Ukuchazwa Okuyisisekelo Kwe-Rubber Auxiliaries

I-Rubber Auxiliaries ibangela ukuvuva kusuka kurabha yemvelo . Ngemuva kweminyaka engaphezu kwengu-80 yocwaningo, kuze kube sekhungweni esingu-20} Ama-Auxiliaries ahlelwe ngokuyisisekelo uhlelo . Njengamanje, izengezo zenjoloba esikhathini esizinzile ukukhiqizwa okungu-4% kokukhiqizwa kwe-auxiliaries auxiliaries acishe abe ngu-4% wokusebenzisa i-auxitives auxiliaries agxile kakhulu, i-Federal Germany Bayer AG kanye ne-United States Monsanto ibaluleke kakhulu Umkhiqizi . Ukukhiqizwa kwama-auxiliores ase-Chiner Burber (abhekisele ezingeni lezinto eziphilayo) aqale ngo- 1952.