When a DMLS or SLS component comes off the build plate, un-sintered and partially sintered powder is locked inside complex internal channels. Dry blasting forces air and abrasive through those channels without any mechanism to carry the dislodged powder out. In a complex internal geometry, you can compact loose powder further into the channel rather than remove it. The blockage remains, with no visible sign anything has gone wrong.

Wet blasting works differently. The slurry of water and abrasive media acts as a carrier fluid. It loosens the powder and transports it out with the flow. When slurry exits a cleared internal channel, it's visible. That is the only built-in confirmation mechanism available to the operator that the channel is genuinely clear, not just blasted.

Learn more about the benefits of finishing additive manufactured components by wet blasting

When a composite component leaves the autoclave, its surface is working against you. The resin matrix leaves a hydrophobic layer that causes paint, lacquer, and protective coatings to bead rather than wet out. Apply a coating to that surface and you're not painting carbon fibre, you are painting a contamination layer.

The consequences show up later: delamination, uneven coverage, premature coating failure, and rework on components that weren't cheap to produce in the first place.

Wet blasting resolves this in a single controlled operation. The abrasive media, suspended in water, removes the waxy residue and simultaneously creates a controlled surface roughness profile, giving paint the mechanical key it needs to anchor properly. The water cushion prevents fibre damage throughout, which matters when structural integrity can't be compromised for the sake of surface finish. Static charge, which would otherwise attract recontamination, is eliminated at the same time.

The result is a hydrophilic surface where coatings wet out completely rather than bead. In our testing, a single pass takes water contact angle from the mid 80s down to 43 to 48 degrees. That surface remains stable and bond-ready for over two weeks.

Manual sanding introduces variability and cuts fibres on low-resin prepregs. Dry grit blasting leaves static charge and recontamination risk. Wet blasting is the only method that addresses surface chemistry, surface profile, and cleanliness simultaneously, without compromising the substrate.

Learn more

As-printed titanium or Inconel components typically carry a surface roughness of 15 to 20 microns. Many aerospace and medical specifications demand 1.6 or below. That gap does not close itself, and the wrong finishing process will cost you far more than the print.

This is where wet blasting does what no alternative process can replicate in a single operation.

The water-borne slurry cushions the abrasive impact, protecting tight tolerances whilst the media works the surface with genuine precision. Media concentration, air pressure, nozzle angle, and dwell time are each independently controllable. The result is a specific Ra, delivered to specification, across the entire component including recesses and internal channels that dry blasting, chemical etching, and mass finishing cannot reliably treat.

There is also a confirmation mechanism built into the process that matters: when wet blast slurry exits a cleared internal channel, you can see it. There is no equivalent in dry blasting, where un-sintered powder can be compacted further into a channel without any visible indication.

If your AM operation is scaling to production volumes, the finishing process needs to keep pace with the printer. We can show you how.

Learn more about the applications and advantages of wet blasting for AM components

Most manufacturers invest heavily in the first three. The fourth is where quality variation most often hides, and where wet blasting makes a big difference.

Vapormatt's wet blasting process handles the complete finishing sequence for solid carbide tools, from blank through to post-coat treatment, on a single platform:

• Edge radius held to +/-2um tolerance across the batch
• Independent control of rake and clearance faces via programmable nozzle parameters
• HF1 coating adhesion, the highest rating on the standard scale
• Post-coat PVD droplet removal for a measurably lower Ra and a coating that performs as designed

That last point matters more than it is often given credit for. A tool that leaves the coating stage with droplets on the surface will underperform from the first cut, regardless of how well everything else was done.

Decades of process development in this application, across manufacturers of all sizes, inform every recipe we develop, from first application trial through to production commissioning.

We will be at GrindingHub 2026, Hall 9, Stand E23. If you are working on tool performance, coating adhesion, or batch consistency, come and talk to us.

Endosteal 
• Typical substrate: CNC-machined titanium rod / bar (commercially pure or Ti alloy); less commonly zirconia from a ceramic block 
• Finishing issue: CNC tool marks + micro-burrs; coolant/oils; possible retained grit/residues after blasting 
• Wet blast: Final clean + gentle deburr + uniform matte/microtexture; good flushing of threads / undercuts.

Subperiosteal 
• Typical substrate: Additively manufactured (powder-bed fusion) titanium, sometimes with machined interface features 
• Finishing issue: Trapped powder/partially fused particles; high as-printed roughness; support scars; hard-to-reach crevices 
• Wet blast: Excellent for depowdering/cleaning complex geometry; helps level to a more uniform finish.

Transosteal 
• Typical substrate: CNC-machined plate/screw components; often titanium alloy in classic “staple” designs (some variants reported in other alloys) 
• Finishing issue: Sharp edges / burrs; crevices trap residues 
• Wet blast: Edge conditioning and cleaning without dry-blast dust; useful for flushing crevices.

Zygomatic 
• Typical substrate: CNC-machined extra-long titanium implant blank (commercially pure Ti or Ti alloy) 
• Finishing issue: Long threads increase residue retention risk; consistency over full length 
• Wet blast: Thorough cleaning / flushing and consistent conditioned finish along long threads.

Pterygoid 
• Typical substrate: CNC-machined long / angled titanium implant blank (commercially pure Ti or Ti alloy) 
• Finishing issue: Long/angled geometry complicates cleaning; micro-burrs can persist 
• Wet blast: Controlled deburr and cleaning in complex thread forms / recesses.

Narrow-diameter / “Mini” 
• Typical substrate: CNC-machined titanium alloy rod/bar stock 
• Finishing issue: Sensitive to over-finishing (feature rounding/thread damage); needs gentle, repeatable finishing 
• Wet blast: Process-controlled cleaning / deburr with a controlled matte finish.

Short implants 
• Typical substrate: CNC-machined titanium rod/bar (commercially pure Ti or Ti alloy) 
• Finishing issue: Less surface area means tighter control of final surface state; dense threads can retain residues 
• Wet blast: Consistent cleaning / conditioning, especially for dense threads.

One-piece 
• Typical substrate: CNC-machined titanium from rod / bar, or zirconia milled/ground from a ceramic blank
• Finishing issue: Harder to zone-finish; plaque-facing zones usually need smoother finish than bone-facing 
• Wet blast: Selective finishing / cleaning with masking / controls to manage zones.

Two-piece 
• Typical substrate: CNC-machined titanium implant body + CNC-machined titanium / Ti-alloy abutment blank 
• Finishing issue: Protect precision connection surfaces; retained residues / contamination and tolerance change risks 
• Wet blast: Mask precision interfaces; clean / condition implant...

Carbide tool performance is often decided by what happens at the surface and the cutting edge. A small burr, the wrong edge hone, or inconsistent coating preparation can mean heat build-up, chipping, unstable chip formation and shorter tool life. 

Wet blasting is highly effective at controlling those details reliably, at production scale, and without compromising tool geometry.

Typical applications

• Cleaning and deburring tools after manufacture or re-grinding
• Precision edge honing to a defined radius and K-factor profile
• Surface preparation to achieve the right Ra and cleanliness for PVD and other coatings
• Post-coating finishing to remove droplets and surface defects for smoother cutting
• Peening coatings to convert tensile stress into compressive stress for greater durability
• Selective coating removal where specific surfaces need different thermal or cutting behaviours

Key advantages

• More robust edges with less chipping, curling and micro-cracking
• Longer tool life, fewer tool changes, and more predictable machining outcomes
• Better coating adhesion and more consistent coating performance
• Improved chip formation, reduced vibration, and less built-up edge
• Lower dust and noise, plus recycling of media and water for a cleaner operation

If you finish carbide tools then learn more by visiting our dedicated cutting tool insert and round shank tool website pages

Wet blasting has proven to be particularly well suited to medical and dental implants because it balances surface functionality with process control.

Key reasons it works so well:

• Controlled surface texture - Wet blasting creates a consistent, repeatable surface that supports osseointegration without aggressive material removal.

• Clean, contamination-free processing - The use of water suppresses dust and heat, eliminating the risk of embedded media or surface damage.

• Gentle on complex geometries - This is especially valuable for fine features, internal channels, and thin sections.

• Compatible with modern manufacturing routes - Additively manufactured implants often have complex lattices and rough as-built surfaces. Wet blasting allows these to be refined and thoroughly cleaned while preserving the design intent.

For dental implants in particular, the ability to tune surface roughness while maintaining tight tolerances makes wet blasting an attractive and reliable option.

As implant designs continue to evolve, especially with additive manufacturing, surface finishing methods that offer precision, cleanliness, and repeatability will only grow in importance.

Learn more about our wet blasting solutions for medical and dental implants

When reliability depends on what you can't see, surface preparation becomes critical.

Wet blasting is a trusted method for preparing jet engine components for non-destructive testing (NDT), delivering inspection-ready surfaces without the risks associated with aggressive dry blasting.

Why teams choose wet blasting for jet engine component NDT preparation:

• Cleans and prepares components in a single, controlled step

• Removes oils, grease, carbon, corrosion, oxides and heat scale

• Does not smear or peen over cracks, improving defect detectability

• Avoids media embedment that can interfere with inspection results

• Produces a clean, uniform matte finish for reliable inspection

• Provides a low-dust, safer working environment

• Delivers repeatable results through automation and process control

This makes it well suited for preparing fan blades, compressor and turbine blades, discs, blisks, shafts and casings ahead of:

• FPI / LPI / penetrant testing

• MPI

• Eddy current, ultrasonic and radiographic inspection

• Visual inspection

Used worldwide by MROs, OEMs and manufacturers, our wet blasting machines help teams achieve consistent inspection quality, reduce rework, and maintain compliance with aerospace quality frameworks.

As an example one of our customers reported cycle times reduced from ~ 3 hours when manually preparing disks to ~20 minutes using one of our Leopard cub automated wet blasting machines. They also eliminated the risk of operator variation and errors that could result in very expensive components being scrapped.

Learn more

Composite propeller blades require surface treatments that are precise, repeatable, and material-safe. Wet blasting is the perfect solution for achieving this balance.

Here's how wet blasting is applied, and why it delivers clear advantages.

Key applications

• Surface preparation prior to painting, coating, or bonding

• Removal of old coatings, oxidation, and light contamination

• Uniform surface texturing to improve adhesion

• Cleaning complex geometries without damaging fibres or resin systems

Advantages over dry blasting

• Reduced aggressiveness - The water cushions the abrasive, minimising fibre exposure and resin damage.

• Consistent surface finish - Produces a smooth, even texture across the blade, including leading edges and tight radii.

• Improved process control - Lower heat generation and reduced static make results more predictable.

• Cleaner and safer operation - Dust is suppressed, improving visibility, operator safety, and environmental control.

• Longer component life - Less material removal helps preserve structural integrity and aerodynamic performance.

For composite propeller blades, wet blasting supports both quality and longevity.

Learn more