Cov khoom siv pvc
Sep 28, 2019| Shenzhen Shenchuang Hi-tech Electronics Co., Ltd (SChitec) yog lub tuam txhab ua haujlwm siab uas tshwj xeeb hauv xov tooj accessories ntau lawm thiab muag khoom. Peb cov khoom tseem ceeb muaj xws li kev mus ncig, chargers tsheb, USB cables, fais fab nyiaj hauv tuam txhab nyiaj thiab lwm yam khoom siv digital.Tag nrho cov khoom muaj kev nyab xeeb thiab txhim khu kev qha, nrog cov cim styles.products dhau daim ntawv pov thawj xws li CE, FCC, ROHS, UL, PSE, C-Tick, thiab lwm yam. , Yog tias koj txaus siab rau, koj tuaj yeem tiv tauj ceo@schitec.com ncaj qha.
Nyob ruaj ntseg nrog SChitec
Cov khoom siv pvc
Hard polyvinyl chloride (PVC-U) yeeb nkab fittings rau dej
Qhov ceev 1380 kg / m3
Young tus modulus ntawm elasticity (E) 2900-3400 MPa
Tensile zog (σt) 50-80 MPa
Elongation @ tawg 20-40%
Ntsuas ntsuas 2-5 kJ/m2
Cov iav hloov pauv kub 87 degree C
Melting point 212 ° C
Vicat B1 85 degree
Thermal conductivity (λ) 0.16 W/mK
Thermal expansion coefficient ( ) 8 10-5 / K
Thaum tshav kub kub muaj peev xwm (c) 0.9 kJ/(kg·K)
Kev nqus dej (ASTM) 0 04-0.4
Refractive index hard molded khoom 1.52 ~ 1.55
Nqe 05-1.25 €/kg
Polyvinyl chloride yog cov nplaim hluav taws kub uas siv dav tshaj plaws thiab yog li ntawd dav siv hauv kev tiv thaiv hluav taws. Txawm li cas los xij, polyvinyl chloride tso tawm hydrogen chloride thiab lwm yam pa phem xws li dioxins thaum combustion.
Kev kub hnyiab ntawm PVC muab faib ua ob kauj ruam. Ua ntej, hydrogen chloride gas thiab diene uas muaj ob daim ntawv cog lus yog decomposed los ntawm kev kub hnyiab ntawm 240 ° C mus rau 340 ° C, thiab tom qab ntawd carbon combustion tshwm sim ntawm 400 txog 470 ° C.
Nws yog ib qho ntawm cov khoom siv yas zoo tshaj plaws hauv ntiaj teb. Nws yog pheej yig thiab siv dav. Cov polyvinyl chloride resin yog dawb los yog lub teeb daj hmoov. Cov khoom sib txawv tuaj yeem muab ntxiv raws li lub hom phiaj sib txawv, thiab cov yas polyvinyl chloride tuaj yeem nthuav tawm cov khoom sib txawv ntawm lub cev thiab cov khoom siv tshuab. Ntau yam ntawm cov khoom tawv, mos thiab pob tshab tuaj yeem ua los ntawm kev ntxiv cov yas yas tsim nyog rau polyvinyl chloride resin.
Qhov ceev ntawm ntshiab polyvinyl chloride yog 1.4 g / cm3, thiab qhov ceev ntawm polyvinyl chloride yas qhov chaw uas plasticizers thiab fillers ntxiv yog feem ntau 1.15-200 g/cm3.
Rigid PVC muaj qhov zoo tensile, flexural, compressive thiab cuam tshuam cov khoom thiab tuaj yeem siv ib leeg ua cov khoom siv.
Lub softness, elongation ntawm so, thiab txias tsis kam ntawm cov mos polyvinyl chloride nce, tab sis lub brittleness, hardness, thiab tensile zog yog qis dua.
Polyvinyl chloride muaj cov khoom siv hluav taws xob zoo, tuaj yeem siv los ua cov khoom siv hluav taws xob tsawg tsawg, thiab nws cov tshuaj lom neeg ruaj khov kuj zoo. Vim tias qhov tsis zoo thermal stability ntawm polyvinyl chloride, cua sov mus sij hawm ntev yuav ua rau decomposition, tso HCL roj, thiab discolor polyvinyl chloride. Yog li ntawd, nws daim ntawv thov ntau yog nqaim, thiab kev siv kub yog feem ntau ntawm -15 thiab 55 degree .