464 is widely used for anti-bacteria and anti-mildew of interior and exterior wall emulsion paint, without organic solvent, suitable for the production of environmentally friendly emulsion paint. 464 anti-mildew agent can provide long-lasting protection to the product, not easy to lose, so that the product will not be eroded by mold, fungus and algae. The effect of outdoor exposure to rain for up to 2 years is still outstanding.
5-Dichloro-2-n-octyl-4-isothiazolin-3-one has a broad antibacterial spectrum. Its MIC is shown in Table 10-11.
Low toxicity, such as Rozone 2000 female rats acute oral LDso=2600mg/kg, ptfe and paraffin wax male rats acute oral LD50=4400mg/kg.
DCO IT can be used not only for dry film anti-mildew, but also for in-tank anti-corrosion. The MIC of the tested microorganisms is below 20mg/kg. It is a broad-
spectrum, high-efficiency anti-corrosion, anti-mildew and anti-algae agent.
DCO IT dialysis is more serious, and it is more irritating to the skin. It is a chlorine-containing product. 5. Examples of products
The product is R ozone 2000, which contains 20% DCO IT. The recommended dosage is 0.12%~0.5% of the total formula.
Zinc pyrithione anti-mildew and anti-algae agent, English name zine pyr it hi one, is a chelate of zinc, abbreviated as ZPT,
Zinc pyrithione has low toxicity. It is not only used as an anti-mold and anti-algae agent in the coating industry, but also in shampoos and cosmetics around the
world. It can remove dandruff in shampoos.
Zinc pyrithione can be used not only for dry film anti-mildew, but also for dry film anti-algae. The solubility in water is low, about 8mg/kg, and the solubility in propylene glycol is 200mg/kg. Good thermal stability, at least 120h at 100℃. It can be used between pH 4.5 and 9.5. It is a broad-spectrum, high-efficiency, low-toxicity, anti-mildew and anti-algae agent.
Zinc pyrithione will gradually degrade under ultraviolet light. The storage temperature should be above 10℃. When it is lower than 1.5℃, zinc pyrithione will precipitate and agglomerate.
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