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Bagasse for the Manufacture of Paper and Board

Nature volume 150, page 88 (18 July 1942) | Download Citation



THE many attempts to utilize bagasse for the manufacture of paper have met with varying degrees of success, partly for economic reasons and partly because the nature of bagasse often renders it suitable only for relatively low-grade products. M. P. Bhargava and A. N. Nayer, of the Dehra Dun Forest Research Institute, have, however, recently approached the problem from the other extreme, namely, that of the manufacture of boards, and in particular of insulation and pressed boards, a large potential demand for which exists in India (Imp. Council of Agric. Res., Misc. Bull., No. 44 ; 1941). The various processes available for the purpose were studied, but defibration in an Asplund-type machine was favoured on the grounds of the low installation and operating costs and of the quality of the product. The cost of afterwards rendering the boards resistant to moisture, fire and insects appears, however, to be disproportionately high. The samples accompanying the bulletin and the test data published init suggest that, technically, the process is a promising one. The sample of bagasse wrapping-paper also sent is, however, less impressive ; no test data are given, but obviously the fibre length is short, which means low tearing and folding strengths.

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