## # Wet-on-wet application aluminum - 35 35 Line ![](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_169__1358x764/public/oembed_thumbnails/2025-08/osu67-0K081KKRwAbS3aPLBQwDEfFnsNFYnRQZN6g-0.jpg.webp?itok=ofHQSFtb) ![TST 57 (1).png](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_43__531x398/public/2024-03/TST%2057%20%281%29.png.webp?itok=a9o1veIz "TST 57 (1).png") 1. Cleaning process - Check the panel for transportation damage - Clean with [70U-15](https://techinfo.baslac.com/NA/TDS/en/70U-15%20Degreaser.pdf) [70U-10](https://techinfo.baslac.com/NA/TDS/en/70U-10%20WB%20All%20Purpose%20Cleaner.pdf) - Wipe on wipe off (2 cloths) ![TST 57 (2).png](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_43__531x398/public/2024-03/TST%2057%20%282%29.png.webp?itok=3b6SMjzb "TST 57 (2).png") 2. Preparation - In case of transportation damage, repair the damage - Scratches with P400 - Clean with fine hand pad abrasive (similar to grey scotch brite) in combination with [70U-10](https://techinfo.baslac.com/NA/TDS/en/70U-10%20WB%20All%20Purpose%20Cleaner.pdf) cleaner - In case of larger damage, follow the damage panel process ![23U-10 Aerosol](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_43__531x398/public/2025-12/23U-10%20Aerosol.png.webp?itok=b0_KSbB4 "23U-10 Aerosol") 3. Preperation of panel - Apply 2-3 full coats [23U-10](https://techinfo.baslac.com/en/27-10.pdf) Etch Aerosol to all bare aluminum, with 2-5 min flash between coats. - Dry 15-20 min at 68°F (20°C) before sealer application. ![product_preparation_20U](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_43__531x398/public/2025-12/product_preparation_aluminum.png.webp?itok=8O6a9_Ae "product_preparation_aluminum_20U") 4. Primer preparation - Prepare undercoat according to color [20U-23](https://techinfo.baslac.com/NA/TDS/en/20U-23%20NR%20White%20Urethane%20Primer%20as%20a%20Sealer.pdf) / [-24](https://techinfo.baslac.com/NA/TDS/en/20U-23%20NR%20White%20Urethane%20Primer%20as%20a%20Sealer.pdf) / [-25](https://techinfo.baslac.com/NA/TDS/en/20U-25%20NR%20Black%20Urethane%20Primer%20as%20a%20Sealer.pdf) - To obtain different grey shades, fillers can be mixed ![mixing-ratio-20U-50U-60U](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_43__531x398/public/2025-12/aluminum_new1_1.png.webp?itok=hS2QJJ-y "mixing-ratio-20U-50U-60U") 5. Mixing ratio - [20U-23](https://techinfo.baslac.com/NA/TDS/en/20U-23%20NR%20White%20Urethane%20Primer%20as%20a%20Sealer.pdf) / [-24](https://techinfo.baslac.com/NA/TDS/en/20U-23%20NR%20White%20Urethane%20Primer%20as%20a%20Sealer.pdf) / [-25](https://techinfo.baslac.com/NA/TDS/en/20U-25%20NR%20Black%20Urethane%20Primer%20as%20a%20Sealer.pdf) 3 - 50U- 1 - 60U- 2 - - - - - - Mix accordingly to temperature chart ![TST 57 (3).png](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_43__531x398/public/2024-03/TST%2057%20%283%29.png.webp?itok=Ujh9pTJQ "TST 57 (3).png") 6. Application - Tag cloth the panel carefully ![TST 57 (4).png](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_43__531x398/public/2024-03/TST%2057%20%284%29.png.webp?itok=NzfqAOvb "TST 57 (4).png") 7. Application - Spray gun: RP 1.3 / 29.0 psi (2.0 bar) - Apply 1 wet coat on panel ![TST 57 (5).png](https://www.baslac.com/data/sites/baslac/files/styles/ars__ratio_43__531x398/public/2024-03/TST%2057%20%285%29.png.webp?itok=LgZGwoqU "TST 57 (5).png") 8. Flash off - 30 min at 68°F (20°C) - Panel is ready for baslac® basecoat, after flash off Repair Steps [Wet-on-Wet Filler](/en-nam/taxonomy/term/164) Start working with baslac today. It just makes sense. [Contact us ](/en-nam/contact-us "Contact us") Get in touch with your local baslac dealer now and start working smarter. [Find a dealer near you ](https://www.baslac.com/en-na/dealers?query_country=187&query_distance=20 "Find a dealer near you")