Insights & Guides
Bristle-Type Power Tool Preparation in Japan's WSP 072-2026 for Water-Pipe Field Joints
WSP 072-2026, the Japan Water Steel Pipe Association's method for solvent-free epoxy coating of internal field-welded joints in steel water pipes, illustrates...
Spot Repairs and Field Joints: A Practical SSPC-SP 11 Checklist
Spot repairs and field joints are small areas with big consequences. A sound repair follows the same steps every time: remove oil...
Water-Driven Underwater Surface Preparation: Bristle Blaster® Subsea in Japan
MontiPower Japan carried out the first field test in Japan of a water-driven underwater surface preparation system, for offshore wind construction and...
Japanese Cleaning Grades (1種・2種ケレン) vs ISO 8501-1 and SSPC
Japanese steel repainting specifications use their own cleaning grades, such as 1種ケレン and 2種ケレン (1st- and 2nd-class keren), alongside ISO 8501-1 and...
Bristle Blaster® + Tercoo®: The 2-in-1 Surface Preparation System
The 2-in-1 system pairs two MontiPower tools on one drive unit: Tercoo® removes heavy coatings and rust, then the Bristle Blaster® cleans...
Rotating Tools for Blast-Free Steel Preparation
Rotating tools for blast-free steel preparation fall into three groups. Rubbing tools (wire wheels, cup brushes, non-woven discs) clean loose rust and...
Environmentally Friendly Mill Scale Removal Guide
The most environmentally friendly way to remove mill scale is the method that produces the least secondary waste for the grade you...
Understanding Mechanical Descaling for Mill Scale
Mechanical descaling removes mill scale by physical force rather than by acid or heat. There are three mechanisms: abrasion (grinding and sanding...
How to Remove Mill Scale from Small Steel Areas
To remove mill scale from a small steel area: confirm the required grade, degrease the area, test whether the scale is tightly...
The Complete Guide to Blasting Alternatives for Steel
Blasting alternatives for steel are surface preparation methods that clean steel before coating without propelling loose abrasive. They fall into five groups:...
What to Know About Blasting Alternatives for Steel
the main alternatives to abrasive blasting for steel are hand and power tool cleaning, impact power tools (needle scalers, rotary impact flaps...
Research study: qualifying offshore-wind repair coatings — and the surface-prep step behind them (RepaKORR)
RepaKORR was a German research project, funded by the Federal Ministry of Education and Research (BMBF) and coordinated by Muehlhan, that developed...
Application note: removing AerFilm® aircraft-interior laminates with the Vinyl Zapper®
To remove Schneller AerFilm® LHR® or flex® laminates, warm the film (about 65–100 °C for PSLHR adhesive, above 110 °C for HA211)...
One System, Every Substrate: A Field Reference for Metals, Materials and Actions
Mechanical surface preparation covers far more than carbon steel: stainless steel, aluminium, zinc and galvanised coatings, brass, magnesium, titanium and non-metallic substrates...
Coating Adhesion Explained: Why Peak Height Alone Doesn't Predict Bond Strength
Coating adhesion depends on both peak height (how deep the anchor profile is) and peak density (how many peaks there are per...
Corrosion Protection Coatings: Metallic, Organic and Conversion Layers Explained
Corrosion protection coatings fall into three families. Metallic coatings such as hot-dip galvanizing and thermal spray add a sacrificial or barrier metal...
Robots Below the Waterline: Fraunhofer IGP’s ROV Coating Repair Research
At the Wind & Maritim conference in Rostock (May 2026), Fraunhofer IGP presented an ROV-based process for repairing coatings on offshore structures...
Why Spot Blasting Can Limit Coating Performance
Spot blasting can limit coating performance because patch repairs tend to fail at the rim, not the center. The blast stream can...
Blast-Less Surface Prep Tools for Coating Companies
Blast-less surface preparation lets coating companies prepare steel with hand-held impact tools instead of mobilising a blast rig. Bristle blasting gives cleanliness...
How Rotating Rust Removal Tools Replace Sandblasting
A rotating tool can replace sandblasting on steel only if it works by impact, not rubbing. In bristle blasting, tensioned wire tips...
Best Sandblasting Alternatives for Small Steel Areas (2026)
For coating-ready results on small steel areas, bristle blasting is the closest rotating alternative to sandblasting: documented tests show cleanliness comparable to...
Surface Preparation for Heavy-Duty Coatings: A Substrate-by-Substrate Field Guide
Heavy-duty coatings need two things at the substrate: the cleanliness and the anchor profile specified for the primer. Bristle blasting delivers both...
Surface-Tolerant Coatings: When Perfect Prep Isn't Possible — and Why Prep Still Wins
Surface-tolerant coatings, typically aluminium epoxy mastics, are formulated to wet out and bond to imperfect hand- or power-tool-cleaned steel and sound, compatible...
What Makes a Coating Specification Enforceable
A coating specification is enforceable when every requirement can be measured against a cited standard: a named cleanliness grade (ISO 8501-1 or...
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