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SSPCAB1.AB2.AB3磨料规范VIP免费

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SSPC-AB 1June 1, 1991Ed itorial Changes September 1, 2000131SSPC: The Society for Protectiv e CoatingsABRASIVE SPECIFICATION NO. 1Mineral and Slag Abrasiv es1. Scope1.1 This specification defines the requirements forselecting and evaluating mineral and slag abrasives usedfor blast cleaning steel and other surfaces for painting andother purposes.1.2 The abrasives covered by this specification areprimarily intended for one-time use without recycling; re-claimed materials must again be tested against and meetthe requirements of this specification. (See Note 7.1.)2. Description2.1 The abrasives are categorized into two types, threeclasses and five grades as described below. Normally theuser shall specify the types, classes and grades required.If no abrasive type is specified, then either Type I or TypeII is considered acceptable. If no abrasive class is specified,then any class will be considered acceptable. If no abrasiveprofile grade is specified, the abrasive shall satisfy therequirements of any of the five grades listed.2.2 The following abrasive types are included.Ty pe I - Natural Mineral AbrasivesThese are naturally occurring minerals, including, butnot limited to, quartz sands, flint, garnet, staurolite, andolivine.Ty pe ll - Slag AbrasivesThese are slag by-products of coal-fired power produc-tion or of metal (such as copper or nickel) smelting.2.3 The following abrasive classes are included.Class A - Crystalline silica less than or equal to 1.0%Class B - Crystalline silica less than or equal to 5.0%Class C - Unrestricted crystalline silicaThe definition and requirements for Classes A, B and Care given in Section 4.2.2.4 The abrasive grades and associated profile rangesare listed below:•Grade 1 - Abrasives which pr...

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SSPCAB1.AB2.AB3磨料规范

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