Nano-Des is the brand name of a polymer masterbatch that contains antibacterial colloid nano silver and nano silver.
 
Features
 
Colloid nano silver Polymer masterbatches
Antibacterial agents
2~15nm Size
Harmlessness
High-dispersion technology
Antibacterial masterbatches
Variety of polymer applications
High-dispersion technology
Effects at lower concentrations
 
Antibacterial Activity and Particle Size
 
 

Antibacterial Experiment

Colloid nano silver

Solvent Silver concentration(ppm)
Bacterial Decrease Rate(%)

Staphylococci

E. Coli

Test Methods Remark
Water 100~100,000 99.9 99.9 KS M 0146-2003 Particle size 2~15nm
Butanol
100~100,000 99.9 99.9
Poolyethylene glycol 100~100,000 99.9 99.9
 

Polymer masterbatches

resin Silver concentration(ppm)
Bacterial Decrease Rate(%)

Staphylococci

E. Coli

Addition Ratio Test Methods
PP 1,000~2,000 99.9 99.9 5~10 (%) JIS Z
2801-2000
PE 1,000~2,000 99.9 99.9
ABS 1,000~2,000 99.9 99.8
PET 1,000~2,000 98.7 98.6
PA6 500~1,000 99.9 99.9
PVC 1,500~3,000 99.9 99.9

Types of solvent, resin, and silver concentration can be adjusted according to customer needs.

 
Toxicity Test