Description
LOCTITE® 510 is a high temperature resistant anaerobic sealant which cures when confined in the absence of air between close-fitting metal surfaces. It ensures an instant, low-pressure seal. The product increases the torque capacity of assembled flanges.
- Pack size: 50 ml bottle (Loctite no. 237296)
- Available as well in 300 ml cartridge
Application
- Gasketing product that is ideal for use on rigid flanges
- Typical applications include sealing rigid flange faces on transmissions and engine casings
Characteristics
- For metal flanges
- High temperature resistant flange gasket
- Adapts to flange surface irregularities and scratches up to 0.25 mm
- Increases the torque capacity of assembled flanges
- P1 NSF Reg. No.: 123007
Technical Information
| Application Method | Dispense System, Manual, Screen Printing |
| Colour | Red: Pink |
| Cure Type | Anaerobic Cure |
| Fixture Time, Steel | 25.0 min. |
| Gap Fill, Unprimed | 0.25 mm |
| Operating Temperature | -55.0 – 200.0 °C |
| Physical Form | Gel |
| Substrates | Aluminium, Metal: Steel |
| Viscosity, 20 RPM | 90000.0 mPa·s (cP) |
Hazard Information (CLP)

Signal word: Warning.
Hazard Statements (H-codes)
- H317: May cause an allergic skin reaction.
- H319: Causes serious eye irritation.
- H335: May cause respiratory irritation.
Precautionary Statements (P-codes)
Prevention:
- P261: Avoid breathing vapors.
- P280: Wear protective gloves.
Response:
- P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
- P337+P313: If eye irritation persists: Get medical advice/attention.
For consumer use only:
- P101: If medical advice is needed, have product container or label at hand.
- P102: Keep out of reach of children.
- P501: Dispose of contents/container in accordance with national regulation.
Additional Information
- None if used properly.
- Not fulfilling PBT or vPvB criteria.
- Contains a substance classified as Acute Toxicity Category 3, Inhalation, in powder form, but not biologically available according to CLP Art. 12 b.
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com






Anthony –
Met my expectations. Excellent-quality product. No reason to complain. Everything perfect, thank you.
lucia88 –
Been using it for 2 weeks and already see results! I’ve been using it for 2 weeks and I already see results!
Angelo N. –
Well made and durable. Fast delivery and exactly as described. 100% recommended.
Sara B. –
Better than anything else I’ve tried before. The quality pleasantly surprised me. Great product, worth every cent.
Matthieu I. –
Everything OK.
William H. –
Recommended.
joseph88 –
As expected, top-notch. Solid build quality.
angela_b –
Packaging slightly damaged, but the product is excellent.
cristiano_it –
Fast shipping and good quality. Fast delivery and exactly as described. Easy to assemble. Arrived as promised.
harper23 –
Feels nice to use at home. Been using it for 2 weeks and already see results!