FIRE-RESISTING PAPER.
Paper is one of the easiest substances to ignite, and therefore it may be interesting and useful to readers to know how they niay treat paper so that ignition will not readily take place. Take some ordinary washing soda (sodium carbonate crystals) and make a strong solution, allowing the water to dissolve as much of the soda as possible. . Boiling water is best suited for the purpose. Dip tne paper into this solution, and allow it to dry. After this, the paper is ready for use, and there is an interesting experiment that may be made to test its lire-resisting property.
Take a strip of paper and mark it, as shown in Fig. 1. Dip the lower position of the slip marked with an X into the soda solution, as far as the line A, A, as shown in Fig. 2. After the paper has been allowed to dry, apply a lighted match to the undipped portion of the paper, holding the slip by means of the portion marked wtih an X. As soon as the flame reaches the line A, A, of Fig 3, it will extinguish itself. It will be found that even tissue paper may be used successfully for this experiment.
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Bibliographic details
Auckland Star, Volume LXII, Issue 96, 24 April 1931, Page 15 (Supplement)
Word Count
206FIRE-RESISTING PAPER. Auckland Star, Volume LXII, Issue 96, 24 April 1931, Page 15 (Supplement)
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