Lub hnab ntim khoom tsis pom zoo rau kev siv mus sij hawm ntev hauv qhov chaw kub thiab txias

Lub hnab ntim khoom yog ib hom thawv ntim khoom tiag tiag, kuj yog ib hom kev hloov pauv hloov ntim ntim.Siv dav hauv cov khoom noj, nplej, tshuaj, tshuaj, khoom siv ntxhia thiab lwm yam hmoov, granular, thaiv cov khoom thauj thiab ntim khoom.Kuj tseem muaj ntau hom hnab ntim khoom, cov hnab ntim cov hnab ntim cov hnab, cov hnab ntim cov ntaub, cov hnab ntim khoom thiab lwm yam.Yog li, nyob rau hauv hom dab tsi ntawm ib puag ncig yog siv lub thawv ntim khoom?Qhov ntsuas kub dab tsi tuaj yeem ntim cov hnab ntim tau?Ua raws li Xiaobian ua ke kom nkag siab nws!

Thawv hnab raw khoom

Lub thawv yog lub thawv yas hloov tau yooj yim nrog polypropylene thiab polyethylene cob ua raw khoom, qhov ntim ntawm tsawg dua 3m3 thiab cov kabmob loj yog tsawg dua lossis sib npaug li 3 tons.

polypropylene

Melting point 165 ℃, softening ntawm li 155 ℃;

Kev khiav hauj lwm kub ntawm -30 ° C mus rau 140 ° C.

Nws tuaj yeem tiv thaiv corrosion ntawm acid, alkali, ntsev tov thiab ntau yam organic solvents hauv qab 80 ℃, thiab tuaj yeem decompose nyob rau hauv kub thiab oxidation.

polythene

Melting point 85 ℃ to 110 ℃, nrog zoo heev kub tsis kam;

Kev siv kub tuaj yeem ncav cuag -100 ° C txog -70 ° C, tshuaj lom neeg ruaj khov, tsis kam mus rau feem ntau cov kua qaub thiab lub hauv paus yaig (tsis tiv taus acid nrog oxidizing zog)

Lub hnab ntim khoom siv kub?

Dab tsi yog qhov kub ntawm cov hnab ntim khoom ua los ntawm polypropylene thiab polyethylene?

Raws li lub teb chaws tus qauv GB / T10454-2000, qhov ntsuas kub ntawm lub thawv ntim yog -35 ℃.

Muab lub hnab ntim rau hauv -35 ℃ qhov kub thiab txias lub thawv rau ntau tshaj 2 teev, thiab tom qab ntawd quav cov khoom kuaj hauv ib nrab mus rau 180 degrees los xyuas seb cov khoom siv substrate puas puas, tawg thiab lwm yam tsis zoo.

Qhov ntsuas kub ntawm qhov ntsuas kub yog 80 ℃.

Siv ib qho load ntawm 9.8N rau cov khoom kuaj thiab muab tso rau hauv qhov cub ntawm 80 ℃ rau 1h.Tam sim ntawd tom qab tshem tawm cov khoom kuaj, cais ob qhov sib tshooj ntawm cov khoom sib tshooj thiab tshawb xyuas qhov chaw rau adhesion, tawg thiab lwm yam tsis zoo.

Raws li tus qauv xeem, lub thawv ntim tuaj yeem siv nyob rau hauv ib puag ncig ntawm -35 ° C txog 80 ° C, tab sis nws tsis pom zoo rau kev siv mus sij hawm ntev hauv qhov kub thiab txias.