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MITRA FUSION INDIA PVT LTD
Send InquiryGOLD MELTING CRUSIBLE
GOLD MELTING CRUSIBLE Specification
- Density
- 2.1 Gram per cubic centimeter(g/cm3)
- Purity
- Typically 99% or above for graphite
- Smell
- Odorless
- Molecular Formula
- C (for graphite crucible) or Al2O3 (for ceramic crucible)
- Shape
- Cylindrical, cup-shaped
- Other Names
- Melting Pot, Gold Melting Crucible
- HS Code
- 6903
- Form
- Solid
- Storage
- Store in a dry, ventilated area, avoid mechanical stress
- Solubility
- Insoluble in water and common solvents
- Ph Level
- Neutral
- Poisonous
- Yes
- Melting Point
- Approximately 1680C - 1780C
- Classification
- Refractory material
- Chemical Name
- Graphite Crucible / Ceramic Crucible
- Grade
- Industrial Grade
- Standard
- Industry Standard
- Type
- Crucible
- Usage
- Used in induction furnace, electric furnace, or gas furnace
- Main Material
- High Purity Graphite or Ceramic
- Application
- Gold, silver, copper, and alloy melting
- Non Toxic
- Yes
- Colour
- Black (graphite), White (ceramic)
- Maximum Working Temperature
- Up to 1800C
- Compatibility
- Compatible with most precious metals and alloys
- Lid Availability
- Optional lids available
- Packaging
- Individual box or custom packaging
- Thermal Shock Resistance
- High, suitable for rapid temperature changes
- Capacity Range
- 1 kg to 5 kg or customized sizes available
- Surface Finish
- Smooth, charcoal black (graphite type)
- Service Life
- Multiple uses depending on application and handling
GOLD MELTING CRUSIBLE Trade Information
- Minimum Order Quantity
- 1000 Pieces
- Supply Ability
- 1000 Pieces Per Day
- Delivery Time
- 7 Days
About GOLD MELTING CRUSIBLE
The specifications for a graphite crucible used for gold melting include:
Temperature Resistance: The crucible can withstand very high temperatures up to around 2000C, which is well above gold's melting point of approximately 1064C. This ensures thermal stability during melting.
Material: Made from natural or high purity graphite, the crucible has high thermal conductivity and mechanical strength, good oxidation and corrosion resistance.
Size and Capacity: Crucibles come in various sizes depending on the amount of gold to melt. It is recommended to choose a crucible capacity at least 1.5 times the weight of the gold being melted to allow space for flux and avoid overflow.
Shape: Common shapes include cylindrical and conical. Cylindrical crucibles are preferred for even heating.
Thermal Shock Resistance: Graphite crucibles have good resistance to thermal shocks but should not be rapidly cooled to avoid cracking.
Additional Features: Some crucibles may have a special glaze layer to improve corrosion resistance and durability.
Handling: Preheating the crucible before use is important, and heating should be done evenly and at controlled rates (10-20C per minute) to avoid damage.
Density & Hardness: Typical graphite density ranges from about 1.8 to 1.93 g/cm with hardness around 50-70 on the scale used.
These graphite crucibles are widely used in jewelry and metalworking industries for melting gold due to their durability, thermal properties, and ability to maintain gold purity.
Typical dimensions and weight examples include crucibles from 1kg to 8kg capacity with sizes around 35-110 mm in diameter and 80-180 mm in height, depending on model and capacity .
Engineered for Performance
These gold melting crucibles feature a high melting point (1680-1780C) and excellent thermal shock resistance, making them ideal for intense, repeated heating and cooling cycles. Whether you choose graphite or ceramic, each crucible possesses superior purity and structural strength.
Versatile Use and Compatibility
Designed to accommodate gold, silver, copper, and assorted alloys, the crucibles are compatible with most types of melting furnaces-including induction, electric, and gas varieties. Their cylindrical, cup-shaped form and smooth finish ensure efficient handling and consistent melting results.
Safe, Durable, and Convenient
With no toxic or hazardous components, these odorless crucibles are safe for industrial handling. Their robust design allows for multiple uses when properly maintained and stored. Optional lids and packaging solutions add convenience and protect the integrity of each piece.
FAQ's of GOLD MELTING CRUSIBLE:
Q: How do I select the correct crucible capacity for my melting needs?
A: Determine the weight of metal you plan to melt in a single batch. Choose a crucible size between 1 kg and 5 kg, or request a customized capacity if needed. Always leave space to prevent overfilling and ensure safe operation.Q: What metals and alloys can be melted using these crucibles?
A: These crucibles are compatible with most precious metals and alloys, including gold, silver, copper, and various other metal blends. The high purity graphite and ceramic materials ensure minimal reaction or contamination during melting.Q: When should I replace my gold melting crucible?
A: Replace the crucible if you notice excessive wear, cracks, or any form of mechanical damage. Service life can vary depending on application, frequency of use, and adherence to proper handling and storage guidelines.Q: Where are these crucibles best stored when not in use?
A: Store your crucible in a dry, well-ventilated area away from moisture and mechanical stress. Proper storage prolongs service life and maintains structural integrity.Q: What is the benefit of using high-purity graphite or ceramic for gold melting?
A: High-purity graphite or ceramic ensures excellent thermal stability, minimal impurity contamination, and reliable performance at high temperatures. This results in cleaner melts and longer-lasting crucibles.Q: How should the crucible be used in different furnace types?
A: These crucibles are suitable for use in induction, electric, and gas furnaces. Ensure compatibility of the crucible material with your furnace type and follow standard operating procedures for safe and efficient melting.Tell us about your requirement
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More Products in GOLD MELTING GRAPHITE CRUSIBLE Category
GOLD MELTING GRAPHITE CRUSIBLE
Price 1800.0 INR / Piece
Minimum Order Quantity : 1000 Pieces
Smell : Fragrant
Form : Other
Usage : MELTING GOLD & SILVER
Storage : Room Temperature
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