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electrostatic spray

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Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006025
EISBN: 978-1-62708-172-6
... in a number of ways. This article describes seven methods of coating application: brushes, rollers, and daubers; conventional air spray; high-volume low-pressure spray; airless spray; air-assisted airless spray; plural-component spray; and electrostatic spray. Factors to be considered when deciding...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001277
EISBN: 978-1-62708-170-2
..., including conventional air atomized, airless, and electrostatic spray; roller coating; dip coating; flow coating; curtain coating; tumble coating; electrocoating; and powder coating. Surface preparation methods and prepaint treatments for coating systems are also discussed. The article includes information...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003217
EISBN: 978-1-62708-199-3
..., possible fire hazards, or potential damage from overspray. Spraying methods include (a) conventional air spraying, in which the paint is atomized and propelled against the work by means of compressed air; (b) hot spraying; (c) hydraulic airless spraying; and (d) air and airless electrostatic spraying...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006015
EISBN: 978-1-62708-172-6
... recesses in objects to be reached, thereby overcoming Faraday cage effects. The electrostatic disc application is a variant of tribo, with the advantage of minimizing the factory floor space. In all of these spray methods, the powder is delivered to the spray gun in a powder-air mixture from...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006492
EISBN: 978-1-62708-207-5
.... Application is by electrostatic spray, after which the coating is heated to a temperature typically within the range of 140–200 °C (280–390 °F), depending on formulation. The high temperature is required to melt and sinter the powder particles. This is difficult to do in field environments. Thin coatings may...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006007
EISBN: 978-1-62708-172-6
... removes moisture from recycled powder. Electrostatic spray application is the normal pipe-coating procedure. Courtesy of J.A. Kehr Fig. 8 Cure depends on the application temperature and on time. In this figure, t 1 = pick-up time of the fusion-bonded epoxy (FBE) (in seconds), t 2 = cure...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001325
EISBN: 978-1-62708-170-2
... that the components react at elevated temperatures to form a cured film. The powder is applied electrostatically (i.e., the electrically charged particles are sprayed on the part to be coated, which is grounded) and is held in place by electrostatic attraction. The coating is then fused together and cured...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006038
EISBN: 978-1-62708-172-6
... extrusion Fig. 33 Schematic of fusion-bonded epoxy (FBE) coating line Fig. 31 Electrostatic spray application of a fusion-bonded epoxy Fig. 32 Pipe sections coated with fusion-bonded epoxy Fig. 28 Application of liquid epoxy in cold weather Fig. 27...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004125
EISBN: 978-1-62708-184-9
... technology for aircraft applications. On mixing the two components of the epoxy/polyamide primer, the curing reaction begins. After a dwell time of 30 min, the coating is suitable for spray application. The coating is applied to a dry-film thickness of 15 to 24 μm (0.6 to 0.9 mil). The coating is tack...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001279
EISBN: 978-1-62708-170-2
.... Porcelain enamel may also be applied to sheet steel components using the electrostatic dry spray application method. Frits for electrostatic dry application are ground without water by the frit manufacturer and are shipped to the porcelain enamel plant in a ready-to-use form. Small amounts of proprietary...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003691
EISBN: 978-1-62708-182-5
.... However, the development of improved electrostatic application methods (both fluidized bed and spray gun techniques); lower-temperature curing powders; and improved systems for conveyance, application, curing, handling, and recycling have made powder coatings viable for automotive and truck manufacturers...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004162
EISBN: 978-1-62708-184-9
.... Solventborne, waterborne, and powder spray primers are electrostatically sprayed onto the vehicle. The vehicle is grounded, while the paint is positively charged. This process provides the most efficient transfer of paint to the vehicle body. Only the exterior surface, door openings, and underhood areas...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006041
EISBN: 978-1-62708-172-6
... of specific properties that FEVE resins have the capacity to improve. Application techniques for these types of coatings are identical to those used for two-component FEVE-based coatings. The FEVE-based powder coatings follow a different path in their application technique. Electrostatic spray application...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006051
EISBN: 978-1-62708-172-6
... change is difficult due to extensive cleanup of old powder. Like all epoxy resins, chalks on ultraviolet exposure. Must be applied in shop. Hard to field repair Applied by electrostatic spray/fluidized bed. Increasing use because of VOCs; used as pipeline and original equipment manufacturer coatings...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002494
EISBN: 978-1-62708-194-8
..., is to use an “airless” spraying technique ( Ref 6 ). During electrostatic powder coating there is the problem associated with “Faraday cage” effect, in which the charged components of the powder-coating system are attracted by the high fields at the edges and corners of parts, causing excessive coverage...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003692
EISBN: 978-1-62708-182-5
... to be protected by either electrostatic spray or fluidized-bed deposition. The metal being protected is usually preheated at the time of application, and after application it is reheated to an elevated temperature, generally from 150 to 315 °C (300 to 600 °F). The specific time/temperature baking schedule depends...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006440
EISBN: 978-1-62708-190-0
... removal depend on such processing conditions as spray nozzle characteristics, water pressure and temperature, duration of the rinse cycle, surface condition of the workpiece, and inherent removal characteristics of the penetrant employed. Description of the Process Regardless of the type...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003428
EISBN: 978-1-62708-195-5
...) spray gun pressure or siphon feed, or electrostatic spray guns. Interior, hard-to-reach, and limited access spaces are excluded from the HVLP mandatory requirement. Spraying at a distance of less than 150 mm (6 in.) between spray nozzle and part will cause poor atomization, a distance of more than...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005840
EISBN: 978-1-62708-167-2
... winding. This method, while providing the required dielectric properties, does little to enhance the overall life of the coil. The use of electrostatic sprays ( Fig. 10 ), fluidized beds ( Fig. 11 ), and electrostatic fluidized beds allows the use of better electrical insulation materials with the ability...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001276
EISBN: 978-1-62708-170-2
...-preventive compounds are applied by: Spraying or fogging electrostatically Dipping Flowing or slushing Brushing or wiping The type of rust preventive and the quantity, size, complexity, and surface finish of the articles to be coated will determine which method should be used...