Description
LOCTITE® SI 5970 is a silicone sealant and cures on exposure to moisture in the air to form a tough rubber gasket. The product is designed primarily for flexible flange sealing. It is ideally used where high vibration or flexing occurs. It is tack-free after just 25 min. The product can be used on machined or cast surfaces, metal, plastic or painted parts.
- Pack size: 300 ml cartridge (Loctite no. 2061041)
- Available as well in 50 ml cartridge
Application
- Typical applications include stamped sheet metal covers (timing covers and oil sumps) where good oil resistance and the ability to withstand high joint-movement is required.
Characteristics
- Replacement for cork and paper cut gaskets on flanges and stamped sheet metal covers
- Can be used with plastic and painted parts
- Tack-free after 25 min.
- Ideal for use where high vibration or flexing occurs
Technical specifications
| Colour | Black |
| Extrusion Rate | 60.0 g/min. |
| Key Characteristics | Oil Resistance: Excellent Oil Resistance |
| Operating Temperature | -55.0 – 200.0 °C (-65.0 – 400.0 °F ) |
| Substrates | Metal, Plastic |
| Tack Free Time | 25.0 min. |
Loctite SI5970, Loctite SI-5970
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com






Clara –
Very effective, I noticed a change in just a week. I was skeptical, but now I order regularly.
ellie.love –
Packaging slightly damaged, but the product is excellent.
joshua99 –
Better than I thought; I’m satisfied. Works great. Good build quality and reliable.
Noemi –
No unpleasant smell, which I really appreciate. I noticed a difference after a short time! Not too big, not too small, perfect.
Logan –
Everything works perfectly so far.
Giulio T. –
Impeccable service.
Jana –
I’ve been using it for 2 weeks and I already see results! Packaging was slightly damaged, but the product is excellent. Very fast delivery, thank you.