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ASTM D6901-15(2021)
Standard Specification for Artists' Colored Pencils
Přeložit název
NORMA vydána dne 1.11.2021
Informace o normě:
Označení normy: ASTM D6901-15(2021)
Datum vydání normy: 1.11.2021
Kód zboží: NS-1043799
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM D6901-15(2021) :
This standard specification establishes quality requirements for composition, performance, and labeling of artists´ colored pencils. This specification also covers vehicles and additives. Labeling requirements shall include company or brand name, identification number, country of origin, colour index names, lightfastness, pencil type, name and address of manufacturer, constitution number, toxicity, and statement of conformance. Additives for colored pencils shall include thickeners, preservatives, surfactants, wax, oil, and humectants. The pencil shall be capable of applying an even coating without scratch marks and without excessive breaking. Lightfastness, color difference test, exposure to natural daylight through window glass, and exposure to Xenon-arc radiation shall be done in accordance with the ASTM standard testing method using white, uncoated, neutral pH, buffered paper or board, without optical brighteners.
Keywords:
colored pencils, daylight through window glass, lightfastness, quality requirements, test specimens, xenon arc exposures,, ICS Number Code 97.195 (Items of art and handicraft)
Doplňující informace
| 1. Scope | ||||||||||||||||
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1.1?This specification establishes requirements for composition, performance, and labeling of artists colored pencils. 1.2?This specification covers vehicles and additives. Requirements are included for identification, lightfastness, and consistency. 1.3?Colored pencil specimens are exposed to both natural daylight through window glass and simulated window glass-filtered daylight radiation to determine the lightfastness rating for each pencil. 1.4?The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.5?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. |
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| 2. Referenced Documents | ||||||||||||||||
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