Safety and security test results
- ① Mutagenicity test: Negative
- ② Skin irritancy test: Negative
- ③ Skin sensitization test: Negative
- ④ Skin patch test: Negative
All negative. Can be used with confidence as the product is safe.
Test inspection report
This is to certify that the test results of the test specimen requested to be tested on August 5, 2016 is as given below.
Kyoto Institute of Microbiology
Review manager: Sano Junko
1 . Test specimen name: |
Copper alloy film Silver and Gold
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2 . Test purpose: |
Sterilization activity evaluation test
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3 . Test method: |
JIS L 1902
0.4 g of the test specimen is sterilized in an autoclave in accordance to “JIS L1902:2002 Bacterial liquid absorption method”. Next, 0.2 ml of the bacteria solution is inoculated into the test specimen after preparation with 1/20 nutrient medium such that 105 CFU/ml is obtained, and the number of bacteria is measured. Standard fabric is used as the control.
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4 . Strain used: |
Staphylococcus aureus NBRC-12732
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5 . Culture medium used: |
Nutrient Broth (DIFCO)
Nutrient Agar (DIFCO)
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6 . Test results
Antibacterial lame yarn used
Bacteria name |
Change in the number of bacteria over time
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Initial
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18hrs-1
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18hrs-2
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18hrs-3
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Average
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St.aureus |
1.3×10
5
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<100
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<100
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<100
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<100
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Antibacterial lame yarn not used
Bacteria name |
Change in the number of bacteria over time
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Initial
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18hrs-1
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18hrs-2
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18hrs-3
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Average
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St.aureus |
1.3×10
5
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2.4×10
7
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2.6×10
7
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1.7×10
7
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2.2×10
7
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※ <100 : Did not detect Unit: CFU/mL
static electricity elimination test certificate
Item name: |
A alloy antibacterial lame 1/4 course use B alloy antibacterial lame 1/2 course use
C pure silver lame 1/4 course use D sterling silver lame 1/2 course use 4 points
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Test item: |
half life other
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The test results of samples submitted to our office on january 29, 2013 will be proved as follows. |
February 5, heisei 20 |
Kaken Test Center General
Kyoto Laboratory
(Japan science fiber inspection association)
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1 . Test results
Test item |
Trial Conclusion Fruit
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Test method
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① a
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② b
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③ c
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④ d
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Half life (sec) |
3.7
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4.6
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8.5
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10
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jis l 1094-2008
Half- temperature and humidity of the test room: 20 °c, 40% rh
Laundry treatment: untreated
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Friction zone voltage
(v)
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Cotton
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Height
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1100
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720
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820
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540
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Jis l 1094-2008
Friction band voltage measurement method
Friction cloth: cotton and wool
Temperature and humidity of the test room: 20 °c, 40% rh
Laundry treatment: untreated
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Width
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830
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600
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560
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370
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Wool
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Heigh
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960
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480
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630
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490
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Width
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930
|
600
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600
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500
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