Polypropylene (PP) waa thermoplastic, index oksijiin ee 17%, ayaa iska leh si sahlan loo gubo walxaha polymer, sidaas darteed waxqabadka dabku waa mid liidata, aad u fudud in la soo saaro dabka. Waraaqdayada dab-demiska ee PP waxay horumarisay dab-demiska. Walaxda PP oo leh waxqabadka dab-demiska oo buuxin kara heerka UL94, kaas oo ka gudbay shahaadaynta hay'adaha imtixaannada awoodda leh, taas oo si weyn u baabi'inaysa khatarta qarsoon ee isticmaaleyaasha.
Halabuurka guddiga PP ee ololka ayaa inta badan ah polypropylene, dufcaddii hore ee ololka, qaadaha ololka, master-ka midabka ololka, xasiliye-ka-hortagga ultraviolet, ka dib xal heerkul sarreeya iyo xinjirowga ka dibna la soo saaro.
Doorka xaashida PP ee ololka: xaashida ololka-dejinta PP waxay leedahay faa'iidooyin suuqa ka badan marka loo eego xaashida PP ee caadiga ah, oo inta badan ka muuqata dab-demiska, qalabka injineernimada, qalabka kiimikada, qalabka ilaalinta deegaanka, qalabka korantada ee doorashada, xannibista shaqada dib-u-dejinta dabka, laakiin sidoo kale waxay leedahay sifooyinka caabbinta acid iyo alkali, iska caabinta oksaydhka, iska caabbinta ultraviolet, sun, aan ur lahayn, aan midab lahayn oo aan waxyeello lahayn, iwm.
Waraaqdayada dab-demiska ee PP waxay dhaaftay shahaadada UL94. Waxaanan ku haynaa laba darajo shuruudaha macaamiisha kala duwan: V0 iyo V2 grade.
Hanti dab-demiska oo aad u wanaagsan;
Alaabooyinka alxanka iyo farsamaynta aad u wanaagsan;
Awood saameyn aad u fiican;
Iska caabbinta kiimikada iyo daxalka aad u fiican;
Habayn heer sare ah;
Iska caabbinta abrasion wanaagsan iyo sifooyinka korantada;
Miisaanka fudud, aan sun ahayn.
Xaashiyaha dab-demiska ee PP waxa uu leeyahay sifada iska caabinta dabka oo wanaagsan oo leh saamaynta sare ee xoogga iyo xoogga sare waana u nuglaanshaha hoose ee dildilaaca xiisadda waxa loo isticmaalaa meelo gaar ah, sida hababka hawo-qaadista iyo injineernimada korontada.