· From left to right
o Three vertical Sharpie marks (# # #)
o Vertical stripe of Liquid Wrench Lube & Penetrating Oil
o Vertical piece of masking tape
o Vertical stripe of White Lithium Grease
o Vertical piece of masking tape
o Vertical stripe of 3-in-One Oil
o Three vertical Sharpie marks (# # #)

1 – Cleaned with soap and water

2 – Cleaned with Super Clean (degreaser from Walmart)

3 – Cleaned with Clorox Clean-Up

4 – Cleaned with Formula 409

5 – Cleaned with Mr. Clean

6 – Cleaned with 90% Isopropyl Alcohol

· Best at removing Sharpie marks
1. Isopropyl Alcohol
2. Super Clean
3. Formula 409
· Best for Tape Marks and Grease
1. Formula 409
2. Super Clean
· Best Overall
1. Super Clean.
§ Note: Water sheeted off after Super Clean whereas it beaded up after everything else.
7 – Cleaned with Super Clean followed by a 3 minute soak in white vinegar

8 – Cleaned with Super Clean followed by a 3 minute soak in CLR. The surface finish was distinctly more matte and less shiny.

9 – Cleaned with Super Clean followed by a 3 minute soak in Isopropyl Alcohol.

10 – Cleaned with Super Clean followed by a 3 minute soak in Acetone

11 – Cleaned with Super Clean followed by a 3 minute soak in 3:1 Water:EkoEtch

12 – Cleaned with Super Clean followed by a scrub with 3:1 Water:EkoEtch (3 minutes). A Scotch Brite sponge was used for the scrub. The surface finish was noticeably more matte and less shiny, however not as much as the CLR pie pan.

1. 8 and 12 were distinctly better than all of the others. 8 was probably slightly better than 12, but the CLR was full strength whereas the Water:EkoEtch was 3:1.
2. 11
3. 7, 9, and 10 tied for last place and were definitely not as good as 8, 12, and 11.
· From best to worst
1. 8 – Cleaned with Super Clean followed by a 3 minute soak in CLR.
2. 12 – Cleaned with Super Clean followed by a scrub with 3:1 Water:EkoEtch (3 minutes).
3. 11
– Cleaned with Super Clean followed by a 3 minute soak in 3:1 Water:EkoEtch
4. 7
– Cleaned with Super Clean followed by a 3 minute soak
in white vinegar
5. 9
– Cleaned with Super Clean followed by a 3 minute soak
in Isopropyl Alcohol.
6. 10 – Cleaned with Super Clean followed by a 3 minute soak in Acetone
· Stewart Systems EkoPrime Primer
o Single part
o Water based
o EkoPrime is primarily designed to provide very effective corrosion resistance for steel and aluminum surfaces and to create an excellent surface for EkoPoly Premium or EkoCrylic to adhere to.
· Spray Gun
o SPRAYIT SP-33000K LVLP Gravity Feed Spray Gun Kit
§ https://www.amazon.com/dp/B008FDMXRW?ref=ppx_yo2ov_dt_b_product_details&th=1
§ 1.5 mm tip
§ 20 psi
o Spectrum Paint System Adapter
§ https://www.harborfreight.com/spectrum-paint-system-adapter-57505.html?_br_psugg_q=spray+gun+adapter
o Universal Paint System Starter Kit, 17 Piece
§ https://www.harborfreight.com/universal-paint-system-starter-kit-17-piece-57508.html
o 3M Rugged Comfort Quick Latch Half Facepiece Reusable Respirator 6503QL, Gases, Vapors, Dust, Large
§ https://www.amazon.com/dp/B00IF7RCU6?ref=ppx_yo2ov_dt_b_product_details&th=1
o 3M P100 Respirator Cartridge/Filter 60921, 1 Pair, Helps Protect Against Organic Vapors and Particulates
§ https://www.amazon.com/dp/B00BT2SWTE?psc=1&ref=ppx_yo2ov_dt_b_product_details
· Fingernail scratch test
· Drilled and dimpled 4 holes
· Sawed off the bottom 1/3 of each pan with the band saw
· Nail scratch and duct tape test
o Scratched an X with a nail and put duct tape over the scratch.
o Peeled the duct tape off.
1 – Cleaned with soap and water

· Sharpie marks still visible.
· Did not pass the fingernail scratch test.
· No chipping around the drilled and dimpled holes.
· No chipping along the sawed edge.
·
Failed the duct tape test. The duct tape removed primer where the
masking tape originally was.
2 – Cleaned with Super Clean (degreaser from Walmart)

·
Did not pass the fingernail scratch test.
·
No chipping around the drilled and dimpled
holes.
·
No chipping along the sawed edge.
·
Failed the duct tape test. The duct tape removed some primer along the
edges of where the masking tape originally was.
3 – Cleaned with Clorox Clean-Up

·
Did not pass the fingernail scratch test.
·
No chipping around the drilled and dimpled
holes.
·
No chipping along the sawed edge.
·
Failed the duct tape test. The duct tape removed a fair amount of primer
where the masking tape originally was.
4 – Cleaned with Formula 409

·
Did not pass the fingernail scratch test.
·
No chipping around the drilled and dimpled
holes.
·
No chipping along the sawed edge.
·
Failed the duct tape test. The duct tape removed almost all of the primer
where the masking tape originally was.
5 – Cleaned with Mr. Clean

·
Did not pass the fingernail scratch test.
·
No chipping around the drilled and dimpled
holes.
·
No chipping along the sawed edge.
·
Failed the duct tape test. The duct tape removed almost all of the primer
where the masking tape originally was.
6 – Cleaned with 90% Isopropyl Alcohol

·
Did not pass the fingernail scratch test.
·
No chipping around the drilled and dimpled
holes.
·
No chipping along the sawed edge.
·
Failed the duct tape test. The duct tape removed a fair amount of the primer
where the masking tape originally was and also some primer in other areas.
· Soap and water did not remove the Sharpie marks
· None passed the fingernail scratch test.
· All passed the drilled and dimpled hole test.
· All passed the sawed edge test.
· From best to worst on the duct tape test
o Best – 2 – Cleaned with Super Clean (degreaser from Walmart)
o 1 – Cleaned with soap and water (but Sharpie marks still visible)
o 3 – Cleaned with Clorox Clean-Up
o 4 – Cleaned with Formula 409
o 5 – Cleaned with Mr. Clean
o Worst – 6 – Cleaned with 90% Isopropyl Alcohol
7 – Cleaned with Super Clean followed by a 3 minute soak in white vinegar

·
Passed the fingernail scratch test.
·
No chipping around the drilled and dimpled
holes.
·
No chipping along the sawed edge.
·
Failed the duct tape test. The duct tape removed a little of the primer along
the edges of where the masking tape originally was.
8 – Cleaned with Super Clean followed by a 3 minute soak in CLR.
The surface finish was distinctly more matte and less shiny.

·
Passed the fingernail scratch test.
·
No chipping around the drilled and dimpled
holes.
·
No chipping along the sawed edge.
·
Passed the duct tape test. The marks where the duct tape was are duct tape residue.
There was no peeling of the primer.
9 – Cleaned with Super Clean followed by a 3 minute soak in Isopropyl Alcohol.

·
Passed the fingernail scratch test.
·
No chipping around the drilled and dimpled
holes.
·
No chipping along the sawed edge.
·
Passed the duct tape test. The marks where the duct tape was are duct tape residue.
There was no peeling of the primer.
10 – Cleaned with Super Clean followed by a 3 minute soak in Acetone

·
Passed the fingernail scratch test.
·
No chipping around the drilled and dimpled
holes.
·
No chipping along the sawed edge.
·
Passed the duct tape test. The marks where the duct tape was are duct tape residue.
There was no peeling of the primer.
11 – Cleaned with Super Clean followed by a 3 minute soak in
3:1 Water:EkoEtch

·
Passed the fingernail scratch test.
·
No chipping around the drilled and dimpled
holes.
·
No chipping along the sawed edge.
·
Passed the duct tape test. The marks where the duct tape was are duct tape residue.
There was no peeling of the primer.
12 – Cleaned with Super Clean followed by a scrub with 3:1 Water:EkoEtch (3 minutes). A Scotch Brite
sponge was used for the scrub. The
surface finish was noticeably more matte and less shiny, however not as much as
the CLR pie pan.

·
Passed the fingernail scratch test.
·
No chipping around the drilled and dimpled
holes.
·
No chipping along the sawed edge.
·
Passed the duct tape test. The marks where the duct tape was are duct tape residue.
There was no peeling of the primer.
·
No Sharpie marks.
·
All passed the fingernail scratch test.
·
All passed the drilled and dimpled hole test.
·
All passed the sawed edge test.
· Only #7 did not pass the duct tape test (Super Clean followed by white vinegar).
· There was a 5-way tie for the best duct tape result. Super Clean followed by CLR, Isopropyl Alcohol, Acetone, or EkoEtch gave a very good result.
·
Including the pre-priming results, the best overall results were with Super Clean followed by
either CLR or EkoEtch.