Yadina melamine thovu pulasitiki, yomwe imadziwikanso kuti melamine thovu kapena melamine siponji, ndi porous kwambiri, mwachibadwa choziziritsa moto-retardant thovu zinthu zofewa amene amapangidwa ndi thovu melamine utomoni pansi pa zochitika zinazake.Ikawonekera pamoto wotseguka, pamwamba pa chithovucho chimayamba kuyaka, nthawi yomweyo kuwola ndikupanga mpweya wochuluka wa inert womwe umasokoneza mpweya wozungulira.Nthawi yomweyo, chiwombankhanga chowundana chimapangika mwachangu pamwamba, ndikupatula mpweya wabwino ndikupangitsa kuti lawilo lizime lokha.Zinthuzi sizitulutsa madontho kapena utsi wapoizoni, motero zimachotsa zoopsa zachitetezo chamoto polima thovu.Choncho, ngakhale popanda kuwonjezera lawi retardants, lawi retardancy wa thovu ichi akhoza kukumana B1 mlingo otsika flammability zinthu muyezo (German muyezo) wotchulidwa ndi DIN4102 ndi V0 mlingo mkulu lawi retardancy zinthu muyezo (American Insurance Association muyezo) wotchulidwa UL94 .