ʻO ka maleic acid resin he māmā melemele ʻeleʻele flake paʻa, i hana ʻia ma ka hoʻohui ʻana i ka rosin i hoʻomaʻemaʻe ʻia e like me ka mea maka a me ka maleic anhydride, a laila esterifying me ka pentaerythritol. Hiki ke hoʻoheheʻe ʻia i loko o nā mea hoʻoheheʻe lanahu, esters, ʻaila meaʻai, turpentine, akā ʻaʻole hiki ke hoʻoheheʻe ʻia i loko o nā waiʻona. ʻO ka resin he māmā i ka waihoʻoluʻu, he ikaika ke kūpaʻa māmā, ʻaʻole maʻalahi i ka melemele, a ʻoi aku ka maikaʻi me ka nitrocellulose. He ikaika ikaika ka kiʻi pena i loaʻa a maʻalahi ma hope o ka maloʻo ʻana, hiki ke hoʻomaikaʻi nui i ka ikaika o ka ʻili a me ka nani o ka pena. Eia kekahi, he kūpaʻa wai maikaʻi loa a hiki ke mālama i ka ʻaila tung. He mea kūpono ia no ka hana ʻana i ka enamel maloʻo keʻokeʻo.