---
product_id: 51362247
title: "Black Oxide Concentrate - 5 Gallon"
brand: "caswell"
price: "Rp13012200"
currency: IDR
in_stock: false
url: https://www.desertcart.id/products/51362247-black-oxide-concentrate-5-gallon
store_origin: ID
region: Indonesia
---

# 5 gal concentrate = 45 gal solution Blackens steel & iron flawlessly Room temp use, no heaters needed Black Oxide Concentrate - 5 Gallon

**Brand:** caswell
**Price:** Rp13012200
**Availability:** ❌ Out of Stock

## Summary

> ⚙️ Elevate your metalwork game—blacken smarter, not harder!

## Quick Answers

- **What is this?** Black Oxide Concentrate - 5 Gallon by caswell
- **How much does it cost?** Rp13012200 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/51362247-black-oxide-concentrate-5-gallon)

## Best For

- caswell enthusiasts

## Why This Product

- Trusted caswell brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Finish Ready:** Post-blackening sealing ensures durable, professional-grade corrosion resistance.
- • **Mix & Match Convenience:** Dilute 1:9 with distilled water for a ready-to-use bath that lasts and lasts.
- • **Safe & Compliant Shipping:** Ground shipping within Continental USA keeps your workspace hazard-free and compliant.
- • **Maximized Coverage Efficiency:** One gallon of concentrate blackens up to 1200 sq. ft., scaling your projects with ease.
- • **Effortless Industrial Blackening:** Transform steel & iron surfaces with a simple room-temp soak—no heat or fumes required.

## Overview

Caswell's Black Oxide Concentrate is a 5-gallon liquid solution designed to blacken steel and iron parts efficiently at room temperature without hazardous fumes or heating. When mixed 1:9 with distilled water, it yields 45 gallons of blackening bath, covering up to 1200 sq. ft. per gallon of concentrate. Ideal for professional metal finishing, it requires sealing after treatment for lasting corrosion protection. Shipping is ground-only within the Continental USA due to hazardous material regulations.

## Description

Blackens steel and iron parts (not stainless steel). Parts must be sealed after blackening. Use our Penetrating Sealer or Caswell Sealer. (not included)Mix 1 part Concentrate with 9 parts distilled water. 5 gallons of concentrate makes 45 gallons of blackening solution. Parts Coverage - 600 to 1200 sq. ft. of surface area blackened per gallon of concentrate.Immerse the part in the mixed Black Oxide Solution and swirl around for between 30 seconds and 5 minutes. Remove the part from the solution and rinse in fresh water. Use at room temperature.Contains Hazardous Goods. Shipping restrictions apply. Ground shipping only to the Continental USA.

## Features

- Blackens Steel & Iron (not stainless steel)
- Room Temperature Solution - No Dangerous Fumes Or Heaters Requred
- 5 Gallons of Concentrate Makes 45 Gallons Total Bath
- Mix With Distilled Water
- Blackened Parts Require Sealing After Blackening

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B073WJXQ1W |
| ASIN  | B073WJXQ1W |
| Brand Name | Caswell |
| Date First Available  | July 12, 2017 |
| Is Discontinued By Manufacturer  | No |
| Item Form | Liquid |
| Item Weight | 55 Pounds |
| Manufacturer | Caswell Inc |
| Manufacturer  | Caswell Inc |
| Number of Items | 1 |
| Package Dimensions  | 17 x 12 x 12 inches; 55 Pounds |
| Part Number | BOCONC5G |
| Surface Recommendation | Alloy Steel, Metal |

## Product Details

- **Brand:** Caswell
- **Item Form:** Liquid
- **Item Weight:** 55 Pounds
- **Number of Items:** 1
- **Surface Recommendation:** Alloy Steel, Metal

## Images

![Black Oxide Concentrate - 5 Gallon - Image 1](https://m.media-amazon.com/images/I/71Gas2WqWeL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.id/products/51362247-black-oxide-concentrate-5-gallon](https://www.desertcart.id/products/51362247-black-oxide-concentrate-5-gallon)

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*Product available on Desertcart Indonesia*
*Store origin: ID*
*Last updated: 2026-07-23*