A: Yog, koj tuaj yeem yaj kub yam tsis muaj flux. Cov kub ntshiab, nrog lub melting point ntawm ib ncig ntawm 1064 ° C (1947 ° F), tuaj yeem yaj siv lub siab kub kub xws li propane - oxygen torch lossis hluav taws xob rauv taws. Flux tshem tawm impurities thiab txo oxidation, tab sis yog tias kub yog ntshiab thiab oxidation tsis yog ib qho teeb meem, flux tsis xav tau. Txawm li cas los xij, flux tuaj yeem txhim kho cov yaj zoo thaum cuam tshuam nrog kub tsis huv.
Shenzhen Hasung Precious Metals Equipment Technology Co., Ltd. yog ib lub tuam txhab tsim khoom siv tshuab nyob rau sab qab teb ntawm Suav teb, hauv lub nroog zoo nkauj thiab loj hlob sai tshaj plaws hauv kev lag luam, Shenzhen. Lub tuam txhab yog ib tus thawj coj hauv kev siv tshuab hauv thaj chaw ntawm cov khoom siv cua sov thiab casting rau cov hlau muaj nqis thiab kev lag luam khoom siv tshiab.
Peb txoj kev paub txog kev siv tshuab nqus tsev ua rau peb pab tau cov neeg siv khoom lag luam los ua cov hlau uas muaj cov hlau sib xyaw ua ke ntau, cov hlau platinum-rhodium uas xav tau cov hlau nqus tsev ntau, kub thiab nyiaj, thiab lwm yam.