Clearly, the intermittent immersion test was the most severe of the three. After six days (12 immersions), only four products- Brownell's LTS-1, Pachmayr Rust Preventative, RIG Universal, and plain old Vaseline Petroleum Jelly provided sufficient protection so that no rust appeared on the steel strips. Two more, those protected with Outers Metal Seal and Boeshield T-9®, showed only very slight traces of rust. Most of the others were badly rusted.
After four days, the freshwater test demonstrated clear differences in the effectiveness of the various rust-blockers under non-salt water conditions. The strips treated with Brownell's LTS-1, Outers Metal Seal, Pachmayr Rust Preventative. and Vaseline showed no signs of rust; those with ACF- 50, Boeshield T-9®, Hoppe's Gun Grease, and RIG Universal had only very slight traces. The rest exhibited a range of rusting from slight to considerable.
The salt-air exposure test didn't produce the dramatic differences we obtained with the other two tests, but the top six products in the previous test also scored well in this one. While some products that performed poorly in the other tests did well in this less severe exposure, the results we obtained generally confirmed our findings in the other two tests.