Yuav Qhia Li Cas Txog Cov Ncuav Qab Zib Hauv Lub Vaj Tse

Yuav ua li cas los nrhiav seb cov iav fwj muaj lead

Yuav ua li cas txheeb xyuas cov iav tsis muaj txhuas

1, pom lub logo: cov hlau tsis muaj kas fes feem ntau muaj poov tshuaj, feem ntau qib siab tshaj plaws thiab cov paib ntawm cov txheej ntim; cov hlau lead uas muaj hmoov lead yog hmoov txhuas, uas yog ib qho hauv qee lub khw thiab av iav ci iav, nws lead oxide Cov ntsiab lus mus txog 24%.

2, pom cov xim: Cov kua txhuas tsis xyaw xim dua li cov xim dawb tsis muaj cov kab kua qaub dawb muaj cov roj zoo dua qub, zoo dua cov xim ntawm cov khoom ci ntawm cov hlau; xws li ntau yam qauv ua qauv zoo nkauj, siv lead ua khob cij, siv lead ua, thiab lwm yam.

3, pom lub cua kub tsis kam: iav tuaj yeem feem ntau tau siab heev, tab sis feem ntau txias thiab kub kub tsis zoo. Cov kua qaub dawb tsis muaj hmoov lead yog ib lub iav nrog lub siab coefficient ntawm kev nthuav dav, thiab nws cov huab cua txias heev thiab kev kub hnyiab tuaj yeem mob heev. Yog hais tias boiled dej hauv cov dej hauv cov pob txha tsis xyaw xyaw me me, nws yog nquag tawg.

4. Lub cev nyhav: Cov khoom siv lead ua dawb tsis muaj hmoov lead yog cov thicker cov hmoov txhuas siv lead ua dawb.

5. Mloog lub suab: Lub suab ntawm cov hlau uas ua los ntawm cov kua qaub dawb tsis muaj hmoov lead yog zoo dua lub suab ntawm cov kab dawb uas tsis muaj hmoov txhuas. Nws yog nplua nuj nyob rau hauv lub koob npe nrov ntawm lub "suab paj nruag" khob.

6, saib toughness: Lead-free iav dua cov hlau lead ua los ntawm cov kua qaub (crystal glass) ntau dua lossis muaj zog.