Industrial
Copper Slag Abrasive

High-efficiency angular grit engineered for heavy-duty surface preparation and Sa3-compliant metal blasting.

Technical Matrix
High-Efficiency Blasting

The Standard for
Industrial Surface Prep

Copper Slag, also known as Iron Silicate, is a high-density abrasive media manufactured from refined metallurgical slag. Unlike traditional sand, copper slag is an aggressive, angular abrasive that offers superior cutting performance for heavy-duty surface preparation.

As direct manufacturers and exporters, our copper slag is hydro-washed and screened to provide a sharp, dust-free grit. Its high-density profile and sharp angularity allow for rapid removal of rust, old coatings, and mill scale, making it the top choice for shipbuilding, bridge maintenance, and heavy industrial fabrication.

Sa3 Blasting Prep

Cleanest metal surfaces

Recyclable Grit

Eco-conscious industrial reuse

Copper Slag Abrasive Grit
7.5+

Mohs Hardness

Technical Data

Standard Grit
Specification Matrix

Smart Well Fluid Copper Slag is processed following international SSPC and ISO requirements to ensure maximum surface anchoring profiles.

Stock Mesh Sizes

0.2-1.0mm (Fine), 0.5-2.0mm (Medium), 0.5-3.0mm (Coarse).

Specification Parameter Industrial Grade Value Standard Method
Hardness (Mohs Scale) 7.0 – 8.0 Typical Mohs Scale
Bulk Density 1.8 – 1.9 g/cc ASTM D7481
Specific Gravity 3.3 – 3.8 g/cc Typical ASTM D854
Free Silica (Quartz) < 1.0% (Non-Inhalable) Chemical Analysis
Chlorides (Water Sol.) ≤ 25 ppm Max ASTM D4940
Moisture ≤ 0.5% Max Standard Gravimetric
Material Advantages

Designed for
Maximum Abrasive Impact

Superior Cutting Power

The sharp, angular grains of copper slag cut through heavy rust and marine coatings 40% faster than traditional rounded sand.

Low Dust Emission

Triple-washed and screened to remove fines, ensuring better visibility during indoor blasting and reducing health risks.

Non-Hazardous Profile

Free from free-silica and toxic metals, making it far safer for operators and more environmentally friendly for disposal.

Scale Your Surface Prep with
Direct Factory Pricing

Exporting premium grit to shipyards and industrial hubs worldwide since 2005.

Engineering Matrix

Application-Specific
Data Matrix

Sandblasting

Sandblasting is a general term used to describe the act of propelling very fine bits of material at high-velocity to clean or etch a surface. A sandblasting setup usually consists of three different parts: the abrasive itself, an air compressor, and a blaster nozzle.

QUALITY
100%
APPLICATION RANGE
1
LESS THAN FINE
0.1MM – 0.4MM
2
FINE
0.2MM – 0.85MM
3
MEDIUM
0.2MM – 1.40MM
0.2MM – 1.70MM
4
COARSE
0.5MM – 2.0MM
5
COARSE
0.2MM – 2.50MM
6
COARSE
0.5MM – 2.50MM

Corrosion Removing

Corrosion is a process that takes place when essential properties within a given material begin to deteriorate, after exposure to elements that recur within the environment.

QUALITY
100%
APPLICATION RANGE
1
MEDIUM
0.2MM – 1.40MM
2
MEDIUM
0.2MM – 1.70MM
3
Coarse
0.5MM – 2.0MM
4
Coarse
0.2MM – 2.50MM
5
Coarse
0.5MM – 2.50MM
6
Marine Heavy
1.00MM – 3.00MM

Pipeline Blasting

Forcible propulsion of abrasive stream to smooth surfaces or remove contaminants in pipeline infrastructure using centrifugal or air systems.

QUALITY
100%
APPLICATION RANGE
1
FINE
0.2MM – 0.85MM
2
MEDIUM
0.2MM – 1.40MM
3
Medium
0.2MM – 1.70MM

Surface Preparation

Total system approach for industrial and commercial surface finishing. Ensuring the substrate is perfectly etched for maximum coating adhesion.

QUALITY
100%
APPLICATION RANGE
1
FINE
0.2MM – 0.85MM
2
FINE
0.5MM – 1.40MM
3
Medium
0.2MM – 1.40MM
0.2MM – 1.70MM

Paints Removals

Specialized stripping of heavy industrial coatings. Handling everything from basic paint removal to aggressive rust and old protective layer stripping.

QUALITY
100%
APPLICATION RANGE
1
FINE
0.2MM – 0.85MM
2
MEDIUM
0.2MM – 1.40MM
3
Medium
0.2MM – 1.70MM
Abrasive FAQ

Grit Media
Technical Guidance

Need advice on anchor profile depth or nozzle pressure for copper slag? Connect with our material engineers directly.

Technical Factory Line

Direct Factory Support

Silica sand contains over 99% free silica. When blasted, it breaks down into microscopic dust that can cause Silicosis, a serious lung disease. Copper slag contains less than 1% free crystalline silica, making it significantly safer for operators when used with proper PPE.

Sa3 is the highest level of surface preparation, also known as "White Metal Blast Cleaning." It requires 100% removal of all visible rust, scale, and foreign matter. Our high-angularity copper slag provides the cutting power necessary to achieve Sa3 profiles on heavy industrial steel.

Yes. Due to its high hardness (Mohs 7+), copper slag can typically be recycled 2 to 3 times before the grains break down into fines. This provides a clear economic advantage over softer abrasives.

India’s Premier Source for Industrial Copper Slag Grit Manufacturing

Copper slag abrasive grit remains the workhorse of global marine and industrial surface preparation. Its sharp, multi-angular geometry provides superior impact energy concentration compared to rounded alternatives, allowing for high-performance anchor profiles that ensure industrial paint systems adhere perfectly. This "mechanical key" is essential for long-term corrosion protection in harsh offshore and coastal environments.

Smart Well Fluid operates a direct manufacturing facility in India, ensuring that all copper slag grit is hydro-washed to remove soluble chlorides and dust fines. This commitment to purity ensures that your blasted surfaces remain free from flash rust before coating application. With direct logistical shipping to global ports, we provide a reliable, technical supply chain for massive infrastructural projects from Mumbai to Southeast Asia and beyond.