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ASTM D2669 2016 Edition, June 1, 2016
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Standard Test Method for Apparent Viscosity of Petroleum Waxes Compounded with Additives (Hot Melts)
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This test method covers the determination of the apparent viscosity of petroleum waxes compounded with additives (hot melts). It applies to fluid hot melts having apparent viscosities up to about 20 Pa·s at temperatures up to 175 °C (347 °F).

NOTE 1—For petroleum waxes and their blends having low apparent viscosities, below about 15 mPa·s, Test Method D445, is especially applicable.

The values stated in SI units shall be regarded as the standard.

Exception—Alternative units in parentheses are for information purposes only. NOTE 2—One Pascal second (Pa·s) = 1000 centipoises (cP). One milli- Pascal second (mPa·s) = 1 centipoise (cgs units).

WARNING—Mercury has been designated by many regulatory agencies as a hazardous material that can cause central nervous system, kidney and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPA’s website—http://www.epa.gov/mercury/faq.htm—for additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

*A Summary of Changes section appears at the end of this standard