Silver-Ion Antimicrobial Agents
Description

Silver-ion antimicrobial agents represent an advanced class of antimicrobial additives designed to provide long-lasting and broad-spectrum protection. As a professional supplier of polymer additives, our company offers high-performance silver-ion solutions optimized for use across plastics, rubbers, coatings, fibers, nonwovens, and more. Leveraging sub-micron glass and zirconium phosphate as carriers, these products deliver controlled release of silver ions to ensure both safety and efficiency, forming a robust product portfolio adaptable to multiple applications.
Our Products
Our company offers a wide range of silver-ion antimicrobial agents designed for high-performance applications in polymers and related materials.
| Items | PS-AM-A001 | PS-AM-A002 | PS-AM-A003 | PS-AM-A004 | PS-AM-A005 |
|---|
| Carrier | Zirconium phosphate | Zirconium phosphate | Zirconium phosphate | Glass | Glass |
| Active Component | Silver ion | Silver ion | Silver ion | Silver ion | Silver ion |
| Particle Size | D50 =0.6±0.2 μm D98 = 1.0±0.2 μm | D50 = 0.6±0.2 μm D98 = 1.0±0.2 μm | D50 = 0.6±0.2 μm D98 = 1.0±0.2 μm | D50 = 3.5±1 μm D98 = 9±2 μm | D50 = 11±3 μm D98 = 50±5 μm |
| Thermal Resistance | 1300 ℃ | 1300 ℃ | 1300 ℃ | 600 ℃ | 600 ℃ |
| Appearance | White powder | White powder | White powder | White powder | White powder |
| Typical Applications | Fibers, films, coatings, inks, ceramics | Fibers, films, coatings, inks, ceramics | Fibers, films, coatings, inks, ceramics | Plastics, rubbers, coatings, inks, membranes | Plastics, rubbers, coatings, inks, membranes |
Antibacterial Properties
| Test Microorganism | Characteristics | PS-AM-A005 MIC (μg/mL) |
|---|
| Escherichia coli O157 | Food poisoning | 500 |
| Escherichia coli | Food and drinking water contamination | 500 |
| Staphylococcus aureus | Suppuration, septicemia, food poisoning | 500 |
| Salmonella | Typhoid fever, food poisoning | 500 |
| Candida albicans | Pathogenic yeast causing candidiasis | 1000 |
| Aspergillus niger | Household environmental mold | 1000 |
Biological Safety
| Items | PS-AM-A005 | PS-AM-A001 |
|---|
| Acute Oral Toxicity LD₅₀ (ICR Mice) | >5000 mg/kg, Non-toxic | >5000 mg/kg, Non-toxic |
| Repeated Skin Irritation (New Zealand Rabbits) | No irritation | No irritation |
| Acute Eye Irritation (New Zealand Rabbits) | No irritation | No irritation |
Product Features
- Safety and health compliance: Non-toxic, non-irritating, and safe for human use within regulated limits.
- Durable antimicrobial effect: Long-lasting performance, with activity maintained for at least two years.
- Resistance control: Multi-target mechanism prevents the development of microbial resistance.
- Thermal and chemical stability: Exceptional stability ensures effectiveness even under demanding processing conditions.
- Superior processing performance: Excellent dispersion in polymer matrices without compromising mechanical properties.
- Broad-spectrum antimicrobial action: Rapid activity against E. coli, Staphylococcus aureus, Candida albicans, Klebsiella pneumoniae, and Pseudomonas aeruginosa.
Applications
Due to their stability and long-lasting activity, silver-ion antimicrobial agents are ideal for integration into a wide range of polymer-based and non-polymer materials, including:
- Plastics & Rubbers: Enhancing hygiene in consumer products, packaging, and medical devices.
- Coatings & Elastomers: Providing antimicrobial surfaces for building materials and industrial applications.
- Fibers & Nonwovens: Used in textiles, filtration materials, and protective fabrics.
- Ceramics & Composites: Delivering durable antimicrobial protection in high-performance materials.
As a professional supplier of polymer additives, Alfa Chemistry is committed to delivering high-quality silver-ion antimicrobial solutions tailored to meet industry needs. For more information, technical support, or product inquiries, we welcome you to contact us directly.