termografía - tabla fluke de emisividad

8/4/2019 Termografía - Tabla Fluke de Emisividad

http://slidepdf.com/reader/full/termografia-tabla-fluke-de-emisividad 1/1

Emissivity values of

common materialsMaterial Emissivity*Aluminum, polished 0.05Aluminum, rough sur ace 0.07Aluminum, strongly oxidized 0.25Asbestos board 0.96Asbestos abric 0.78Asbestos paper 0.94Asbestos slate 0.96Brass, dull, tarnished 0.22Brass, polished 0.03Brick, common 0.85Brick, glazed, rough 0.85Brick, re ractory, rough 0.94Bronze, porous, rough 0.55Bronze, polished 0.10Carbon, purifed 0.80Cast iron, rough casting 0.81Cast iron, polished 0.21Charcoal, powdered 0.96Chromium, polished 0.10Clay, fred 0.91Concrete 0.92Copper, polished, 0.01

Copper, commercial burnished 0.07Copper, oxidized 0.65Copper, oxidized to black 0.88Electrical tape, black plastic 0.95Enamel ** 0.90Formica 0.93Frozen soil 0.93Glass 0.92Glass, rosted 0.96Gold, polished 0.02Ice 0.97Iron, hot rolled 0.77Iron, oxidized 0.74Iron, sheet galvanized, burnished 0.23Iron, sheet, galvanized, oxidized 0.28Iron, shiny, etched 0.16

Material Emissivity*Iron, wrought, polished 0.28Lacquer, Bakelite 0.93Lacquer, black, dull 0.97Lacquer, black, shiny 0.87Lacquer, white 0.87Lampblack 0.96Lead, gray 0.28Lead, oxidized 0.63Lead, red, powdered 0.93Lead, shiny 0.08Mercury, pure 0.10Nickel, on cast iron 0.05Nickel, pure polished 0.05Paint, silver fnish** 0.31Paint, oil, average 0.94Paper, black, shiny 0.90Paper, black, dull 0.94Paper, white 0.90Platinum, pure, polished 0.08Porcelain, glazed 0.92Quartz 0.93Rubber 0.93

Shellac, black, dull 0.91Shellac, black, shiny 0.82Snow 0.80Steel, galvanized 0.28Steel, oxidized strongly 0.88Steel, rolled reshly 0.24Steel, rough sur ace 0.96Steel, rusty red 0.69Steel, sheet, nickelplated 0.11Steel, sheet, rolled 0.56Tar paper 0.92Tin, burnished 0.05Tungsten 0.05Water 0.98Zinc, sheet 0.20

Fluke CorporationPO Box 9090, Everett, WA 98206 U.S.A.Fluke Europe B.V.PO Box 1186, 5602 BDEindhoven, The Netherlands

For more in ormation call:In the U.S.A. (800) 443-5853 orFax (425) 446-5116In Europe/M-East/Africa +31 (0) 40 2675 200 orFax +31 (0) 40 2675 222In Canada (800)-36-FLUKE orFax (905) 890-6866From other countries +1 (425) 446-5500 orFax +1 (425) 446-5116

Web access: http://www.fluke.com

©2009 Fluke Corporation.Specifications subject to change without notice.Printed in U.S.A. 12/2009 3038318B H-EN-N

*Emissivities of almost all materials are measured at 0 °C but do notdiffer signi cantly at room temperature.

**Paint, silver nish is measured at 25 °C and Paint, enamel at 27 °C

Modi ication o this document is notpermitted without written permission

rom Fluke Corporation.

Fluke. Keeping your world up and running. ®