Chemical & Lubricants Guide
Reference Guide
The Complete 3D Printing Lubrication Guide: Oil vs Grease vs IPA
Using the wrong lubricant on a 3D printer can cause permanent component damage. This definitive guide details the exact chemicals, lubricants, and cleaners approved for linear rails, 3D Printing Glossary">lead screws, carbon rods, and print beds.
Recommended Substance:
Synthetic Oil (ISO VG 32/46), PTFE Grease, 99% IPA, Dish Soap
Never Use:
WD-40 • Cooking Oils • Acetone on Textured PEI
Lubricant Compatibility Matrix
| Component | Approved Substance | Application Method | Never Use |
|---|---|---|---|
| Steel Linear Rails (A1, K1, Voron) | Light Machine Oil (ISO VG 32/46) | Apply 2-3 drops along rail. Slide carriage to distribute. | WD-40 or thick grease |
| Carbon Fiber Rods (X1C, P1S) | 99% Isopropyl Alcohol (IPA) | Wipe dry with cloth. Self-lubricating graphite bushings. | ANY oil, grease, or solvent |
| Vertical Z Lead Screws | PTFE or Lithium Grease | Grease adheres to vertical threads and does not run down. | Thin spray oils |
| Smooth Linear Rods (Prusa MK4) | Prusa Lubricant / Mineral Grease | Thin film protects internal ball bearings from pitting. | Abrasive solvents |
| Textured PEI Build Plates | Warm Water & Dish Soap | Surfactants wash away finger oils. Dry with microfiber. | Acetone (dissolves coating) |
Frequently Asked Questions
What is the best all-around 3D printer grease?
Super Lube 21030 Synthetic Grease with Syncolon (PTFE) is widely regarded as the best multi-purpose lubricant for 3D Printing Glossary">lead screws and smooth rod bearings.