The paper reports a way to study the common extracting technology of food natural pigment, and its physical and chemical property, such as, light, hot, acid, alk, antiseptic, oxidizer and reducer.
The epoxy zinc rich primer prepared by the invention has good antisepticproperty, and zinc oxide mist generated during welding and cutting is less.
本发明制得的环氧富锌底漆不仅防腐性能好,而且在焊接与切割时所产生的氧化锌雾气也较少。
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Contact part of this equipment and materials is of stainless steel SUS304, which is durable and with good antisepticproperty. It can meet medicine sanitation requirements.