わ′2020

MESSRS:MARUSYO SANGYO CO。 ,LTD。
(Address:171,Taima,sano,Tochigi,327‑0031,JAPAN)

Determination of antiviral activitlz using bacteriophage

Kanagawa Institute of Industrial Science and Technology(KISTEC)
3 -2- 1 Sakado,Takatsu-ku, Kawasaki, Kanag awa, 213 -00 1 2, JAPANPresident Kunio Suzuki

Testing laboratory : KISTEC, Tonomachi Branch,Research and Development Department(3 -25-13 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-0821, JAPAN)

Authorizer signature
Researcher

No part of this report may be reporoduced without the approval by Kanagawa lnstitute of Industrial
Science and Technology(KISTEC).
For using the name of KISTEC in your advertisement, catalogue and web site based on this report,
please consult to each case in advance.

2t3
KISTECO2-183C011. Test conditionsa) Reference to this test method :ISO 18071 :2016 and ISO 27 447:2019 (glass adhesion method)b) Characterization of the treated and non-treated specimens :' Tlpe : Wall cloth. Size : 50 mm x 50 mm (Square)' Treated specimen name : AB-1

'Non-treated specimen name : Non-treated clothc) n:1d) Disinfection of specimen : No disinfectione) Type of test strains number :' Bacteriophage strain: Bacteriophage QP NBRC20012)' Hostbacteria strain: Escherichia coli (NBRC106373)' Bacteriophage strain: Bacteriophage $6 (NBRC105899)' Host bacteria strain: Pseudomonas syringae (NBRC14084)
f) Reaction conditions:' Temperature:

room temp.

'Reaction time: 4 hg) Type and size of cover glass : TEMPAX glass, 60 mm x 60 mmh) Test date:July I",2O2O

2. Result
Bacteriophage

Virus Titer(pfu/Sample)*1

ABOh

Non-treatedcloth

1.7E+06

AB‑1

Room lemp.

V: Antiviral
activity.3

4h
1.lE+06<2.0E+03-2

2.7

Titer of bacteriophage in test suspension :5.6x106 pfu/ml
Quantity of inoculated test suspension : 0.3 mVspecimen*1 "E+06" represents rrr.196rr.
*2 Detection limit was 2.0E+03 pfu/sample, because bacteriophage QB
revoverd solution from sample inhibited the growth of host bacteria.

*3 Reference value due to modified ISO test method

Antiviral acjivity: [V:log(B)-log(C)]B: number of virus titer of non-treated specimen,
C: number of virus titer of treated specimen

Remark: This report is the translated version based on KISTEC02-183C01 in English.

Functionality test : Antiviral test
JIS L 1922：Plaque assay
This is the most common method among the antiviral tests for textile products, also
applied to the testing method for SEK mark of Japan Textile Evaluation TechnologyCouncil.
Similar Abroad Standard：ISO 18184【Overview】
Inoculate virus solution on a test sample with antiviral finishes and a control sample (cottonstandard cloth) to be compared, then make contact between the fabric and virus for acertain time. After contact, the number of viruses on the sample are determined by plaqueassay. Calculate the antiviral activity value by comparing the number of viruses between
the test sample and the control sample.

【Evaluation / Reference value】
Evaluate according to antiviral activity value【Mv】.
Formula for activity valueStandard

Antiviral activity value [Mv]
LogVb – LogVc(LogVa – LogVc)*1

JIS*2
SEK3.0＞[Mv]≧2.0

Description of theeffect
Good effect[Mv]≧3.0

Excellent effect[Mv]≧3.0―

Reference value*1：Formulas that can be used when certain conditions are met.
Reception for*2：Reference standard

Antiviral testJapan

Infectivity
titre

Biochemical Group.

(Biochemical Lab.)

Naturalreduction value

ControlfabricFinished fabric

Antiviralactivity value

Tel: +81-3-5875-7271

Contact time
Immediately
after inoculation

After 2 hours

The formula of “log(Va)-log (Vc)” can beused asantiviral activity value
when certain
conditions are met.

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