Long dispela wik, prais bilong klinpela bensin i stap gut, prais bilong anilin i go antap long 60$/ton, prais bilong saikoloheksillamin i go antap long 100 $/ton, prais bilong MIBK i pundaun long 200$/ton, na prais bilong aseton i go antap long 30$/ton i stap yet olsem 30$/ton i bin go antap long 30$/ton{in{4}}…
Nomata we ol praes blong ol raw materiel olsem aniline mo saekloheksillamine oli bin ribound smol, from we oli bin stap biaen long trend, ovarol praes blong maket blong ol aditiv i bin gohed blong go daon long wik ia blong wik. Long taem naoia, treding long aditiv maket i stap slo yet, mo daonstrim sentimen i stap berij blong ol narafala TBBS i stap long saed blong ol narafala TBBS oli stap long saed blong ol nara strim blong ol nara strim blong ol nara strim blong ol nara strim blong ol nara strim blong ol nara strim blong meinstrel bebet blong ol nara strim blong meinstrel bebet blong ol nara strim blong meinstrel bebet blong ol narafala strim blong mein strim blong ol nara strim blong mein strim blong ol nara strim blong mein strim blong ol nara strim blong mein strim blong ol nara strim blong mein strim blong ol nara strim blong mein strim blong ol nara strim blong meinstrel bebet ia. ol bikpela aditiv i klostu long kos. Ol i ting olsem prais bilong ol aditiv bai isi isi long stap gut long wik i kam aninit long strong bilong pinis bilong raw materiel prais.
I bin kisim bagarap long taim MIBK i wok long go daun oltaim, prais bilong antioksiden 6PPD i go daun yet, na pasin bilong antioksiden IPPD i bin kamap klia long 6PPD{2}} Antioksidant TMQ i wok klostu long kos na prais bilong en i bin senis liklik long dispela wik i go daun, na prais bilong antioksiden i bin go daun long 101 yia, na prais bilong ol antioksiden i bin go daun inap long mak bilong en, na prais bilong ol antioksiden i bin go daun inap long mak bilong en, na prais bilong ol antioksiden i bin go daun inap long mak invet prais na sels. Aninit long tupela presa bilong kos i go daun na wik diman, ol i ting olsem ol antioksiden bai go het long go daun long sotpela taim{5}}
Saplai bilong insoluble salfa i stap yet inap, wantaim ol prais i pundaun liklik; prais bilong zinc oksait i go antap liklik, taim prais bilong ol stearik asit na ol silan kapling ejen i stap gut yet, na prais bilong ol antiskorsing ejen i go daun liklik.