1, pa, vim yog qhov nyiaj uas muaj nyob hauv cov pa 21%, uas ceev tau cov khoom khoom ntawm oxide, yam tug hnyav, uas yuav tau ua nyob rau hauv oxidation ceev ntawm lub suab, uas ua rau muaj ib daim kab xev rau andquot; oldandquot; pa. Tiam sis peb donand #39; t cia nplaum xev xev kuj yuav muaj npuas tshwm, breathable suab, tiv thaiv, ib tug zoo tshaj yuav yog inevitable.
2, ultraviolet tawg (hnub ci), ultraviolet teeb uas kub decomposition rau yam khov, yog nphav raug heev rau cov hnub siv yog isoleucine, yuav ua rau daim kab xev kev laus. Rau daim kab xev siv ib qhov chaw, tsis hais cov khoom raug tshav kub.
3, plasticizers, uas tseem ceeb muaj nuj nqi ces yog muag cov yas, thiab siv cov hnab yas muaj plasticizers, nrog rau cov sij hawm hloov, lub khoom xwb muaj ib cov kev faib ua feem ntawm cov nyiaj plasticizer ntau ntau, ua rau daim kab xev laus ua luaj rau. Nyob rau hauv cov mus sij hawm ntev uas siv rau cov yam saum toj no yuav ua rau deterioration ntawm lub suab, softening, tua, thiab poob stickiness.
4, hlau, tshwj xeeb tshaj yog tooj liab los yog xeb, nyob rau hauv lub neej txhua hnub txog tej yam khoom zoo thiab hlau organic tebchaw, tshwj xeeb tshaj yog tooj liab los yog xeb Event, hos cov tapes muaj organic tebchaw, ua rau daim kab xev kev laus. Ntau hlau nplaum daim kab xev zaj duab xis tiv, los yog siv tej yam, qhov no yuav tsum tau kom lub suab, tus txhob vim ciav daim kab xev yam poob hauj lwm loj tshaj cov neeg mob.
5, tshuaj, uas nws muaj lub ntsiab yog calcium oxide uas muaj calcium thiab kev tshua ntawm organic tebchaw. Tsuj tsawg zoo li no.
