Graphite Nozzle

Your Professional Graphite Nozzle Supplier

Henan Daking Import and Export Co., Ltd. (Henan Daking for short) is one of China's professional production, research and development, sales of graphite mold manufacturers. The company is committed to providing customers with high quality graphite raw materials and precision graphite products processing. Henan Daking is willing to cooperate wholeheartedly with new and old customers at home and abroad with superb technology, high quality products and sincere service, to create a better tomorrow hand in hand.

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Why Choose Us

01.

Quality products

The company is committed to providing customers with high quality graphite raw materials and precision graphite products processing.

02.

Rich experience

We have years of industry experience and a team of experienced engineers and technicians to ensure consistent precision and high quality of our products.

03.

Reliable service

Our team is committed to providing reliable and consistent service, ensuring that you receive high-quality products and customer support from us every time.

04.

One-stop solution

We are one of China's professional production, research and development, sales of graphite mold manufacturers.

Key Advantages of Graphite Nozzle

Excellent Heat Resistance
The most remarkable attribute of graphite nozzles is their high level of heat resistance. Graphite has an excellent high-temperature material, and can withstand extremely high temperature. Whether forging metals in a foundry, or gases at high temperatures in an aerospace engine, graphite nozzles retain their structural integrity in adverse conditions that would otherwise degrade other materials within hours.

Superior Durability
The durability provided by graphite nozzles is important to minimizing maintenance costs. Graphite is resistant to the wear that affects different materials used for the nozzle such as metals and ceramics. Resistant to the abrasive forces of molten materials or gases making your nozzle longer-lasting and more efficient over time.

Corrosion Resistance
It is naturally resistant to corrosion, even in the presence of harsh chemicals and extreme temperatures. Nozzles in industries like metal casting or chemical processing, for example, can be routinely exposed to corrosive materials that erode, weaken or compromise them over time. Comparison to metal equivalentsGraphite nozzles are very resistant to such corrosion, thus often regarded as a reliable option in chemically aggressive environment.

Low Friction
Graphite’s inherent lubricity produces a low-friction surface, making them favored in applications where smooth material flow is important. This low-friction property will be advantageous for nozzles for metal casting or fluid dynamics. Graphite nozzles reduce friction, leading to improved flow of materials, reduced clogs, and decreased wear on the nozzle and materials.

Customizable Designs
One more big advantage of graphite nozzles is their versatility and ability to customize the design. Due to the fact that graphite is a highly malleable material, nozzles can be made in different shapes and sizes and customized with it according to specific applications. From a narrow opening, to a wide opening, to a specific length, to custom internal channels, graphite is relatively easy to shape to whatever your specific requirements may be.

Specification

Siliconized graphite
Bulk density (G/cm³)	1.8
Porosity (%)	2.0
Flexural strength (MPa)	50
Compressive strength (Mpa)	130
Linear expansion coefficient approx 700℃	4.0*10-6
Service temperature (℃)	820

Molded high purity graphite
	MZ-1	MZ-2	MZ-3
Bulk density (G/cm³)	1.68	1.75	1.8
Granularity	11-13	11-13	11-13
Electric resistivity	9-13	10-12	8-10
Thermal conductivity (100℃) (W/M.K)	95	110	125
Shore hardness	35	40	48
Flexural strength (MPa)	20	25	35
Compressive strength (Mpa)	45	60	70
Porosity (%)	18	15	13
Ash (Ppm)	50	50	50

Isostatic graphite
Items	Parameter	Data
Bulk density	g/cm³	1.90
Resistivity	μΩm	≤12
Flexural strength	MPa	≥65
Compressive strength	MPa	≥130
Touch resistance	mΩ.c㎡	≤5
Working temperature	℃	-40—300
Shore hardness	HSD	75
Thickness	mm	0.5 single-side 0.8 double side
Porosity	%	0

Graphite Nozzle applications

Metal Casting

Graphite nozzle are crucial in metal casting, where they direct the molten metals into the molds. Due to graphite’s excellent resistance to high temperatures, these nozzles can withstand the high temps of molten metals( aluminum, steel and brass). This ability to modulate the flow of metal precisely means better quality casting and less waste.

Aerospace and Aviation

Over its career in aerospace, the material has much-toil in nozzle components for rockets and other propulsion cells. These nozzles are subjected to extreme heat and pressure, particularly during rocket launches. Its ability to do this under extreme conditions without breaking down makes graphite the perfect material for these high performance uses.

Laser Technology

Laser cutting and welding are among the important application of lasers that demand efficient nozzles to move gases for the process to an extent. These applications utilize graphite nozzles for flow to prevent contamination from the laser process. Graphite is the ideal material for ensuring the performance of laser systems, thanks to its heat resistance and smooth surface.

Electronics Manufacturing

In the electronics manufacturing industry, graphite nozzles are often used in applications that represent intense temperatures or delicate materials. When working with semiconductors, graphite nozzles are used to deliver molten metals or gases. Graphite’s resistance to heat and corrosion ensures the nozzle remains unaffected under the high-stress conditions — critical for product quality.

Maintain Of Graphite Nozzle

01/

Regularly clean the nozzle: Use a solvents such as detergents or alcohol to clean the nozzle. Avoid using water as it can damage the nozzle.

02/

Check the exhaust ports: Make sure the exhaust ports are open and free of debris. Also, check the nozzle for leaks and other issues.

03/

Inspect the air filter: Replace the air filter regularly to prevent blockages and improve airflow.

04/

Test the nozzle: Before starting any new production, test the nozzle to ensure it is working correctly.

Shipping

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FAQ

Q: Why is graphite good for rocket nozzles?

A: Graphite is one of the most common materials used in rocket nozzle throats due to its high temperature resistance, low cost, high thermal conductivity, and increasing toughness at elevated temperatures

Q: What is the most common nozzle material?

A: The most widely used nozzle material in 3D printing is brass, thanks to its optimal combination of thermal performance, machinability, and low cost. Over 80% of consumer and prosumer 3D printers come equipped with brass nozzles out of the box.

Q: Do I need a brass 3D printer nozzle?

A: In most general-purpose 3D printing scenarios, a brass nozzle is not only suitable but highly recommended—especially for beginners and hobbyists. Brass remains the go-to choice for standard printing tasks due to its excellent balance of performance and affordability.

Q: Do graphite nozzles really last longer?

A: Yes, graphite nozzles are known for significantly extended lifespans due to their superior resistance to wear, corrosion, and high-temperature degradation. Their durability stems from the inherent properties of graphite, which maintains structural integrity under extreme thermal conditions.

Q: What is the best nozzle shape for a rocket?

A: However, a shorter bell shape is typically used, which gives better overall performance due to its much lower weight, shorter length, lower drag losses, and only very marginally lower exhaust speed. Other design aspects affect the efficiency of a rocket nozzle. The nozzle's throat should have a smooth radius.

We're professional graphite nozzle manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade graphite nozzle made in China here from our factory.

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