Communication, Issue 37 |
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45 per cent added addition adhesive at PH ADHESIVES by TH aging aldehyde alkali apiculata adhesive appears AQUEOUS ADHESIVE aqueous alcoholic AQUEOUS ALCOHOLIC ADHESIVE aqueous bark extracts BALAI PENJELIDIKAN KEHUTANAN basis Bogor bonds BRANDTS Bruguiera calculated caryophylloides catalyst cent of tannin cent paraformaldehyde cent solids cent water cent woodflour Communications concentration condition dalam DALTON determined effect Figure filler five per cent Forest Research Institute Formula four hours four per cent gelation give satisfactory HCOH Heated HOT-PRESS PLYWOOD ADHESIVES Indonesia Influence initial viscosity jang Korte Mededelingen longer mangrove barks MANGROVE TANNIN-FORMALDEHYDE RESINS materials means mixture NaOH needed obtained panels PH value phenolic poises precipitation prepared pressed at 140°C publicaties publications Publikasi puspa reach Reports RESINS AS HOT-PRESS satisfactory wet strength seri short shown sodium hydroxide Special specimens spread stylosa Table taken tannin solution viscosity water resistance wet shear strength wet strength wood woodflour