Description
LOCTITE® SI 5660 is a silicone sealant and cures on exposure to moisture in the air to form a tough rubber gasket. The nature of LOCTITE SI 5660 reduces the migration of liquid product after application to the part. It has been designed especially for gasketing applications where good resistance against oils and coolants is required.
- Pack size: 100 ml quick gasket (Loctite no. 2326228)
- Available as well in 40 ml and 100 ml tube
Application
-
The thixotropic nature of LOCTITE® SI 5660™ reduces the migration of liquid product after application to the substrate.
- It has been designed specially for gasketing applications where good resistance against oils and coolants is required.
- Typical applications include transmissions and cast metal housings.
Characteristics
- Flange sealant for flexible flanges
- Oil resistant
- Grey colour
- Excellent glycol resistance
- Leading in health & safety features
Technical specifications
| Colour | Grey |
| Cure Speed vs Time, 24.0 hr. | 2.5 mm |
| Gap Fill | 1.0 mm |
| Lab Shear Strength | 1.8 N/mm² |
| Substrates | Metal, Plastic |
Loctite SI5660, Loctite SI-5660
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com






ava.sweet –
I was skeptical, but now I’ll order it regularly.
tobias_s –
Punctual service. Works just as advertised.
Dominik –
Very durable. No complaints. Product as expected.
enrico_s –
Everything perfect and fast.
anna_italia –
Very effective; noticed a change after just one week. I was skeptical, but now I’ll order it regularly.
matteo_s –
As expected, top-notch. Perfect, nothing to say.