Kev paub
-
07
Aug
Tshuaj lom neeg thiab lub cev ntawm PVC cov yeeb yaj kiabTam sim no PVC zaj duab xis tau siv dav nyob txhua qhov chaw, vim li cas thiaj li nrov?
Ntau -
06
Aug
PVC zaj duab xis muaj qhov ubiquitous hauv peb lub neejPVC yog polyvinyl chloride, thiab PVC zaj duab xis yog ib hom PVC thermal shrinkage zaj duab xis, zaj duab xis no feem ntau yog siv hauv cov khoom lag luam me ...
Ntau -
05
Aug
Dab tsi yog txhaj tshuaj ntawm PVC zaj duab xis nrog cov khoom siv misCov sib xyaw ua ke ntawm ntau cov khoom siv raw hauv cov qauv ntawm PVC zaj duab xis yog qhov sib txawv, cov khoom lag luam zoo tom qab ua zaj duab xis kuj yog qhov sib txawv.
Ntau -
04
Aug
PVC zaj duab xis ncab ntau lawmPVC zaj duab xis ncab ntau lawm, hauv cov calender ntau lawm kab lossis tshuab tshwj xeeb kos duab.
Ntau -
02
Aug
Qhov tseem ceeb ntawm kev haus luam yeeb thiab nplaim taws rov zoo ntawm PVC ...Polyvinyl chloride (PVC) tau thawj zaug los ua ke los ntawm Baumann hauv lub raj xa hluav taws thaum xyoo 1872.
Ntau -
01
Aug
PVC pob tshab zaj duab xis thiab polymer nplaim retardantPVC zaj duab xis polymer ua ntej pib yauv ua rau thermal degradation lossis thermal oxidative degradation thaum muaj pa oxygen ...
Ntau