The product is a novel biocide containing the active ingredient N-butyl-1,2-
benzisothiazolin-3-one (BBIT). DENSIL™ DN Antimicrobial has a broad
spectrum of activity against fungi, algae, yeast and bacteria. DENSIL™ DN
Antimicrobial can be used in many different application areas to offer dry
film and wet state preservation.
Applications
DENSIL™ DN is effective in many different applications areas including:
– Acrylic Emulsions
– Polyurethane Adhesives
– Calcium Carbonate Slurries
– Emulsion Paints
– Ink jets
– Metal Working Fluid Emulsions and Concentrates
– Pigments
– Plasterboards
– Polymer Emulsions
– Sealants
– Silicone Emulsions
– Starches
– Tile Grouts
– Thickeners
S
N
O2
Microbial Control
DENSIL™ DN Antimicrobial
Technical Information Notes for Materials Protection
Antimicrobial Properties
The efficacy of the product was evaluated by the calculation of
Minimum Inhibitory Concentrations (MICs) [Table 1]. Minimum Inhibitory
Concentrations (MICs) do not represent effective use levels but do indicate
the intrinsic broad spectrum of antimicrobials.
Table1. Minimum Inhibitory Concentrations (MIC)
Micro-organism ppm Product
Fungi
Alternaria alternata 25
Aureobasidium pullulans 4
Aspergillus niger 16
Chaetomium globosum 1.6
Cladosporium cladosporoides 19
Cladosporium herbarum 2.3
Gliocladium virens 62
Paecilomyces variotti 4
Penicillium funiculosum 3
Phoma violacae 2
Scopulariopsis brevicaulis 37
Trichoderma viride 50
Algae
Chlorella vulgaris 16
Nostoc muscorum 16
16Oscillatoria tenuis 16
Pleurococcus sp. 16
Trentepohlia aurea 16
Yeast
Candida albicans 19
Rhodoturula mucilaginosa 4
Saccharomyces cerevisiae 0.4
Bacteria
Acinetobacter baumanii 14
Alcaligenes faecalis 20
Bacillus subtilis 4
Corynebacterium sp. 1.4
Escherichia coli 87.5
Flavobacterium capsulatum 11
Klebsiella pneumoniae 137
Lactobacillus brevis 2.1
Proteus mirabilis 137
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