Adopting high-purity raw materials and refining process, the colorant has heavy metal and microbial content far lower than industry standards. It is treated by high-temperature sterilization, with excellent chemical stability, and will not discolor or precipitate in acid-base environments. It can be directly used for coloring food contact products, passes FDA and EU authoritative certifications, and is safe and reliable.
Detailed technical parameters include: iron oxide content ≥99.5%, particle size 1-3μm, pH value 6.5-7.5, moisture content ≤0.3%, lead, cadmium and arsenic content ≤1ppm, total microbial colony count ≤10 CFU/g, insoluble in water and ethanol, no discoloration at 250℃. The net weight per drum is 5kg, sealed with food-grade polyethylene plastic drum, meeting food transportation safety standards.
It is mainly used in pharmaceutical sugar coating coloring, health care product capsule shell coloring, food packaging printing ink, children's tableware surface coloring and other scenarios. It can be used as a safe and compliant black colorant, meeting the strict safety requirements of the pharmaceutical and food industry.
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