Water Jet Cutting Media Emergy

Angular Shape

Emery Water jet cutting

Blasting Materials distributed by GritSablare are characterized by outstanding quality. This quality is reflected in an above-average service life, a very high productivity and value retention.

Emery: An ideal abrasive for Water Jet Cutting

  • Natural rock, chemically stable, with superior hardness 7.8 - 8 on Mohs scale, this mineral is an ideal abrasive for water jet cutting machines.
  • This material is a natural mix of Almandine rock Fe3Al2(SiO2) with Mg and Mn in partial substitution for Fe, and other mineral traces.
  • The multi-faceted particles of the material, with sharp edges, have superior cutting properties for different types of materials.
  • Considering type, Emery cuts easily through hard materials, from Steel and Stainless Steel, to Rock and Granite.
Ecological Product
In accordance with
  • 80 Mesh
  • 120 Mesh
  • Bags of 30 Kg
    [All types]
  • The material must be stored in a dry place.
Blasting Materials Recovery for Neutralization

We offer comprehensive blasting waste recovery services for neutralization. For further details, please contact us.

Water jet cutting

Emery Description

60 Mesh
Emery 60 Mesh brings the most powerful cutting performance and speed used when cutting speed is more important than edge quality. Use to cut thick stainless steel, titanium and stone.
Package: Bags of 30 Kg
80 Mesh
Emery 80 Mesh provides the greatest versatility for a wide variety of applications Offers fast cutting speed and good edge quality. Use to cut wide variety of materials, including all metals, composites, ceramics and stone.
Package: Bags of 30 Kg
120 Mesh
Emery 120 Mesh offers superior edge quality and cutting speed. Used for net shape cutting applications to eliminate secondary finishing. Use to cut steel, aluminum, glass, ceramics, laminates, composites and other brittle materials.
Package: Bags of 30 Kg

Emery Water Jet Cutting Machines
Emery: Ideal for Water Jet Cutting Machines
  • Emery is an ideal mineral rock for water jet cutting machines due to a unique series of features of hardness, density, friability and particle shape:
    1. Hardness. Water jet cutting needs an optimal balance between the cutting force and the wear of the cutting machine parts. A soft abrasive prolongs the life of the nozzles, but slows down the cutting. An abrasive too tough increases the cutting speed, but erodes the nozzles too quickly, leading to dead operating times and increases in the costs of repairing machine parts. The hardness of emery is about 7.5 - 8 on Mohs scale, which effectively balances the need to cut quickly, but also provides a reasonable operating lifetime for the equipment;
    2. Density. The cutting force of water jet machine is a function of two factors: the weight of the abrasive multiplied by the velocity. The ideal abrasive has the greatest weight that water can accelerate to maximum velocity, offering ultimate cutting speed. An abrasive that is too light will not cut the material and a material that is too heavy will not accelerate to the maximum velocity, slowing down the cutting speed. Emery is almost four times heavier than the water, a value that falls in the optimal range for both cutting and acceleration;
    3. Friability. Emery with its semi-friable nature that makes it fracture in angular particles with sharp edges when passing through the nozzle, provides superior cutting speed than any other abrasive material;
    4. Particle shape. It has been found that the angular shape with multiple sharp edges like the shape of Emery, is the most suitable for high cutting speeds.
Physical and Chemical Properties
Appearance: Reddish brown to pink grains
Particle Shape: Sub-rounded to angular
Avg. Bulk Density: 2.24 – 2.4 g/ml
Specific Gravity: 3.9 – 4.1 g/cm3
Hardness: 7.5 – 8 Mohs
Melting Point: 1250 °C
Reactivity: Inert
Chemical composition Standard Typical
Al2O3: 20 – 28% 22.29%
SiO2: 35 – 40% 36.5%
FeO: 22 – 29% 28.3%
MgO: 2 – 8% 6.5%
CaO: 1 – 4% 1.9%
In accordance with OSHA, USA

This material is a natural mixture of almandine garnet Fe3Al2(SiO2) with Mg and Mn in partial substitution for Fe in the formula, and other trace minerals. The substances are present and regulated by OSHA (Occupational Safety and Health Administration), an agency of the United States Department of Labor.

Ecological Product
Emery for water jet cutting machines provided by GritSablare is an ecological material, with no negativ impact on the environment. The raw material used is made of natural almandine rock, mined and further processed to obtain a high quality product.

Emery Application

Emery, water jet cutting machines
Emery: an Ideal Abrasive for Water Jet Cutting Machines
A water hose sprays the water outdoor in a powerful manner, and if you add more pressure, the water force increases significantly. Same principle applies to water jet cutting machines: the water is shot through a narrow hole at very high pressure, ensuring water with a significant power to cut into the substrate. Mix the water with a hard abrasive like emery and the cutting force increases exponentially, being able to cut with extreme precision, almost any type of material, from cardboard and rubber to ceramic, steel, titanium, stone and quartz.

Emery User Safety

Emery is a safe, ecologic and stable material. It does not need special attention while handled. Wearing personal protection equipment is necessary, as well as avoiding eye contact. Storing this material does not require special conditions. All it needs is a good air ventilation in the storage space.

In case of inhalation, the affected person must be taken out, to fresh air, and kept in a comfortable position so he/she can breathe properly. If he/she has difficulties breathing, oxygen can be administered. If he/she stops breathing, CPR manoeuvres can be performed. In this case, a medical intervention is also necessary.

Avoid direct contact with the skin. If your skin entered in direct contact with this abrasive material, you must wash the affected area with clean water for 20 minutes. Use a soft soap and clean water.

In case of ingestion, a doctor’s intervention is necessary. All treatments applied to the victim must take into account the symptoms showed by that victim.

Avoid walking through the material and always wear personal protective equipment. In case of leakages, one must insulate the area on an approximately 25 meters radius in all directions. It is forbidden to spill this material in water. Please avoid dust. Use professional vacuum cleaners to clean the area.

An Ideal Abrasive for Water Jet Cutting


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