Factory source Refractory Minerals - Quartz Crucible – Dinglong

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Our aim is usually to give superior quality items at aggressive rates, and top-notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Fused Silica For Refractory Application, Micronized Silica, Aluminum Launders, Welcome any inquiry to our firm. We will be happy to ascertain helpful business enterprise relationships along with you!
Factory source Refractory Minerals - Quartz Crucible – Dinglong Detail:

A Reliable Product

Quartz crucible is the necessary container for the production of monocrystalline silicon and polycrystalline silicon. It is also the basic equipment for semiconductor industry and silicon solar cell. Our quartz crucibles use Unimin High Purity Quartz Sands, which successfully solve the problem of alkali-free metal spread internally and reduce the impurity density of crucible lining. It also ensures the low content of oxygen and particle defects and makes the crystallization rate improved significantly.

Properties of Quartz Crucible

High purity quartz crucible’s outstanding advantages are not available with other materials. The unique properties of quartz crucible include excellent resistance to thermal shock, high deformation temperature and softening temperature and low thermal conductivity.

Appearance Inspection

No scratches, no cracking, no clear pits , clearance and pollution-free on outer and inner surface; glossy and no attachments on internal surface, no bubbles but less little bubbles allowed, no black points but less little black point allowed, no impurity points; no collapse edge on the top of mouth; thickness of wall vacuum transparent coating is≥4mm.

Requirement of purity >99.995%,Aluminum content is <16ppm,Boron content is<0.1ppm.

About Dinglong Quartz Materials

These advanced quartz products are manufactured at certified facility in Lianyungang, China. Through 30 years of establishment, Dinglong has acquired strong mechanical and technical support and accumulated tremendous experiences for producing fine quartz materials. Our manufacturing processes are optimized for conformity and reliability — helping ensure reliable product quality and value. We believe reliable products can help us obtain leadership sales and build trust and friendship with our customers.


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Factory source Refractory Minerals - Quartz Crucible – Dinglong detail pictures

Factory source Refractory Minerals - Quartz Crucible – Dinglong detail pictures


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To be the stage of realizing dreams of our employees! To build a happier, far more united and far more specialist team! To reach a mutual profit of our customers, suppliers, the society and ourselves for Factory source Refractory Minerals - Quartz Crucible – Dinglong , The product will supply to all over the world, such as: Nigeria, Munich, Sri Lanka, Certainly, competitive price, suitable package and timely delivery will be assured as per customers' demands. We sincerely hope to build business relationship with you on the basis of mutual benefit and profit in the very near future. Warmly welcome to contact us and become our direct cooperators.
  • As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.
    5 Stars By Miriam from Bandung - 2017.08.28 16:02
    Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
    5 Stars By Kristin from Sierra Leone - 2017.12.19 11:10
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