A cikin robobi, additives suna taka muhimmiyar rawa wajen haɓakawa da gyaggyarawa kaddarorin kayan. Ma'aikatan nukiliya da wakilai masu fayyace irin waɗannan abubuwan ƙari ne guda biyu waɗanda ke da dalilai daban-daban don samun takamaiman sakamako. Duk da yake dukansu suna taimakawa wajen haɓaka aikin samfuran filastik, yana da mahimmanci don fahimtar bambance-bambance tsakanin waɗannan wakilai biyu da yadda suke ba da gudummawa ga samfurin ƙarshe.

Farawa danucleating jamiái, waɗannan additives ana amfani da su don hanzarta tsarin crystallization na robobi. Crystallization yana faruwa lokacin da aka shirya sarƙoƙin polymer a cikin tsari mai tsari, yana haifar da tsari mai tsauri. Matsayin wakili na nucleating shine samar da fili don sarƙoƙin polymer don mannewa, haɓaka haɓakar crystal da haɓaka gabaɗayan crystallinity na kayan. Ta hanyar haɓaka crystallization, ma'aikatan nucleating suna haɓaka kayan aikin injiniya da thermal na robobi, suna sa su ƙara ƙarfi kuma suna jurewa zafi.

Ɗaya daga cikin abubuwan da ake amfani da su na nucleating shine talc, wani ma'adinai da aka sani da ikonsa na haifar da samuwar crystal. Talc yana aiki azaman wakili na nucleating, yana samar da rukunin yanar gizo don sarƙoƙin polymer don tsarawa. Ƙarin ƙari yana haifar da ƙara yawan ƙima da ƙima mai kyau, yana sa kayan ya fi ƙarfi kuma ya fi tsayi. Dangane da takamaiman buƙatu da halaye na samfuran filastik, ana iya amfani da sauran abubuwan da ke haifar da ƙwayoyin cuta kamar sodium benzoate, benzoic acid da gishirin ƙarfe.

Clarifiers, a daya bangaren, additives ne da ke ƙara hasken gani na robobi ta hanyar rage hazo. Haze shine tarwatsa haske a cikin wani abu, yana haifar da gajimare ko kamanni mai jujjuyawa. Matsayin wakilai masu bayyanawa shine don gyara matrix polymer, rage girman lahani da rage tasirin watsa haske. Wannan yana haifar da ƙarin haske, ƙarin kayan aiki, waɗanda suka dace musamman don aikace-aikace kamar marufi, ruwan tabarau na gani da nuni.

Ɗaya daga cikin abubuwan da aka fi amfani da su na bayyanawa shine sorbitol, barasa mai sukari wanda kuma yana aiki azaman wakili na nucleating. A matsayin wakili mai bayyanawa, sorbitol yana taimakawa samar da ƙananan lu'ulu'u masu kyau a cikin matrix na filastik. Waɗannan lu'ulu'u suna rage tarwatsewar haske, wanda ke rage hazo sosai. Ana amfani da Sorbitol sau da yawa a hade tare da wasu wakilai masu fayyace irin su benzoin da abubuwan da aka samo asali na triazine don cimma bayanin da ake so da tsayuwar samfurin ƙarshe.

Duk da yake duka nau'ikan nucleating da fayyace suna da manufa guda na haɓaka kaddarorin robobi, dole ne a lura cewa hanyoyin aiwatar da su sun bambanta.Ma'aikatan nukiliyahanzarta aiwatar da crystallization, ta haka inganta inji da thermal kaddarorin, yayin da bayyana jamiái gyara da polymer matrix don rage haske watsawa da kuma kara Tantancewar tsabta.

A ƙarshe, abubuwan da ke haifar da ƙwayoyin cuta da masu bayyanawa sune mahimman abubuwan ƙari a fagen filastik, kuma kowane ƙari yana da takamaiman manufa. Ma'aikatan nukiliya suna haɓaka tsari na crystallization, don haka inganta kayan aikin injiniya da thermal, yayin da masu bayyanawa suna rage hazo da ƙara haske. Ta hanyar fahimtar bambance-bambancen da ke tsakanin waɗannan wakilai guda biyu, masana'antun za su iya zaɓar abin da ya dace don cimma sakamakon da ake so don samfurin su na filastik, ko yana ƙara ƙarfin ƙarfi, juriya na zafi ko tsabtataccen gani.