Protecto 401 Ceramic Epoxy - Standard For Lining Ductile Iron Pipe and Fittings For Sewer Service

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GEORGE MILLS
&
ASSOCIATES
INTERNATIONAL, INC.

HOUSTON · USA · NASHVILLE

P.O. Box 847                  3133 Knobview Drive
Humbler, TX 77347         Nashville, TN 37214
                                         Tel: (615) 391-4785
                                         Fax: (615) 885-9655
Tel: (713) 852-7600
Fax: (713) 852-8777

TEST METHOD: ASTM B-117: Standard Test Method of Salt Spray (Fog) Testing.

COATING SYSTEM:

PROTECTO 401 CERAMIC EPOXY Lining: Plant applied epoxy lined ductile iron pipe (DIP) cut into 4 inch x 6 inch coupons.

PROCEDURE: Using the ASTM B 117 salt fog apparatus and procedures with the exception that the film was not scribed so as to allow observation of underfilm corrosion creep along cut edges of coupon. Duration of the test was 1080 hours (45 days).

Panel Number

147

148

149

Average mm corosion undercut about periphery of coupon:

0 mm

There was no corrosion undercutting of the coating although heavy corrosion product developed along the unprotected edges. Coating could not be forced to delaminate by vigorous probing.

CERTIFIED

_________________
Dr. George Mills

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