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NACE WJ-3/SSPC-SP WJ-3-2012-SG (Chinese), “Waterjet Cleaning of Metals—Thorough Cleaning (WJ-3)” Chinese Translation

Defines Thorough Cleaning (WJ-3) degree of surface cleanliness of  metallic substrates by use of waterjet cleaning.  One of four (Clean to Bare Substrate, Very Thorough, Thorough, Light).

Product Number: 21193-SG
ISBN: 1-57590-250-8
$129.00
$129.00
$129.00

Or

Defines the Thorough Cleaning (WJ-3) degree of surface cleanliness of coated or uncoated metallic substrates achieved by the use of waterjet cleaning prior to the application of a protective coating or lining. WJ-3 provides a greater degree of surface cleanliness than Light Cleaning (WJ-4), but a lesser degree of cleaning than Very Thorough Cleaning (WJ-2). Waterjet cleaning to achieve the WJ-3 degree of surface cleanliness is used when the objective is to remove much of the rust and other corrosion products, coating, and mill scale, and leave tightly adherent thin films, but when the extra effort required to remove almost all of these materials is determined to be unwarranted. Discoloration of the surface may be present. Waterjet cleaning is the use of pressurized surface preparation water for removing coatings and other materials, including hazardous materials, from a substrate to achieve a defined degree of surface cleanliness. The four degrees of surface cleanliness achieved by waterjet cleaning are addressed in separate standards as follows: Clean to Bare Substrate (NACE WJ-1/SSPC-SP WJ-1 [WJ-1]), Very Thorough Cleaning (NACE WJ-2/SSPC-SP WJ-2 [WJ-2]), Thorough Cleaning (NACE WJ-3/SSPC-SP WJ-3 [WJ-3]), and Light Cleaning (NACE WJ-4/SSPC-SP WJ-4 [WJ-4]). Key words: waterjet cleaning, cleaning, coatings, high-pressure waterjetting, steels.

Defines the Thorough Cleaning (WJ-3) degree of surface cleanliness of coated or uncoated metallic substrates achieved by the use of waterjet cleaning prior to the application of a protective coating or lining. WJ-3 provides a greater degree of surface cleanliness than Light Cleaning (WJ-4), but a lesser degree of cleaning than Very Thorough Cleaning (WJ-2). Waterjet cleaning to achieve the WJ-3 degree of surface cleanliness is used when the objective is to remove much of the rust and other corrosion products, coating, and mill scale, and leave tightly adherent thin films, but when the extra effort required to remove almost all of these materials is determined to be unwarranted. Discoloration of the surface may be present. Waterjet cleaning is the use of pressurized surface preparation water for removing coatings and other materials, including hazardous materials, from a substrate to achieve a defined degree of surface cleanliness. The four degrees of surface cleanliness achieved by waterjet cleaning are addressed in separate standards as follows: Clean to Bare Substrate (NACE WJ-1/SSPC-SP WJ-1 [WJ-1]), Very Thorough Cleaning (NACE WJ-2/SSPC-SP WJ-2 [WJ-2]), Thorough Cleaning (NACE WJ-3/SSPC-SP WJ-3 [WJ-3]), and Light Cleaning (NACE WJ-4/SSPC-SP WJ-4 [WJ-4]). Key words: waterjet cleaning, cleaning, coatings, high-pressure waterjetting, steels.

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