degrees oof ccleanliness oof bblast-cleaned ssurfaces

White Metal

Brush-OffTightly adherent mill scale and rust mayremain on the surface. Mill scale and rustare considered adherent if they cannot beremoved with a dull putty knife.

CommercialEvenly dispersed very light shadows,streaks and discolorations caused by stainsof rust and mill scale may remain on nomore than 33% of the surface.

Near-white MetalEvenly dispersed very light shadows,streaks and discolorations caused by stainsof rust and mill scale may remain on 5%of the surface.

White MetalFree of all visible oil, grease, dirt, dust,mill scale and rust.

DDeeggrreeeess ooff CClleeaannlliinneessss ooff BBllaasstt--CClleeaanneedd SSuurrffaacceess*

SSPC-SP 7NACE No. 4SA-1

SSPC-SP 6NACE No. 3SA-2

SSPC-SP 10NACE No. 2SA-2 1/2

SSPC-SP 5NACE No. 1SA-3

*Images shown are previously uncoated surfaces, viewed without magnification

For the complete official guide to surface cleanliness, refer to SSPC-Vis-1: Guide and Reference Photographs for Dry Abrasive Blast Cleaning; SSPC Publication 02-12 www.sspc.org

Key: Steel where mill scale has started to flakeand light rusting occurs.

Key: Steel where all mill scale has flakedoff and complete rusting has occured.

Key: Steel where pitting and complete rustinghas taken place.

Commercial

Near-White Metal

Brush-Off Brush-Off Brush-Off

Commercial Commercial

Near-White Metal Near-White Metal

White Metal White Metal

USA • PHONE 636 239 0300 • Fax 800 726 7559 • info@clemcoindustries.comGERMANY • PHONE 49 8062 90080 • Fax 49 8062 900850 • info@clemco.de

DENMARK • PHONE 45 86 51 10 33 • Fax 45 86 51 08 00 • salg@ferlov.dkSPAIN • PHONE 34 94 453 5712 • Fax 34 94 453 6012 • clemcobio@clemco.es

SINGAPORE • PHONE 65 689 77206 • Fax • 65 689 77207 • sales@clemco.com.sg

©2007 Clemco Industries Corp. • Washington, MO 63090 • www.clemcoindustries.com

Impact of Nozzle Wear on Air Consumption

System Air Volume Requirements at 100 PSI

Compressed Air and Abrasive Consumption Pressure Loss in Air Hose

Abrasive Comparison

®

Distributed By

JN 2064-0998, Rev. D 06/07Stock No. 21932

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