THE SILK in Tango Kyoto Japan

To Our Partners: 2.1Mv Antibacterial Activity Value (After 10 Washes) (At least 99% reduction rate for Type A Influenza) 

Our antibacterial processing is confirmed to combat Type A Influenza viruses (H3N2).
We can process any kind of cotton and give it antiviral and antibacterial deodorant effects.
Once processed, it will demonstrate excellent durability and performance. You can also freely use it for all sorts of purposes. Please contact us for details regarding our antibacterial processing (such as display method after processing).


① Effective when used on cotton materials ② Reinforces fabric with antiviral and antibacterial deodorant properties


Antibacterial Testing

ClothProcessed Cloth (Washed 10x)
Testing institutionKaken Test Center
MethodJIS L 1922 – Determination of Antiviral Activity of Textile Products
  • Virus - Type A Influenza Virus (H3N2)
    A/Hong Kong/8/68; TC adapted ATCC
  • Host Cell: MDCK cell (Madin-Darby Canine Kidney)
  • Washing Liquid: SCDLP medium
  • Exposure Conditions: 25℃, 2 hours
  • Infectivity Titer Measurement Method: Viral plaque assay
  • Washing method, Japan Textile Evaluation Technology Council SEC Mark Textile Product washing method : Standard washing method, hanging and drying

Type A Influenza Virus (H3N2)

Material: 100% Cotton

“At least 99% reduction rate for Type A Influenza”

SampleVirus Infectious Titer (PFU/Vial)
Common Logarithmic Mean Value (*1)
Antiviral Activity Value [Mv]
100% Cotton
After 10 washes
After 2 hours operation [lg(Vc)]
Antibacterial Effect
(according to the
JIS L 1922 attachments)
Effective (over 2.0 efficacy)
(*1)PFU:plaque forming units
*SN = an abbreviation for Safety Next based on the idea of passing safety to the next generation, era, and so on.


Processing TechnologySN Antibacterial Processing
Supported Material100% Cotton
ApplicationCan be freely used for all sorts of purposes, from small items to Japanese/Western clothing.
Supported Width〜160cm
Minimum LotWe also handle small lots, so please feel free to inquire.
Estimated DeliveryPlease inquire.
Processing FeePlease inquire.


Please feel free to contact us.


Operating Body: Tango Textile Industrial Association
Phone: +81772-64-2493 | Fax: +81772-64-4994

3188 Koube, Omiya-cho, Kyotango-shi, Kyoto 629-2502
In-charge: Masaki Yamashita