Glass bead blasting

A uniform satin surface finish achieved by projecting glass microbeads. Aesthetic uniformity, hygienic preparation and removal of manufacturing marks.

Professional surface finishing

We specialise in blasting stainless steel with glass microbeads, a process that deep-cleans parts and removes any impurities.

This treatment guarantees uniform finishes, improves corrosion resistance and increases the durability and appearance of the material. It is an essential finish in sectors such as food, pharmaceutical and construction.

Key benefits

Aesthetic uniformity Homogeneous satin finish
Hygiene Easy-to-clean surface
Mark removal Welding, polishing, handling
Surface preparation Ideal before passivation

Blasting process

A controlled methodology for uniform, repeatable finishes.

Preparation

Prior cleaning of the surface to remove grease, oils, dust and any contaminants that could affect the finish.

Solvent degreasing
Weld cleaning
Complete drying
Masking of sensitive areas

Blasting

Glass microbeads projected with compressed air under controlled pressure, distance and angle of incidence.

Controlled pressure 2-6 bar
Optimal distance 15-30 cm
Angle 45-90°
Uniform passes

Cleaning

Removal of microbead residue, dust and particles by compressed-air blow-off and a final clean.

Filtered air blow-off
Cavity vacuuming
Thread cleaning
Visual inspection

Verification

Checking finish uniformity, surface roughness and the absence of defects or untreated areas.

Full visual inspection
Uniformity check
Roughness measurement
Parameter logging

Expected results

Surface comparison before and after glass bead blasting.

Before blasting

Proceso de granallado con microesfera de vidrio

Visible weld marks
Irregular, non-uniform finish
Handling scratches and scuffs
Mixed glossy and dull areas

After blasting

Uniform satin finish
Weld marks removed
Homogeneous, defect-free surface
Professional aesthetic appearance

Finish parameters

Roughness Ra 0.4 - 0.8 μm Fine satin finish

Uniformity ≥ 95% Surface coverage

Microbead 80 - 120 mesh Standard grain size

Finish gallery

Examples of parts treated with glass bead blasting.

Blasting equipment in operation

Glass bead blasting carried out in a professional cabinet.

Professional blasting cabinet

A demonstration of the complete process in an enclosed cabinet with microbead recovery and recycling, pressure control and dust extraction. The operator, in full protective equipment, applies a uniform treatment to a stainless steel part.

Industrial value of blasting

Tangible benefits for final product quality and process efficiency.

Cost reduction

Manual polishing and finishing steps are eliminated, cutting labour time and cost.

-40% Finishing time vs. manual polishing

Repeatability

Uniform, repeatable finishes across production runs, guaranteeing consistent quality.

≥ 95% Part-to-part uniformity

Added value

A substantial improvement in the appearance and perceived quality of the final product.

+30% Perceived product value

Need professional surface finishing?

We offer glass bead blasting for individual parts or production runs. Ask us for technical information, a finish sample or a quote.

Get in touch Request a quote

Contact

For technical enquiries about blasting, sample requests or quotations.