Refractory Insulation Materials

We can constantly satisfy our respected customers with our good high quality, good price tag and good support due to we have been additional specialist and extra hard-working and do it in cost-effective way for Refractory Insulation Materials, Amorphous Fused Silica, Solar Energy, Renewable Energy Use Quartz Crucible, Aggressive price with top quality and satisfying support make us earned extra customers.we wish to work along with you and request common enhancement. Our corporation insists all along the quality policy of "product top quality is base of organization survival; purchaser pleasure will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff" plus the consistent purpose of "reputation very first, purchaser first" for Refractory Insulation Materials, Our company upholds the spirit of "innovation, harmony, team work and sharing, trails, pragmatic progress". Give us a chance and we will prove our capability. With your kind help, we believe that we can create a bright future with you together.


  • 2021 New Style Ceramic Foundry Sand - Quartz Tube – Dinglong

    2021 New Style Ceramic Foundry Sand - Quartz Tube – Dinglong

    Lighting We have a wide product range of quartz tubes for lighting applications and can fully meet your demand. Our products can be applied in traditional lighting, automobile lighting, special lighting, germicidal and heating fields. Fiber Optics Optical Fibers are used as a means to transmit light between the two ends of the fiber and find wide usage in fiber-optic commutations. We are proud to be part of this development and are committed to contribute new products and ideas to encounter n...
  • Popular Design for Sio2 Powder - Fused Silica Grain – Dinglong

    Popular Design for Sio2 Powder - Fused Silica Grain – Dinglong

    High purity fused silica (99.98% amorphous) Low thermal expansion coefficient, consistent chemistry and high resistance to thermal shock Available in a variety of standard particle sizes, and can also be customized to your specifications Used and Trusted across Industries Dinglong fused silica grains produce some of the highest-quality products on the market. Since these grains have high volume stability, low volumetric expansion and high purity, they are often used in the solar power, r...
  • Factory wholesale Casting Refractory Cement - Quartz Crucible – Dinglong

    Factory wholesale Casting Refractory Cement - 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...
  • OEM/ODM Manufacturer Ceramic Foundry Sand - Quartz Powder – Dinglong

    OEM/ODM Manufacturer Ceramic Foundry Sand - 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. ...
  • Chinese Professional Fused Quartz Flour - Quartz Crucible – Dinglong

    Chinese Professional Fused Quartz Flour - 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...
  • Low MOQ for Investment Foundry - Silica Powder – Dinglong

    Low MOQ for Investment Foundry - 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...
  • Factory For Silicon Rubber Filling - Quartz Powder – Dinglong

    Factory For Silicon Rubber Filling - 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. ...
  • Wholesale Discount Refractory Material Suppliers - Fused Silica Lump – Dinglong

    Wholesale Discount Refractory Material Suppliers - 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 ...
  • Cheap PriceList for Solar Energy - Quartz Crucible – Dinglong

    Cheap PriceList for Solar Energy - 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...
  • 8 Year Exporter Refractory Stone - Fused Silica for the Electronics Industry – Dinglong

    8 Year Exporter Refractory Stone - 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...
  • Factory source Neutral Refractory Material - Quartz Powder – Dinglong

    Factory source Neutral Refractory Material - 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. ...
  • Factory wholesale Epoxy Resin Filler - Silica Powder – Dinglong

    Factory wholesale Epoxy Resin Filler - 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...