1 Surface Treatment Type
2 Geometries and Surfaces to be Masked
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Free Sampling: Sandblasting: Industrial Masking

Masking Methods and Technical Requirements for Products Used in Sandblasting

In sandblasting, the main industrial masking methods include the use of masking plugs and caps, high-strength tapes, and protective films, depending on the type of abrasive, pressure, and areas to be preserved.
Plugs and adhesive dots (made of suitable materials) are used to close through holes and blind holes, preventing abrasive ingress and the consequent alteration of seats, tolerances, and internal surfaces.
Protective caps and tubes provide external protection for pins, ends, threads, and cylindrical surfaces, preventing dulling, scratches, and unwanted increases in surface roughness.
Sandblasting tapes, protective films, and rigid masks are used to define flat areas, edges, and complex profiles, ensuring a sharp separation between sandblasted zones and areas to be preserved.

Select the shape to protect:

Masking methods for simple blind holes | Euromask Free SamplingBlind Holes
Masking methods for simple through-holes | Euromask Free SamplingThrough Holes
Masking methods for pins without a shoulder | Euromask Free SamplingPins without shoulder
Masking methods for pins with a shoulder | Euromask Free SamplingPins with shoulder
Masking methods for flat profiles | Euromask Free SamplingFlat profile
Masking methods for irregular surfaces | Euromask Free SamplingIrregular surface
Masking methods for straight lines | Euromask Free SamplingStraight Lines
Masking methods for curved lines | Euromask Free SamplingCurved Lines
Masking methods for connectors | Euromask Free SamplingConnectors
Hooks for surface treatments | Euromask Free SamplingHooks
Masking methods for grooves | Euromask Free SamplingGrooves

Further Information

Sandblasting is a surface preparation process that uses a projected abrasive to clean, roughen, or level a surface prior to subsequent treatments (e.g., painting or technical coatings) or for finishing.
During the process, masking for sandblasting is essential to protect functional surfaces, threads, holes, sealing seats, bearing surfaces, and tolerance areas, preventing erosion, changes in roughness, and dimensional alterations.
The masking products for sandblasting must ensure stable performance during exposure to mechanical impact and abrasion; erosion resistance is an essential requirement to maintain effective protection until the end of the cycle.
A high level of resistance to abrasive leakage is also required: masking must limit underspray and infiltration, especially on edges, corners, and interfaces between the mask and the workpiece.
For tapes and films, controlled adhesion is important to withstand dust and vibrations without lifting, while allowing clean removal without residues at the end of the process.
Another key requirement is conformability on variable geometries (threads, radii, irregular shapes) and, where applicable, the reusability of plugs and caps to reduce time and cost in repetitive production runs.
An efficient masking solution is crucial for the reliability and final quality of the surface treatment.
Industrial masking makes it possible to protect threads, holes, functional surfaces, and mating areas.
Masking products for surface treatments include masking plugs, protective caps, adhesive dots, technical adhesive tapes, and masking tubing.
These devices must ensure high resistance to high temperatures.
Dimensional stability is essential during curing and drying cycles.
High chemical resistance to surface pre-treatments, such as degreasing and pickling, is also required.
The elasticity of the materials allows perfect adhesion even on complex geometries.
A key requirement is residue-free removal, in order to preserve the quality of the treatment.
The reusability of masking systems contributes to optimizing production costs.
Industrial surface treatments are essential processes for improving the protection, functionality, and durability of metal components.
Among the main surface treatment processes are powder coating, liquid coating, galvanizing, anodizing, cathodic electrodeposition (e-coating), sandblasting, and flame treatment.
These treatments provide corrosion resistance, electrical insulation, or surface conductivity, depending on the application.
During each industrial treatment, it is essential to define the areas that must not be treated.
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