SR-AC-101 Antibacterial and Antifungal Agent for Plastics and Ceramics

[ Summary ]
SR-AC-101 is an antibacterial and antifungal agent effective against fungi, bacteria, algae, and yeasts.
It has a broad range of applications and can be incorporated into plastic resins and ceramics.

[ Overview ]
SR-AC-101 is a composite formulation based on established organic compounds. Like other organic antibacterial and antifungal agents, it works by disrupting bacterial and fungal cell walls and inhibiting the synthesis of proteins, DNA, sulfhydryl (SH) groups, and other cellular components.
Bacteria whose biosynthesis has been inhibited signal danger to other bacteria of the same species, deterring them from approaching (a repellent effect), and then die because they cannot obtain the nutrients required for growth.

Conventional antibacterial agents kill bacteria by damaging their cell walls and nuclei, but do not transmit a danger signal to other bacteria of the same species. As a result, bacteria can repeatedly recolonize the same location.

[ Features ]
Excellent efficacy and persistence
Environmentally friendly
High safety

[ Physical and Chemical Properties ]

Appearance= Powder
Color= White
Odor= Odorless
Specific Gravity= 0.56
Average Particle Size= 1.0 μm (median)
Melting Point= 600°C
Heat-Resistance Temperature= 1200°C


[ Hazard Information ] Effects on Human Health

Acute Oral Toxicity: LD50 > 2,000 mg/kg (mouse), Japan Food Research Laboratories
Acute Oral Toxicity: LD50 > 2,000 mg/kg (rat)
Acute Dermal Irritation: P.I.I. = 0, non-irritating (rabbit)
Skin Sensitization: Non-irritating (guinea pig)
Mutagenicity: Non-mutagenic (Ames test)
SafePharm Laboratories (SPL), United Kingdom (GLP/OECD compliant)


[ Antifungal Test Data ]

The test was conducted under the following conditions:
Test method: ASTM
Testing laboratory: Japan Textile Inspection Association
Test specimen: 1% SR-AC-101

Test Specimen

Mold Incubation Time

Rating [0–5]

7 Days

14 Days

21 Days

28 Days

SR-AC-101
1%

–

–

–

–

0

–

–

–

–

0

–

–

–

–

0

Control

±

±

±

±

1

±

±

±

±

1

±

±

±

±

1


[ Antibacterial Test Data ]

The test was conducted under the following conditions:
Test method: JIS Z 2801
Testing laboratory: Japan Chemical Fibers Inspection Association
Test specimen: 1% SR-AC-101

Staphylococcus aureus

Inoculum Count

Untreated Test Piece
Viable Count After Inoculation (CFU)

Untreated Test Piece
Viable Count After 24 Hours (CFU)

Antibacterial-Treated Test Piece
Viable Count After 24 Hours (CFU)

Antibacterial Activity Value

Water-Resistance Category “0” 0.4 ml

3.2 × 10⁵

1.8 × 10⁵

<10

>4.2

Light-Resistance Category “1” 0.4 ml

2.7 × 10⁵

1.8 × 10⁵

<10

>4.2

 

Escherichia coli

Inoculum Count

Untreated Test Piece
Viable Count After Inoculation (CFU)

Untreated Test Piece
Viable Count After 24 Hours (CFU)

Antibacterial-Treated Test Piece
Viable Count After 24 Hours (CFU)

Antibacterial Activity Value

Water-Resistance Category “0”

0.4 ml

2.5 × 10⁵

4.6 × 10⁵

<10

>4.6

Light-Resistance Category “1”

0.4 ml

2.6 × 10⁵

5.1 × 10⁵

3.4 × 10⁵

>4.1

These results far exceed the SIAA performance criterion for antibacterial-treated products—an antibacterial activity value of at least 2.0—demonstrating high antibacterial activity.

[ Minimum Inhibitory Concentration Test (MIC) ]
The test was conducted under the following conditions:
Testing laboratory: Japan Chemical Fibers Inspection Association
Test specimen: SR-AC-101

Test Organism

MIC (ppm)

Staphylococcus aureus

5.5

Escherichia coli

22

These results far exceed the SIAA performance criterion for antibacterial-treated products—an MIC of no more than 800 ppm—demonstrating high antibacterial activity.

[ Directions for Use ]
[ Addition ] Add this PBM product to the raw material and mix until the powder is uniformly dispersed.

[ Applicable Materials and Dosage ]
Incorporate during processing
Polycarbonate (compounded): 0.45–0.7%
Ceramics (compounded): 0.7–1%

[ Storage ]
Do not store in direct sunlight, high humidity, or areas where the storage surface is wet. Keep sealed in a cool place.

[ Disposal Precautions ]
Do not discharge wastewater from cleaning containers or equipment into drains.
Dispose of waste generated by wastewater treatment, incineration, and similar operations in accordance with applicable waste-disposal and sanitation regulations, or engage a licensed waste contractor.

[ Handling Precautions ]
Wear suitable protective equipment to prevent inhalation and contact with the eyes or skin, and work upwind whenever possible.
Use only in an area equipped with exhaust ventilation.

[ First Aid ]
Eye contact: Rinse immediately with plenty of running water. If pain persists, seek treatment from an ophthalmologist.
Skin contact: Wipe off the material with a cloth, then wash thoroughly with soap and water.
If swallowed: Keep the affected person at rest and seek medical attention immediately.

[ Environmental Information ]
This PBM product contains none of the substances listed below:
Testing laboratory: SGS Far East Ltd

Cadmium
Lead
Mercury
Hexavalent chromium
Polybrominated biphenyls (PBBs)
Polybrominated diphenyl ethers (PBDEs)
Organotin compounds
Asbestos
Ozone-depleting substances
Polyvinyl chloride (PVC)
Polychlorinated naphthalenes
Chlorinated paraffins
Azo compounds
Antimony
Arsenic
Beryllium
Bismuth
Tetrabromobisphenol A
Nickel
Phthalates
Selenium