Processing techniques applied by small-scale rattan manufacturing companies in Indonesia

Yudodibroto H., . (1985) Processing techniques applied by small-scale rattan manufacturing companies in Indonesia. [Proceedings Paper]

A total of 80 376.8 tons of rattan worth US51 840 38 were exported annually from Indonesia from 1977-1981. Rattan was second to wood as a foreign-currency earner during this period. Most of commodity exported was semi-processed material such as whole canes with or without bark rattan peel or rattan core processed from many species. Several processing methods are currently used by small rattan manufacturing companies including cutting drying removal of node bulges removal of unwanted material on the surface of canes by mechanical means or heated solvent treatment and chemical bleaching. In general two types of processing ca be distinguished based primarily on certain properties of the species treated. Siliceous small-diameter rattans are worked on to remove silica by rubbing the cane with fine sand whereas fatty large-diameter rattans undergo a boiling treatment in an oil mixture to remove cutinous material waxes or gums from the canes. Small-diameter rattans are piled or hung during air-drying; whereas large-diameter rattans were stacked or end-racked. Eleven types of oil mixtures are known to be used by rattan manufacturers in Sumatra Kalimantan and Sulawesi component of which consist of diesel oil coconut oil kerosene water sodium nitrate and sulphur in different proportions. However no clear distinction of the effects of different oil mixtures on the quality of rattan canes has been established. In general such processing prevents biological attack to some extent eliminates cutinous material and gums and speeds up drying of certain rattan species.

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Abstract

A total of 80 376.8 tons of rattan worth US51 840 38 were exported annually from Indonesia from 1977-1981. Rattan was second to wood as a foreign-currency earner during this period. Most of commodity exported was semi-processed material such as whole canes with or without bark rattan peel or rattan core processed from many species. Several processing methods are currently used by small rattan manufacturing companies including cutting drying removal of node bulges removal of unwanted material on the surface of canes by mechanical means or heated solvent treatment and chemical bleaching. In general two types of processing ca be distinguished based primarily on certain properties of the species treated. Siliceous small-diameter rattans are worked on to remove silica by rubbing the cane with fine sand whereas fatty large-diameter rattans undergo a boiling treatment in an oil mixture to remove cutinous material waxes or gums from the canes. Small-diameter rattans are piled or hung during air-drying; whereas large-diameter rattans were stacked or end-racked. Eleven types of oil mixtures are known to be used by rattan manufacturers in Sumatra Kalimantan and Sulawesi component of which consist of diesel oil coconut oil kerosene water sodium nitrate and sulphur in different proportions. However no clear distinction of the effects of different oil mixtures on the quality of rattan canes has been established. In general such processing prevents biological attack to some extent eliminates cutinous material and gums and speeds up drying of certain rattan species.

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Item Type:	Proceedings Paper
Additional Information:	Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor. SB261 R3R237 1984 Call Number
AGROVOC Term:	Canes and rattans
AGROVOC Term:	Calamus spp
AGROVOC Term:	manufacturing
AGROVOC Term:	Processing
AGROVOC Term:	Techniques
AGROVOC Term:	Preservation
AGROVOC Term:	Indonesia
Geographical Term:	MALAYSIA
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 05:14
URI:	http://webagris.upm.edu.my/id/eprint/12262

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