Sandblasting

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sandblasting

[′san‚blast·iŋ]
(engineering)
Surface treatment in which steel grit, sand, or other abrasive material is blown against an object to produce a roughened surface or to remove dirt, rust, and scale.
(geology)
Abrasion affected by the action of hard, windblown mineral grains.

Sandblasting

Abrading a surface, such as concrete, by a stream of sand ejected from a nozzle by compressed air; used for cleaning up construction joints, or carried deeper to expose the aggregate.
References in periodicals archive ?
Since grit blasting is a mechanical abrasion method, the treatment may not be uniform on the surface in the micro-scale.
The simple conclusions are that solvent wiping only or use of grit blasting without a primer do not provide any real environmental resistance, while Metal Jacket provides environmental resistance at a level beyond the power of this test length to really impact.
Dymax SpeedMask UV provides surface protection from contamination caused by acids, alkalines, plating solutions and ambient debris from air plasma spray, HVOF, grinding, peening and grit blasting used during surface treatment processing.
The system can protect surfaces from contamination caused by acids, plating solutions, and ambient debris from air plasma spray, HVOF, grinding, peening, and grit blasting used during surface treatment.
To obtain good adhesion, the substrate must be pre-treated by grit blasting, grinding, milling, turning, or a combination of these techniques.
All chemical cleanings leave a film on the roll, as do all grit blasting methods of cleaning.
Grit blasting within the marine sector, Shipbuilders & Shiprepairers Association;
Grit blasting is the primary method used to prepare structural steel surfaces prior to coating (1) because grit blasting has the capability to create a profile at the surface which guarantees a physical bond between the substrate and the applied coating system.
Kevin said: "I was walking across the bridge to get to work one day and noticed the fine detail and design of the crest which has been revealed by the thorough grit blasting and cleaning.
After grit blasting, the oversized steel sleeves were positioned symmetrically around the defect area and a longitudinal weld made to join the sleeve halves [ILLUSTRATION FOR FIGURE 2 OMITTED].
A range of finishing techniques such as grit blasting and polishing is used to evoke, in the language and qualities of concrete, the textural variety of stone-built Classicism.