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Service > Shaitu it hazardous to your health?

Shaitu it hazardous to your health?

Published: 2013-07-01 Source: Rui Boli Business Previous: Shaitu have ammonia and ammonia-free ingredients Next: Brief Shaitu Shaitu is a small encyclopedia of life on the graphic tracing paper means the pattern is transferred by exposure onto the photosensitive material, i.e. the blueprint paper, and then washed out by the developing device blueprint. It works similar to camera film exposure, is to figure after irradiation exposure light source in the film, the film is called "Films." Then rinse the developer. If you need to print, then it will be used as the base sheet Films by source irradiation were exposed PS version, PS version is coated with a thin aluminum plate on top of the photosensitive material. Shaitu with the Blu-ray is a visible, accurate to say that it should be between blue and violet blue between the UV wavelength 420nm, this light harm the human body is very small, do not do what protection, because it is nothing compared to the intensity of sunlight intensity, prolonged exposure had no effect on the human body, UVA (400 ~ 350nm) harmful to human skin melanoma precipitation, but also to achieve sufficient strength to work. Just stared for a long time the human eye can produce discomfort, if you want protection, you can bring sunglasses. Blueprint paper itself is not harmful to people, blueprint paper that is coated on a plain white plus syrup, to fit with the blueprint. They do not put it right into his mouth. But using ammonia Shaitu finished blueprint paper chart after drying, the ammonia evaporates with pungent flavor, but there is not much harm to the human body. Children and pregnant women is best to avoid inhalation. Previous: Shaitu have ammonia and ammonia-free ingredients Next: Brief News Encyclopedia Shaitu life bed knife tool change operation to stop Cutter Cutter safe operation of major importance Cutter components and major mechanical function cutter cutter knife even cause analysis on how to select cutter office printing department uses

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