Niobium nitride, lub teeb grey yog daj me ntsis, tus txheeb ze ceev yog 8.47g / cm3, lub taw tes melting yog 2300 ° C; Lub mohs hardness yog 8, microhardness yog 14.3gpa; Nws qhov kev hloov pauv hloov kho qhov kub tseem ceeb yog 15.6K. Insoluble hauv hydrochloric acid, nitric acid, sulfuric acid; soluble hauv concentrated acid daws acid thiab sulfuric acid thiab sulfuric acid nws kuj yog soluble hauv kub alkali lossis siab-siab li cov lus hais ua ke thiab emits ammonia.
Siv los ua cov cemented carbide additive, nws kuj tseem tuaj yeem tsim cov kev ua kom siab-purity niobium.
Kev pabcuam peb tuaj yeem muab
1) Daim ntawv cog lus raug cai tuaj yeem kos npe
2) Kev Pom Zoo Tsis pub lwm tus paub tuaj yeem kos npe
3) Muaj xya hnub rov qab lav
Tseem ceeb tshaj: Peb tuaj yeem muab cov khoom lag luam tsuas yog, tab sis kev pabcuam tshuab thev naus laus zis!
Peb yog cov chaw tsim khoom, peb lub Hoobkas nyob hauv Shandong, tab sis peb kuj tseem tuaj yeem muab ib qho kev yuav khoom rau koj!
T / T (Telek Hloov), Western Union, MoneyGram, BTC (Bitcoin), thiab lwm yam.
≤25KG: Hauv peb hnub ua haujlwm tom qab tau txais nyiaj. > 25kg: ib lub lim tiam
Muaj, peb tuaj yeem muab cov qauv dawb rau kev ntsuas lub hom phiaj zoo!
1kg ib lub hnab FPR kuaj, 25kg lossis 50kg rau ib nruas, lossis raws li koj xav tau.
Khaws lub thawv ntim kom nruj rau hauv qhov chaw qhuav, txias thiab muaj qhov zoo.
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Tantalum chloride | Tacl5 | CAS 7721-9 | Tuam Tshoj ...
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Hoobkas Muag Khoom So Noj Qab Haus Dej Txhuas Txhuas Fluoride Na3alf6 ...
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Hoobkas mov spherical puab puab tungsten hmoov ...
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Tsis muaj 7440-44-0 nano coj cov carbon dub ...
