LOCTITE 5980 high performance 1K silicone surface sealant black (100 ml tube) - 2064235

Name: LOCTITE 5980 high performance 1K silicone surface sealant black (100 ml tube) - 2064235
Brand: LOCTITE
SKU: 02621523
Price: 20.4 EUR
Availability: PreOrder

Supplier number: LOCTITE 2064235 | EAN 5010266005874

Recommended Retail Price €25.85

20.40 tax incl.

€16.86 excl. VAT (incl. all environmental contributions)

On order: delivered from 07/10/2026

The minimum purchase order quantity for the product is 12.

Ordered before 20:00 - delivered as of 07/10/2026
Free shipping
Delivery by DHL

✆ Talk to a specialist

Reliable flexible sealing for flanges

Practical benefits

Dependable Loctite SI 5980 seal: You create a durable, fluid-tight gasket with excellent resistance to automotive engine oils and coolants.
High joint movement flexibility: The silicone composition accommodates strong vibrations and thermal expansion without cracking or losing adhesion.
Clean and controlled application: Due to the thixotropic paste consistency, the sealant does not run and allows you to dispense accurately.

In a nutshell

The right choise for

With Loctite si 5980 bk flange sealant, you create reliable and fluid-tight seals on flexible flanges and stamped sheet metal covers. This black 1K rtv silicone cures at room temperature into an elastic gasket that accommodates vibrations and thermal expansion without cracking or peeling. Thanks to its thixotropic paste consistency, you can apply it cleanly and accurately from the convenient 100 ml tube onto metals and most plastics without dripping. Highly resistant to engine oils, coolants, and temperatures from -55 °C to 200 °C, it ensures leak-free assemblies on oil pans, valve covers, and gearboxes.

Product information FAQ

€20.40

tax incl.

Key features according to our expert

Net volume: 100 ml
Colour (manufacturer): Black
ADR packing group: Not applicable
ADR class: Not applicable
UN number: Not applicable
Physical state: Liquid
Flash point: > 100 °C
Fire resistant: No
Packaging: Tube

Product description:

LOCTITE SI 5980 is a flange sealant designed especially for gasketing applications.
It withstands in-line, low-pressure tests carried out after assembly of the flanges.
Typical applications include stamped sheet metal covers (timing gear covers and oil sumps) where good oil resistance and the ability to withstand high joint movement is required.
The product has leading health and safety features.

All Features

Net volume: 100 ml
Colour (manufacturer): Black
Adr packing group: Not applicable
Adr class: Not applicable
Un number: Not applicable
Physical state: Liquid
Flash point: > 100 °C
Fire resistant: No
Packaging: Tube

Brand LOCTITE
02621523
EAN 5010266005874
Supplier number LOCTITE 2064235

Frequently asked questions about this product

Answered by specialists

What is Loctite SI 5980 used for?: This black silicone gasket maker is designed for flexible flange sealing and stamped sheet metal covers like oil pans.
How does this sealant cure?: It is a 1K RTV silicone that cures upon exposure to atmospheric moisture at room temperature into an elastic gasket.
Is Loctite SI 5980 resistant to motor oil and coolants?: Yes, it offers outstanding chemical resistance against engine oils and water-glycol mixtures.
What is the operating temperature range?: This sealant withstands operating temperatures ranging from -55 °C to 200 °C.
Which materials is this product compatible with?: It provides excellent adhesion to metals such as steel, aluminium, and copper, as well as most plastics.