Graphite Moulds

Graphite Moulds Specification

Molding Material
Industrial Grade Graphite

Life Span
Up to 3 years under recommended usage conditions

Mold Base
Customizable High-Purity Graphite

Cavity
Single or Multi Cavity (as per design)

Shaping Mode
Die Casting / Pressing

Material
99.9% Pure Graphite

Tolerance
0.02 mm

Mould Weight
2 to 48 kg (vary based on size and design)

Mould Life
10,000 to 30,000 shots (depending on application)

Density
1.75-1.90 g/cm3

Shape Customization
Available as per customer drawing

Max Service Temperature
Up to 3000C (in inert atmosphere)

Electrical Resistivity
8-12 m

Porosity
Very Low

Oxidation Resistance
Enhanced with surface treatment

Thermal Conductivity
High (120-145 W/mK)

Color
Natural Graphite Black

Hardness
Shore 45-60

Application
Continuous casting, metal forming, precious metals molding, and glass industry

Surface Finish
Ra 0.4 - 0.8 m

Graphite Moulds Trade Information

Minimum Order Quantity
1 Piece

Average Load Time
5-8 seconds/cycle

Supply Ability
500 Pieces Per Month

Delivery Time
7 Days

About Graphite Moulds

Yogeshwar Construction

Graphite moulds are specialized tooling components made from high-purity graphite, designed for shaping molten metals and other materials into precise forms. They are widely used in industries such as metallurgy, casting, jewelry making, glass forming, and continuous casting processes.

One of the key advantages of graphite moulds is their exceptional thermal resistance. Graphite can withstand extremely high temperatures without deforming or cracking, making it ideal for handling molten metals like gold, silver, aluminum, copper, and brass. It also has excellent thermal conductivity, allowing heat to dissipate quickly and ensuring uniform cooling of the cast material.

Graphite moulds are known for their natural lubricity, which reduces the need for additional release agents and makes it easier to remove the finished product without sticking or damage. They also exhibit low thermal expansion, meaning they maintain their shape and dimensional stability even under repeated heating and cooling cycles.

Another important feature is their machinability. Graphite is relatively easy to machine into complex shapes and fine details, enabling the production of customized moulds with high precision. This makes them suitable for applications that require intricate designs or tight tolerances.

In addition, graphite moulds offer good chemical resistance and do not react easily with most molten metals, which helps maintain the purity and quality of the cast product. They also have a longer service life compared to many traditional mould materials when used under appropriate conditions.

Overall, graphite moulds are a reliable and efficient solution for high-temperature casting processes, offering durability, precision, and consistent performance across a wide range of industrial applications.

Exceptional Thermal and Mechanical Properties

Engineered from high-purity, industrial-grade graphite, these moulds deliver exceptional performance even in extreme conditions. Their high thermal conductivity facilitates rapid heat dissipation, minimizing thermal gradients and deformation during use. Superior hardness and low porosity extend the mould's life cycle, making them ideal for repeated operations in applications such as casting and metal forming.

Precision Customization for Diverse Industries

Graphite moulds are available in various shapes, dimensions, and cavity configurations to accommodate customer-specific requirements. The customizable design ensures optimal results for processes in the continuous casting of metals, extrusion, and glass shaping, providing a tailored solution for industries where accuracy and reliability are critical.

FAQ's of Graphite Moulds:

Q: How are these graphite moulds customized to meet specific project requirements?

A: These moulds can be manufactured according to your detailed drawings, allowing customization in shape, size, cavity number (single or multi), and mold base. The design process accommodates specialized needs for metal casting, glass forming, or precious metal molding.

Q: What advantages does the high thermal conductivity of the mould provide during use?

A: The high thermal conductivity (120-145 W/mK) ensures rapid and uniform heat distribution, which helps in achieving consistent product quality, reduces cycle times, and minimizes the risk of hot spots or thermal cracking during repeated use.

Q: When should I choose graphite moulds with an Ra 0.4-0.8 m surface finish?

A: A Ra 0.4-0.8 m surface finish is ideal when you require a smooth, precise surface on cast products-essential for processes like continuous casting, jewelry or precious metal molding, and high-quality glass shaping where surface integrity matters.

Q: Where can these graphite moulds be effectively applied?

A: They are perfect for applications in continuous metal casting, hot forming, precious metals molding, and the glass industry due to their high purity, durability, and ability to withstand extreme temperatures in protective atmospheres.

Q: What process is used to enhance oxidation resistance in these moulds?

A: The moulds undergo specialized surface treatments to enhance oxidation resistance, enabling extended life and performance, particularly in high-temperature or reactive environments.

Q: How long is the expected lifespan and operational cycle of the graphite moulds under recommended usage?

A: Under proper usage and inert atmosphere, the moulds can last up to 30,000 cycles or shots and maintain functionality for up to 3 years, depending on the specific application and maintenance protocols.

Q: What are the main benefits of choosing 99.9% pure graphite moulds from this manufacturer?

A: Customers benefit from exceptional purity reducing contamination, customized designs, minimal porosity for precise molding, enhanced oxidation resistance, and reliable service life, suitable for demanding industrial and precious metal applications.