Caswell Stainless Steel Blackening Kit With Sealer

Stainless Steel Chemical Blackening with the Caswell Stainless Steel Blackening Kit with Sealer

The Caswell Stainless Steel Blackening Kit is designed for chemical blackening of stainless steel and comes with a sealer for extra protection of the black oxide conversion coating. Original product: Caswell Stainless Steel Blackening Kit

Features of the Stainless Steel Chemical Blackening Kit

• Complete package for the fast and controlled blackening of stainless steel at room temperature.
• Suitable for stainless steel 300 and 400 series, activation recommended for an even result.
• Includes water-based acrylic sealer for optional extra protection and appearance.
• Suitable for hobbyists and small professionals, no special equipment required.
• Clear manual included.

Most important properties of Stainless Steel Blackener

• Starting mixing ratio: 1:3 (1 part concentrate to 3 parts water). For difficult stainless steel alloys: 1:2, 1:1 or undiluted.
• Process time: usually 2–5 minutes until the desired gray to gray-black color is achieved.
• Activate: necessary for an even finish on most stainless steel types.
• Sealer: optional for extra corrosion protection or gloss.
• No noticeable size change, suitable for precision parts.

Contents of the Stainless Steel Chemical Blackening Kit

• Caswell Black Stainless Steel Oxide Concentrate from Caswell Plating USA
• Caswell Sealer on acrylic basis
• Lockable bucket
• Gloves
• Distilled water
• Manual

Available in:

• 2 liter kit with 1 liter sealer
• 4 liter sealer with 2 liter sealer
• 8 liter kit with 4 liter sealer

Using the Stainless Steel Chemical Blackening Kit

1. Mix the concentrate with distilled water according to the desired ratio.
2. Degrease and clean thoroughly. Activate if necessary and rinse well in a designated container.
3. Immerse the part for 2–5 minutes or work with a brush/sponge until the desired color is achieved.
4. Rinse in a designated container, not under the tap.
5. Sealing: optional, apply directly while the surface is still wet.
6. Allow to dry and treat according to the sealer manual if applied.

Frequently asked questions

• What color will I get? Finish ranges from gray to iridescent gray-black, depending on the stainless steel type and preparation.
• Do I always have to activate? Highly recommended, especially with stainless steel from the 300 series.
• Is sealing mandatory? No, stainless steel is naturally rust-resistant; Sealing is optional for extra protection or appearance.