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Give cardboard incombustibility

soufa was applied to the cardboard with a brush. It is applied to the cardboard used for shipping with amazon to assume a general cardboard. This is an image of a fired lighter after drying.


Normally, cardboard ignites easily, but soufa-treated cardboard did not. The processed cardboard could be cut with scissors or written, and there was no significant change in the texture.
It is thought that the flame retardancy can be further increased by adjusting the amount of application.

Wouldn’t it be possible to improve safety in the event of a fire, etc. by applying to cardboard that stores important documents, etc.? In addition, it can contribute to making the event display panels non-flammable and non-flammable.


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