PENGARUH MELAMIN DALAM PEREKAT UREA FORMALOEH IDA TERHADAP BEBERAPA SIFAT KAYU LAPIS MERANTI The (lffect of melamine composition in urea formaldehyde resin glue on the properties of merenti plywood

The "fiy1iialal'ld :chemical properties of urea formaldehyde resin were tested based on the Indonesian Standard. which cO'nlittfl)t appearatlceipropertie1, pH, tree fOrmaldehyde, solid content and pot'~llfe. TM re.ult 1hou>s that most of the prripertiu co11form,fbith. the nanclard : . . 'n.w:addinon. 1 scent '.melamine qnd ao ~rcent extender 1'r:Oduces plywood with formAlile1&yde emwion meetini the J 981. American 1tanclqrd. The effect of melamine addition toat not signi(tt:ant.The effect of extender on the other htind 1uu•iiwhJ1. 1igni'(ieant'effect on the ilecr:ea_1e of formaldehyde emiaion tn plywood. Allplytt;ooli bonittir; 1tren,.th meet the Indonesian, Japaneseand German standard. The effect of melamine addition of lO dd 16 enton thplywood bonding atrength' was not significant