Ximasphalt shingleyog ib hom tshiab ntawm cov ntaub thaiv dej shingle ru tsev ua los ntawm cov khoom siv cais, uas yog ua los ntawm cov iav fiber xav tias zoo li lub cev log tsheb thiab muab tso rau hauv cov asphalt hloov kho zoo. Nws tsis tsuas yog muaj xim nplua nuj, ntau yam duab, lub teeb thiab ruaj khov, yooj yim tsim kho thiab lwm yam ntxwv, tab sis kuj muaj cov dej tsis zoo, cov haujlwm kho kom zoo nkauj, yog cov khoom siv kho kom zoo nkauj tshiab uas siv dav hauv ru tsev nqes hav hauv tsev thiab txawv teb chaws. Nws yog qhov tsim nyog rau ru tsev dej tsis muaj dej nrog nqes hav ntau dua 20 °.

Nov yog cov lus piav qhia ntxaws ntxaws txog cov khoom xyaw yooj yim ntawmcov asphalt shingles:

(3) Cov xim ore me me: cov xim ore me me ntawm qhov chaw ntawm asphalt shingle tuaj yeem tiv thaiv qhov chaw asphalt los ntawm tshav ntuj ncaj qha, ua rau asphalt tsis yooj yim rau hnub nyoog, ntev lub neej ntawm cov vuas, nplua nuj cov xim ntawm cov khoom, thiab txhim kho qhov hluav taws kub ntawm cov vuas ru tsev.

(4) Cov nplaum uas kaw nws tus kheej: sab nraub qaum ntawm cov vuas asphalt xim nrog daim kab xev uas nplaum nws tus kheej. Tom qab cov xim asphalt shingles raug muab tso rau ntawm lub ru tsev, cov nplaum nws tus kheej yuav raug qhib rau hauv qab lub hnub ci, ua rau muaj viscosity, yog li cov xim asphalt shingles sab saud thiab sab qis tau sib txuas ua ke, kom ntseeg tau tias lub ru tsev muaj kev ncaj ncees.

(5) Cov khoom siv sau (xuab zeb zoo): limestone feem ntau siv. Cov khoom siv sau muaj ntau yam zoo rau cov vuas ru tsev. Nws tuaj yeem txhim kho kev ua haujlwm tsis muaj dej ntawm cov khoom, txhim kho qhov kev tiv thaiv huab cua thiab elasticity ntawm cov vuas ru tsev, thiab txo tus nqi ntawm cov khoom.

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