Melting da tafasa possfital: Me yasa ya yi laushi a yanayin zafi? ​​

Kwakwalwa, cakuda cakuda hydrocarbons, ba da kai mai narkewa mai kaifi saboda tsarinta na asali. Madadin haka, ya nuna kewayon santsi (yawanci 40-60 ° C don kwalta na petpleum), bayan abin da ya wuce gona da iri daga ruwa mai kyau. Wannan halayyar ta samo asali daga tsarin colloidal:

Dandalin kwayoyin halitta: a babban yanayin zafi, gurbataccen ruwa (maltenes) a cikin Jerphalte ya zama mafi yawan ruwa, raunana asphalene matrix. Wannan yana rage sojojin masu rikitarwa, suna haifar da laushi.
Sarkin zazzabi: Gasar Asaflor ta sauko da su da zafi. Misali, a 60 ° C, Standard Macizllah na iya rasa kashi 90% na taurinsa, yana haifar da sha'awar ɗaukar kaya. Gyara asphalts (E.G., SBS ko nau'ikan nau'ikan Modulus) suna tsayayya da wannan hanyar cibiyoyin polymer waɗanda ke yin tsaftace tsarin har zuwa 70 ° C ko sama.
Tafasa da bazawa:
Aspaptal ya bazu kafin ya isa ga wata tafasasshen tafasasshen (a ƙasa 470 ° C), sakin gas mai guba kamar benzene. Saboda haka, manufa mai tafasa tana da ƙarancin dacewa fiye da alamar filasha (~ 204 ° C), wanne zangon zango a lokacin dumama.

Abubuwan da suka dace:

Rashin nasarar bazara: yanayin bazara ya wuce 50 ° C zai iya taushi kwalta, yana haifar da ɓarna na dindindin kamar rutti.
Mafita: Yi amfani da gyaran da aka gyara (E.G., SBS) ko ƙari na sanyaya don haɓaka kwanciyar hankali-zazzabi.
A taƙaitaccen, TOPPLALT ta fi girma saboda fashewar Colloidal da haɓakar saukin saukarwa da mawuyacin hali, na gaɓo sabbin abubuwa na kayan aiki don karko.