Numis Patina Black Soak

Product Photo

Usage Scenario

Perfect for restoring or creating natural-looking patinas on copper coins, antiques, or metal crafts. Whether you want to:craft exquisite “Heiqi Gu” (black lacquer-like) patina to hide coin flaws,
achieve rich coffee-colored patina for a vintage look,restore natural patina on silver coins (silver-copper-tin alloy) or copper items like brass, red copper, bronze, and copper alloys.

Product Introduction

Blackening Agent: 100ml bottle, enough to patina 800-1000 coins.Reusable: The patina liquid remains effective until fully consumed, offering long-term value.Fast-Acting: On clean surfaces, achieves noticeable blackening in as fast as 3 seconds.Safe and Versatile: Works on all copper-based materials, including alloys, to create uniform, beautiful patinas.

Usage

1. For “Heiqi Gu” Black Patina
Ensure the coin surface is clean.Dip a cotton swab or brush into the liquid and apply directly to the coin.Wait 3 seconds for instant blackening, then use a tissue to wipe gently for a glossy finish.
2. For Light Coffee-Colored Patina
Dilute the liquid with water at a 1:3 ratio in a container.Immerse the coin in the solution (soaking time depends on desired shade).Remove with tweezers, blot excess liquid with a paper towel, and polish gently with a tissue for a smooth, elegant patina.
3. For Weak Results
If the blackening effect is insufficient, extend the soaking time until the desired color is achieved.

Note: The liquid works best on clean, oil-free surfaces. Store in a cool, dry place away from children.