Gluing techniques and strength evaluation of corrugated bamboo sheets (CBS) for roofing
2002
Carandang, J.P., Forest Products Research and Development Inst., College, Laguna (Philippines). Solid Products Development Section | Fidel, M.M., Forest Products Research and Development Inst., College, Laguna (Philippines). Chemistry and Chemical Products Development Section
Culms of kauayan tinik (Bambusa blumeana Schultes f.) were processed into woven flat sheets ('sawali') measuring 1 mm x 400 mm x 40 mm. These were formed into 2-ply and 3-ply corrugated bamboo sheets (CBS) using commercial phenol formaldehyde (PF) at varied gluing techniques. Internal bond (IB) and bending strength of the CBS samples were tested. Results showed that 3-ply CBS glued by dipping in PF at 43 percent resin content passed the minimum 1B values ( 3 kg/sq cm) required by the Indian Standard for bamboo mat board.
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