Non-combustible cardboard - SOUFA INC.Boric acid flameretardant& Termiticide https://za.soufa.ltd Non-toxic and harmless to humans. Highly effective boric acid-based flame retardant for cellulose. It is also highly effective in termite preservation of wood. Wed, 08 Apr 2020 02:36:45 +0000 ja hourly 1 https://wordpress.org/?v=6.6.2 https://za.soufa.ltd/wp-content/uploads/2020/04/cropped-logo-32x32.png Non-combustible cardboard - SOUFA INC.Boric acid flameretardant& Termiticide https://za.soufa.ltd 32 32 Non-combustible cardboard [adhesive] https://za.soufa.ltd/non-combustible-cardboard-adhesive/ https://za.soufa.ltd/non-combustible-cardboard-adhesive/#respond Wed, 08 Apr 2020 02:32:42 +0000 https://za.soufa.ltd/?p=290 Starch was added to a 23% aqueous soufa solution to prepare a coating type flame retardant. It is applied to t […]

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]]> Starch was added to a 23% aqueous soufa solution to prepare a coating type flame retardant. It is applied to the following cardboard and the degree of combustion is considered.

Application method

The photograph after coating and drying is shown.

A 45 ° C combustion test was performed.
The test machine is as follows.

Test results


The flame did not penetrate and was able to withstand the 5-minute burn test. It is believed that the foam and carbonized layers of soufa prevented the combustion.

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