Hauv tag nrho cov txheej txheem ntawm kev tsim khoom, kev tsim khoom, kev khaws khoom siv thiab siv, lub hnab ntim tau yooj yim, uas yog nws lub cev ua yeeb yam thiab thaum kawg loses tus nqi ntawm cov khoom. Yog li ntawd, thaum cov hnab ntim khoom nqus thiab ua kom lub nqus dej nqus tsev, ntxiv rau cov tshuaj tshuab tuab uas tuaj yeem tiv thaiv cov yas puag thiab cov mildew. Thickeners suav nrog cov tshuaj tiv thaiv kab mob antioxidants, lub teeb ci, cua sov stabilizers thiab cov tshuaj tiv thaiv kab mob raws li lawv cov haujlwm tag nrho. Thaum lub hnab nqus tsev kov cov polyethylene thiab vinyl chloride prepolyst, thiab lwm yam thiab kev ua haujlwm, ntxiv wechat xa ib co ov {- rov kho cov neeg sawv cev, cov tshuaj pleev cov khoom noj khoom haus, thiab lwm yam. Compium Hom cov khoom siv hlau yooj yim mus hloov mus rau tib neeg cov zaub mov qeb, huab yog txhuas, cadmium thickeners thickeners, uas yog heev txawv txawv rau lub cev.
