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Pingdingshan Wanhui Graphite Co., Ltd.
Pingdingshan Wanhui Graphite Co., Ltd.
  • Graphite Jewelry Molds

Custom graphite ring molds for sale

Graphite jewelry molds make original designs of graphite crucibles attached to them for a long time, which keeps high-temperature resistance. Making graphite molds for jewelry is the procedure used to insure that jewelry items can be accurately duplicated at any time future. The mold making process begins with the creation of a metal model. Models can be as simple as a basic ring or complex as jewelry containing multiple interlinking parts used to create elaborate multicolor jewelry.

What's the difference between graphite ring molds and metal ring molds?

Graphite ring molds, while less costly and more resistant to warping under high temperatures compared to metal counterparts, may impart a slightly rougher finish to the glass ring. This difference in finish arises from the inherent properties of the materials; graphite tends to have a slightly coarser texture than metal. However, graphite molds excel in thermal stability and are often preferred for their durability and longevity in glassmaking processes. Conversely, metal ring molds, such as silver casting molds, offer a smoother finish but come with a higher price tag and susceptibility to deformation under extreme heat. Glass artisans weigh these factors when selecting between graphite and metal ring molds, balancing cost, durability, and desired surface finish in their creative endeavors.

How do graphite ring molds compare to other types of molds, such as ceramic or metal, in terms of longevity and durability?

Graphite ring molds offer distinct advantages and considerations compared to ceramic or metal molds in terms of longevity and durability:


Graphite ring molds are renowned for their exceptional longevity. They boast a high resistance to thermal shock and degradation, making them capable of enduring prolonged exposure to high temperatures without significant deterioration.

Ceramic molds, while durable, may be more susceptible to cracking or chipping over time, especially if subjected to rapid temperature changes or mechanical stress.

Metal molds vary in longevity depending on the type of metal used. Some metals may corrode or degrade over time due to chemical reactions with molten glass, impacting the mold's lifespan.


Graphite ring molds are highly durable, capable of withstanding repeated use in glassmaking processes without significant wear or deformation. They maintain their structural integrity even after extended exposure to heat.

Ceramic molds are generally durable but may be prone to breakage or damage if mishandled or subjected to sudden temperature changes.

Metal molds can be durable but may deform or warp under high temperatures, especially if made from less heat-resistant metals. Additionally, some metals may react with molten glass, affecting the mold's longevity and performance.

Graphite ring molds excel in both longevity and durability due to their resistance to thermal shock and degradation. While ceramic and metal molds also have their merits, graphite molds are often favored for their reliability and ability to withstand the rigors of glassmaking processes over extended periods.

How To Make A Graphite Jewelry Mold?

By tooling design personnel according to the requirements of the product components used, the die structure design, drawing drawings again by skilled workers, according to the requirements of the drawings through all kinds of mechanical processing, such as lathe, planer, milling machine, grinding machine, EDM, wire cutting and other equipment) to do the mold of each part, assembly and debugging, until to produce qualified graphite products.

Advantages of Graphite Jewelry Mold

  • 01

    The graphite mold of jewelry has the characteristics of small porosity, compact structure, high surface finish, strong oxidation resistance, good oxidation resistance and high processing accuracy.

  • 02

    The use of high-quality graphite raw materials greatly extends the service life of the mold and improves the oxidation resistance.

Get In Touch With WH Graphite
Get In Touch With WH Graphite
WH Graphite is an experienced industrial graphite manufacturer and products supplier, providing types of high purity graphite products such as blocks, mold, cruibles, rods, plates and powder. Contact us to learn more about custom graphite products for different applications now!