August 7, 2001
Revised: November 13, 2002

Client: Rust Bullet, LLC
300 Brinkby Ave., Suite 200
Reno, Nevada 89509

Reference: Mr. Robert Murphy

Subject: Comparison of Specialty Coatings for Rust Control Products.

Sample Description:

Nine coated metal test panels were submitted by the Client and identified by individual numbers 1 through 9. A tenth, uncoated, panel was submitted as a control.
Also submitted by the Client was one document entitled “Test Protocol”. This document required each of the nine coated test panels to be scribed through to the metal substrate and subjected sequentially to a series of environmental exposures. If the coating on any of the test panels exhibited visible degradation, testing of that particular panel was to be terminated.

Request:

Expose the submitted test panels to the environmental sequence listed in the submitted “Test Protocol”.
Photograph the test panels after each environmental exposure microscopically and in normal close-up view.

Test No. 1:

Method: All nine of the coated test panels were scribed down to the metal substrate and exposed to 168 hours of accelerated weathering in an Atlas Weatherometer model 18W type HH. The apparatus and operation was in accordance with the procedures set forth in ASTM* G-153. The uncoated control panel was similarly exposed.
Results: None of the nine coated test panels exhibited any degradation of the integrity of the coating. The uncoated control panel exhibited light surface rusting.

Test No. 2:

Method: After accelerated weathering all ten of the submitted test panels were thermal cycled (ASTM D-2337) between 160°F and –20°F. Two cycles were performed each consisting of 3 hours.
Results: None of the coated test panels exhibited any visible evidence of coating degradation. The uncoated control panel exhibited additional surface rusting.

Test No. 3:

Method: After thermal cycling all ten test panels were placed in a salt fog/spray chamber for 500 hours (3 weeks). The chamber was operated in accordance with the procedures set forth in ASTM B-117 except actual sea water was used in place of standard salt water.
Results: Panel numbers 2, 5, 6, and 8 exhibited corrosion along the scribe line with undercutting of less than 3/16 of an inch. Panel numbers 1, 3, 4, 7, and 9 exhibited coating failure over the entire surface of each panel. These panels were considered complete failures and were eliminated from further testing. The uncoated control panel was so severely corroded as to be of no further value and was also eliminated.

Test No. 4:

Method: After 500 hours of salt fog/spray the remaining four test panels were submerged in sea water (ASTM D-870) for 336 hours (2 weeks).
Results: Panel numbers 6 and 8 undercut by more than ¼ of an inch were considered failures. Panel numbers 2 and 5 still exhibited good film integrity and were considered as passing this phase of testing.

Test No. 5:

Method: Original specimens of panels 2, 5, 6, and 8 were evaluated for abrasion resistance in accordance with the procedures set forth in ASTM D-4060 Taber using 1000 gram load and CS-10 abrasive wheels.
Results:

Note: Panel #5 was considered a failure and was eliminated from further testing.

Test No. 6:

Method: Original specimens of panels 2, 6, and 8 were evaluated for flexibility of the coating in accordance with the procedures set forth in ASTM D-522 method B using a 3/8” mandrel.
Results: At a 12% elongation of the respective coatings, panels 6 and 8 exhibited cracking of the film. At a 12% elongation of the coating panel 2 did not exhibited any cracking or disbonding of the film.

Test No. 7:

Method: Original specimens of panels 2, 6, and 8 were evaluated for chip resistance by the rapid deformation procedure (ASTM D-2794).
Results: Panels 6 and 8 exhibited cracking of the respective paint film at the 24 inch pound level of impact. Panel 2 exhibited cracking of the paint film at the 28 inch pound level of impact.

Test No. 8:

Method: Original specimens of panels 2, 6, and 8 were evaluated for adhesion in accordance with the procedure set forth in ASTM D-3359.
Results: Panels 2 and 6 exhibited 100% adhesion. Panel no. 8 exhibited 96% adhesion.

* American Society for Testing & Materials
ASTM International
100 Barr Harbor Dr.
P.O. Box C700
West Conshohocken, PA 19428-2959
www.astm.org