Brown Corundum Grit for Epoxy Flooring, Anti-Slip Coatings and Industrial Coatings

1. What Is Brown Corundum Grit?

Brown corundum grit is a hard, tough and angular abrasive grain used in flooring, blasting, grinding, coating and refractory applications. In international purchasing, it is also commonly called brown fused alumina grit, brown aluminum oxide grit, or brown corundum abrasive grit.

It is produced by melting bauxite in an electric arc furnace. After cooling, crushing, magnetic separation and screening, the material is graded into different particle sizes. For epoxy flooring and wear-resistant coatings, the commonly used material is grit, grain or aggregate rather than very fine powder.

This is an important point for buyers. Some customers search for brown fused alumina powder, but if the application is anti-slip flooring, broadcast aggregate or wear-resistant coating, brown corundum grit is usually the more accurate product name.

2. Why Brown Corundum Grit Is Used in Epoxy Flooring

Industrial floors are exposed to forklifts, carts, metal parts, tools, sand, dust and repeated foot traffic. A plain resin coating may wear, lose gloss, become slippery or fail too early in heavy-duty areas.

Brown corundum grit is added to flooring and coating systems to improve:

1. Abrasion resistance

2. Anti-slip performance

3. Impact resistance

4. Surface texture control

5. Mechanical strength

6. Service life in heavy-duty areas

Because brown corundum is hard and angular, it can create a tough wear-resistant surface when combined with epoxy or other resin systems. Compared with quartz sand, brown corundum grit offers higher hardness and better abrasion resistance, which makes it suitable for more demanding industrial flooring projects.

3. Main Applications

Epoxy Wear-Resistant Flooring

Used in factories, warehouses, machine shops, maintenance areas and forklift routes to improve floor durability.

Parking Ramp Anti-Slip Layers

Coarser brown corundum grit can be broadcast onto wet epoxy layers to increase tire grip and reduce slipping risk.

Industrial Platforms and Walkways

Used on steel platforms, maintenance walkways, stairs, steps and wet areas to create anti-slip surfaces.

Epoxy Mortar Systems

Brown corundum grit can be mixed into epoxy mortar as a hard aggregate to improve thickness, compressive strength and impact resistance.

Industrial Wear-Resistant Coatings

Finer brown corundum grit or powder can be added into industrial coating systems to improve scratch resistance and surface durability.

4. How to Choose Mesh Size

Particle size directly affects surface roughness, anti-slip level, cleaning difficulty and wear resistance.

16-30 mesh:

Suitable for heavy anti-slip flooring, parking ramps, loading areas and heavy-duty zones. The surface texture is strong, but cleaning is more difficult.

24-36 mesh:

Suitable for industrial ramps, wet areas, anti-slip walkways and heavy-duty workshop floors. This is a common coarse range for broadcast flooring systems.

36-60 mesh:

Suitable for general industrial wear-resistant flooring, workshop paths and warehouse floors. It provides a practical balance between abrasion resistance, anti-slip effect and cleaning convenience.

60-80 mesh:

Suitable for lighter anti-slip surfaces or flooring areas requiring a finer texture. It is easier to clean than coarser grit, but the anti-slip effect is lower.

80-120 mesh:

Suitable for fine wear-resistant coatings, topcoat reinforcement and industrial coating modification. It creates a finer surface and is not usually used as the main grit for strong anti-slip broadcast systems.

Above 120 mesh:

More suitable for industrial coating fillers, wear-resistant topcoats or formula adjustment, not for heavy anti-slip broadcast flooring.

5. Size Selection by Application Method

Surface Broadcasting

Recommended sizes:

24-36 mesh, 36-60 mesh, 60-80 mesh

Typical use:

Ramps, anti-slip walkways, parking areas and wet zones

Feature:

Strong anti-slip effect. Coarser grit creates a rougher surface.

Mixing into Epoxy Mortar

Recommended sizes:

16-30 mesh, 24-36 mesh, 36-60 mesh

Typical use:

Heavy-duty workshops, maintenance areas and forklift routes

Feature:

Improves coating thickness, compressive strength and impact resistance.

Adding into Topcoat or Industrial Coatings

Recommended sizes:

80-120 mesh, 120-220 mesh, 200 mesh, 325 mesh

Typical use:

Wear-resistant topcoats, equipment protection coatings and industrial paints

Feature:

Creates a finer surface and mainly improves abrasion and scratch resistance.

6. How Particle Size Affects Floor Performance

If the grit is too coarse:

The anti-slip effect is strong, but the surface is rougher, cleaning is more difficult, and more topcoat may be required.

If the grit is too fine:

The surface is smoother and easier to clean, but the anti-slip effect may not be enough for ramps or wet areas.

If the size distribution is unstable:

The finished floor may have uneven roughness, inconsistent appearance and unstable anti-slip performance.

If the dust content is too high:

Fine dust can affect resin wetting, coating appearance and site cleanliness.

7. What Buyers Should Check Before Purchase

When buying brown corundum grit for epoxy flooring and wear-resistant coatings, buyers should check:

1. Mesh size

2. Al2O3 content

3. Particle shape

4. Particle size distribution

5. Dust content

6. Magnetic material

7. Moisture

8. Bulk density

9. Packaging

10. Batch consistency

For large flooring projects, batch consistency is very important. If the grit size or dust content changes between batches, different areas of the same project may show different texture, color or anti-slip performance.

8. RFQ Information Buyers Should Provide

To receive a suitable recommendation and quotation, buyers should provide:

Product name:

brown corundum grit / brown fused alumina grit

Application:

epoxy flooring, anti-slip coating, wear-resistant coating, industrial coating

Application method:

surface broadcasting, mixing into mortar, adding into topcoat

Target effect:

strong anti-slip, normal wear resistance, fine surface or scratch resistance

Required mesh size:

16-30 mesh, 24-36 mesh, 36-60 mesh, 60-80 mesh, 80-120 mesh or other size

Order quantity:

sample, trial order or bulk order

Packaging:

25 kg bags, jumbo bags or palletized packaging

Destination:

country or port

Required documents:

COA, TDS or MSDS

Clear inquiry example:

We need brown corundum grit for epoxy flooring and anti-slip coating. Please recommend 36-60 mesh and 60-80 mesh for industrial floor application, and provide COA and quotation.

9. FAQ

Is brown corundum grit the same as brown fused alumina grit?

In most industrial abrasive purchasing, both terms can refer to brown fused alumina abrasive grit. Brown fused alumina grit is the more common international product name, while brown corundum grit is also understandable.

Can brown corundum grit be used in epoxy flooring?

Yes. It is used in epoxy floor broadcasting, anti-slip layers and epoxy mortar systems to improve abrasion resistance and surface grip.

What mesh size is used for epoxy flooring?

16-30 mesh and 24-36 mesh are often used for strong anti-slip areas. 36-60 mesh and 60-80 mesh are common for general industrial flooring.

Should industrial coatings use coarse grit or fine powder?

Coarse grit is suitable for anti-slip thick coatings. Fine grit or powder is more suitable for wear-resistant topcoats and scratch-resistant industrial coatings.

Is brown corundum grit better than quartz sand?

Brown corundum grit is harder and more wear-resistant than quartz sand, so it is better for high-performance industrial floors. Quartz sand is lower cost and suitable for general filling.

Should buyers test samples before bulk order?

Yes. Final flooring performance depends on resin system, application method, coating thickness, sealing layer and particle size. Sample testing is recommended before large-area use.

CTA:

If you are looking for brown corundum grit for epoxy flooring, anti-slip coatings, wear-resistant coatings or industrial coatings, please send your application method, target surface effect, required mesh size, order quantity and packaging requirement. We can recommend a suitable brown corundum grit grade and provide samples, COA and quotation.

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