Refractory Raw Materials

We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with the good quality at the reasonable price for Refractory Raw Materials, Buy Silica Powder, Fused Silica Minerals, Refractory For Steel Industry, We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits. We follow our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We aim to create much more worth for our buyers with our abundant resources, highly developed machinery, experienced workers and great providers for Refractory Raw Materials, Ensuring high product quality by choosing the best suppliers, now we have also implemented complete quality control processes throughout our sourcing procedures. Meanwhile, our access to a large range of factories, coupled with our excellent management, also ensures that we can quickly fill your requirements at the best prices, regardless the order size.


  • factory Outlets for Refractories For Foundry - Quartz Crucible – Dinglong

    factory Outlets for Refractories For Foundry - Quartz Crucible – Dinglong

    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 crystalliz...
  • Discount Price Type Of Refractory - Fused Silica Flour Refractory Materials – Dinglong

    Discount Price Type Of Refractory - Fused Silica Flour Refractory Materials – Dinglong

    High purity fused silica (99.98% amorphous) High thermal shock resistance, high volume stability and low volumetric expansion Available in both standard and custom particle size distributions Fused Silica Flour as Refractory Materials Our fused silica flour makes an excellent refractory material for applications due to its properties of high thermal shock resistance, high volume stability and low volumetric expansion. Fused silica flour is often used as refractory materials in flow cont...
  • China OEM Investment Casting Foundry - Fused Silica Flour – Dinglong

    China OEM Investment Casting Foundry - Fused Silica Flour – Dinglong

    High purity fused silica (99.98% amorphous) Low heat expansion properties provide high thermal shock resistance Available in both standard and custom particle sizes and distributions A Reliable Product Dinglong Fused Silica Flours are used in a slurry form and are among the highest quality available on the market. Our fused silica flours are optimized for consistency from batch to batch, to help you produce components with a high degree of dimensional accuracy. Dinglong fused silica powd...
  • Wholesale Dealers of Refractory Suppliers - Fused Silica Powder – Dinglong

    Wholesale Dealers of Refractory Suppliers - Fused Silica Powder – Dinglong

    High purity fused silica (99.98% amorphous) High volume stability and extremely low thermal expansion coefficient Produced at Dinglong Fangshan Industrial District fusion and processing facility Available in both standard and custom particle sizes and distributions A Reliable Product Dinglong fused silica powders are 99.98% amorphous. Fused silica powder’s consistent chemistry makes it a versatile material for refractory, electronics and foundry applications. These fused silica products ...
  • Big Discount Aerogel Powder - Silica Powder – Dinglong

    Big Discount Aerogel Powder - Silica Powder – Dinglong

    High purity quartz powder (99.3% crystalline) High hardness of 7(Mohs) High chemical resistance Low thermal expansion A Reliable Product Dinglong silica powders are flours designed for use in industrial applications. Due to silica powder’s high purity, high hardness and chemical resistance, it is often used in foundry, electronics, external paints, glass and refractory applications. Used and Trusted across Industries Dinglong silica powders are built in a crystalline form. Our silic...
  • OEM/ODM Factory Fused Cast Refractories - Fused Silica Grain Refractory Materials – Dinglong

    OEM/ODM Factory Fused Cast Refractories - Fused Silica Grain Refractory Materials – Dinglong

    High purity fused silica (99.98% amorphous) Exceptional thermal shock resistance, UV transparency and near-zero thermal expansion Available in both standard and custom particle size distributions Fused Silica Grain as Refractory Materials Our fused silica grain has different applications as refractory materials due to its ability to withstand continuous exposure to the combination of heat, corrosion, abrasion and impact. Choosing the proper refractory material for an application is criti...
  • Special Price for High Temperature Refractory - Fused Silica Powder – Dinglong

    Special Price for High Temperature Refractory - Fused Silica Powder – Dinglong

    High purity fused silica (99.98% amorphous) High volume stability and extremely low thermal expansion coefficient Produced at Dinglong Fangshan Industrial District fusion and processing facility Available in both standard and custom particle sizes and distributions A Reliable Product Dinglong fused silica powders are 99.98% amorphous. Fused silica powder’s consistent chemistry makes it a versatile material for refractory, electronics and foundry applications. These fused silica products ...
  • New Delivery for Blast Furnace Refractory Lining - Fused Silica for the Electronics Industry – Dinglong

    New Delivery for Blast Furnace Refractory Lining - Fused Silica for the Electronics Industry – Dinglong

    High purity fused silica (99.98% amorphous) high electrical resistivity, low volumetric expansion and low thermal conductivity Excellent electrical insulation properties Available in a variety of standard particle sizes, and can also be customized to your specifications Fused Silica for the Electronics Industry Our fused silica has very high electrical resistivity and low thermal conductivity, so is used in the electronics industry as filler in epoxy molding compounds for semi-conductors...
  • Super Purchasing for High Temperature Refractory Coatings - Quartz Powder – Dinglong

    Super Purchasing for High Temperature Refractory Coatings - Quartz Powder – Dinglong

    High purity quartz powder (99.2% crystalline) Appearance: white powder Low ionic impurities and low alpha ray emissions Consistent chemistry and carefully controlled particle size distribution A Reliable Product Dinglong quartz powders are flours used in electronics, quartz ware, refractory and other special applications. Due to quartz powder’s high purity, excellent chemical stability and carefully controlled particle size distribution, it is highly demanded in different industries. ...
  • 2021 wholesale price Fused Silica Products - Fused Silica Lump – Dinglong

    2021 wholesale price Fused Silica Products - Fused Silica Lump – Dinglong

    High purity and softening temperature High electrical resistivity and low thermal conductivity High transparency from the ultraviolet to the infrared spectral range Making of Fused Silica: Electric Fusion Dinglong has been producing fused silica on an industrial scale with the electric fusion melting process. More specifically, Dinglong uses the batch fusion method of electric fusion. In the batch fusion method, a large quantity of raw material is placed inside a refractory lined vacuum ...
  • Best quality Crystalline Quartz Powder - Quartz Crucible – Dinglong

    Best quality Crystalline Quartz Powder - Quartz Crucible – Dinglong

    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 crystalliz...
  • Big discounting Investment Casting Services - Fused Silica for Investment Casting – Dinglong

    Big discounting Investment Casting Services - Fused Silica for Investment Casting – Dinglong

    High purity fused silica (99.98% amorphous) Virtually zero crystalline silica content Available in a variety of standard particle sizes, and can also be customized to your specifications Fused Silica for Investment Casting Our fused silica has an extremely low thermal expansion coefficient and allows fast shell building. Dinglong fused silica guarantees better coverage of edges and cavities to minimize shell cracking. It also reduced sedimentation in the slurry tank. That is why our fuse...