Tungsten CAS 7440-33-7 Chaw tsim tshuaj paus

Lus piav qhia luv luv:

Tuam Tshoj Tungsten CAS 7440-33-7 nrog tus nqi zoo tshaj


  • Khoom npe:Tungsten
  • CAS:7440-33-7 : kuv
  • MF: W
  • MW:183.84 ib
  • EINECS:231-143-9 : kuv
  • Cim:neeg tsim khoom
  • Pob:1 kg / hnab los yog 25 kg / nruas
  • Product Detail

    Khoom cim npe

    Kev piav qhia

    Khoom npe: Tungsten
    CAS: 7440-33-7 Nr
    MF: W
    PIB: 183.84
    IB: 231-143-9
    Melting point: 3410 ° C (lit.)
    Kub taw tes: 5660 ° C (lit.)
    Qhov ceev: 19.3 g / mL ntawm 25 ° C (lit.)
    Kub: -23 ° C
    form: cev
    xim: Silver-grey
    Lub ntiajteb txawj nqus: 19.3

    Specification

    Khoom npe

    Tungsten
    CAS 7440-33-7 : kuv
    Qauv ES. 5 N ESW.6 N
    W (%) 99.999 ib 99.99 9
    impurity Max ppm
    K 0.1 0.07 ib
    Na 0.5 0.5
    Li 0.05 Nws 0.01 ib
    U 0.0008 0.0005
    Th 0.0008 0.0005
    Loj (um) 1.9-3.5 Nws 1.9-3.5 Nws

    Daim ntawv thov

    Factory tsum Tungsten CAS 7440-33-7 lug siv nyob rau hauv high-voltage teeb qhov chaw electrodes, semiconductor-theem magnetron sputtering lub hom phiaj, thiab lwm yam high-end teeb qhov chaw, electronics, semiconductors thiab lwm yam lag luam.

    Cia

    Khaws rau hauv qhov chaw uas muaj cua sov thiab txias warehouse.

    Kev them nyiaj

    * Peb tuaj yeem muab ntau txoj kev them nyiaj rau cov neeg siv khoom xaiv.
    * Thaum tus nqi me me, cov neeg siv khoom feem ntau them nyiaj los ntawm PayPal, Western union, Alibaba, thiab lwm yam.
    * Thaum tus nqi loj, cov neeg siv khoom feem ntau them nyiaj los ntawm T / T, L / C thaum pom, Alibaba, thiab lwm yam.
    * Dhau li ntawd, cov neeg siv khoom ntau dua yuav siv Alipay lossis WeChat them kom them nyiaj.

    kev them nyiaj

    Txog Kev Thauj Mus Los

    * Peb tuaj yeem muab ntau hom kev thauj mus los raws li cov neeg siv khoom xav tau.
    * Thaum cov khoom me me, peb tuaj yeem xa nkoj los ntawm huab cua lossis thoob ntiaj teb xa khoom, xws li FedEx, DHL, TNT, EMS thiab ntau yam ntawm cov kab tshwj xeeb thauj thoob ntiaj teb.
    * Thaum muaj ntau ntau, peb tuaj yeem nkoj los ntawm hiav txwv mus rau qhov chaw nres nkoj.
    * Tsis tas li ntawd, peb tuaj yeem muab cov kev pabcuam tshwj xeeb raws li cov neeg siv khoom xav tau thiab cov khoom lag luam.

    Kev thauj mus los

  • Yav dhau los:
  • Tom ntej:

  • Yam khoom