NAC-500 High-Density Graphite Mini Crucible – Gold, Silver & Copper Melting for Kwik Kiln

Turn Your Recovered Gold Into Something You Can Hold!

You've spent hours prospecting, panning, and cleaning up your gold. Now you're ready to take the next step—melting your precious metal into a button, bar, or casting.

The NAC-500 Graphite Mini Crucible is designed for melting small quantities of precious metals using compatible Kwik Kiln systems.

Made from high-density NAC-500 graphite, this compact crucible provides a durable melting container for gold prospectors, precious-metal hobbyists, and small-scale metalworkers.

Whether you're melting fine placer gold, consolidating small gold nuggets, or preparing silver for casting, this is a practical replacement crucible to keep in your melting equipment kit.

Why Choose the NAC-500 Graphite Crucible?

• High-Density NAC-500 Graphite: Designed for durability during repeated melting and pouring cycles.

• Compact Mini Crucible Design: Ideal for small batches of precious metals.

• Gold Melting Capacity: Up to approximately 5 troy ounces of gold.

• Silver or Copper Capacity: Up to approximately 3 ounces, depending on material and operating conditions.

• Kwik Kiln Compatible: Designed for compatible small Kwik Kiln systems.

• KK-6 Compatible: Can also be used for smaller melts in the larger KK-6 with the appropriate configuration.

• Convenient Replacement: Keep an extra crucible available for future melting sessions.

• Useful for Multiple Metals: Suitable for melting properly prepared gold, silver, and copper.

Perfect for Gold Prospectors

Melt Fine Placer Gold

After recovering fine gold from your sluice box, highbanker, gold pan, or cleanup equipment, you may want to consolidate your gold into a single piece.

The NAC-500 crucible provides a compact container for melting appropriately cleaned and prepared placer gold.

Make Gold Buttons and Small Bars

Use the crucible to melt recovered gold before pouring into a compatible graphite ingot mold.

This is a convenient way to consolidate smaller pieces into a button or bar.

Small-Batch Silver Melting

The mini crucible can also be used for melting appropriately prepared silver, making it useful for small-scale casting and jewelry applications.

Jewelry and Precious-Metal Projects

For hobbyists working with known metal compositions, the NAC-500 offers a compact melting option without requiring a large crucible for every project.

Why High-Density Graphite Matters

Graphite is widely used in precious-metal melting because of its heat-handling properties and suitability for molten metal applications.

The NAC-500 material is designed for improved service life compared with ordinary graphite crucibles.

Its manufacturer advertises approximately twice as many pours as some standard graphite alternatives, although actual service life depends on heating technique, torch exposure, handling, and operating conditions.

Like all graphite crucibles, it is a consumable component that will eventually wear and require replacement.

Designed for Kwik Kiln Systems

The NAC-500 Mini Crucible is intended for compatible propane-fired Kwik Kiln melting equipment.

It can also be used for smaller melting jobs in the Kwik Kiln 6 (KK-6) when the kiln is configured appropriately.

Important: This crucible is not intended for use in microwave kilns.

Always confirm the dimensions and compatibility with your particular kiln before ordering.

Product Specifications

Metal capacities are approximate and depend on the material, fill level, and operating conditions.

Important Safety Information

Melting gold, silver, and copper involves extremely high temperatures and potentially dangerous molten metal.

• Use only with compatible melting equipment.

• Wear suitable heat-resistant protective equipment, face protection, and closed-toe footwear.

• Work in a properly ventilated area with appropriate fire precautions.

• Use crucible-handling tools designed for high-temperature work.

• Keep moisture and wet materials away from molten metal.

• Never place a cold, wet, or damaged crucible into service without following the equipment manufacturer's instructions.

• Do not use this small crucible for bulk ore smelting or unknown materials without verifying suitability.

• Allow the crucible to cool safely before handling or storage.

Frequently Asked Questions

How much gold can this crucible hold?

The advertised capacity is up to approximately 5 troy ounces of gold, depending on operating conditions.

Can I melt silver in it?

Yes. It is advertised for small silver melts of up to approximately 3 ounces.

Will it work in a Kwik Kiln 6?

Yes. The NAC-500 can be used for smaller melts in a suitably configured KK-6.

Can I use this in a microwave kiln?

No. This crucible is intended for compatible conventional Kwik Kiln equipment, not microwave kilns.

Is this crucible reusable?

Yes. It is designed for repeated melting cycles, although graphite crucibles gradually wear during use.

Does it include a kiln or melting tools?

No. This listing is for one NAC-500 graphite mini crucible only.

A Small Crucible for Your Next Big Gold Project

Whether you're melting placer gold recovered from your latest prospecting trip or preparing a small batch of silver for casting, the NAC-500 High-Density Graphite Mini Crucible is a useful addition to your precious-metal melting equipment.

Compact Size. High-Density Graphite. Built for Small Precious-Metal Melts.

Get your NAC-500 Mini Crucible from High Plains Prospectors and be ready for your next melting project!