ʻO ke koena hoʻoheheʻe ʻia o ka puʻupuʻu composite maʻamau i hana ʻia ma ka paʻi ʻana i nā koena solvent ink, solvent a me ke kaʻina hana, nā mea hoʻohana maʻamau e like me toluene a me butanone, ethyl acetate.
《GB9683—
1988 paʻakikī pūhui, ponoʻole ka decomposition, digestion a me ka absorption i loko o ke kino ʻaʻole, a no laila ua manaʻo ʻia he mea palekana, ʻaʻohe mea ʻona.
Akā, ma muli o ka pono o ka hana ʻana, kahi e hui pinepine ai i nā ʻano mea hoʻohui like ʻole, e like me ka mea hoʻolaha hoʻolaha, ka mea pale, ka mea hoʻopihapiha hoʻopihapiha, lawe mai i nā pilikia palekana meaʻai.
Loaʻa ʻia ka synthetic rubber mai nā mea ʻaila kemika, ʻoi aku ka nui, ua haku ʻia me ka monomer ma o nā ʻano hana like ʻole o nā pūhui polymer, ʻo nā molekole liʻiliʻi manuahi e pōʻino i ke kino kanaka.
