
【国外标准】 Standard Specification for Basic Lead Silicochromate Pigment
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2024-02-28
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适用范围:
This specification covers two types of pigment commercially known as basic lead silicochromate. Both types of pigment shall consist of silica coated with lead licates and lead chromates with mass color and character, and oil absorption equal to that of a reference sample as agreed upon by the purchaser and seller. Specimens shall be sampled, prepared, and undergo chemical analysis to test their conformance with specified compositions of lead oxide, chromium trioxide, silica, and moisture and other volatile matter. Materials shall also be tested for ignition loss, specific surface diameter, and particle loss by microscopic methods.1.1 This specification covers two types of pigment commercially known as basic lead silicochromate.1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
标准号:
ASTM D1648-86(2020)
标准名称:
Standard Specification for Basic Lead Silicochromate Pigment
英文名称:
Standard Specification for Basic Lead Silicochromate Pigment标准状态:
Active-
发布日期:
-
实施日期:
出版语种:
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