Loctite SI 5980 Gasket Sealant Paste for Gasket Sealing 300 ml Tube

RS Stock No.:: 388-3915
Mfr. Part No.:: Loctite SI 5980
Brand:: Loctite

Loctite SI 5980 Gasket Sealant Paste for Gasket Sealing 300 ml Tube

Bulk discount available

Subtotal (1 unit)*

£52.02

(exc. VAT)

£62.42

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

Plus 49 unit(s) shipping from 19 January 2026
Plus 25 unit(s) shipping from 19 January 2026
Plus 60 unit(s) shipping from 02 February 2026

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Units	Per unit
1 - 5	£52.02
6 - 14	£49.93
15 +	£48.89

*price indicative

RS Stock No.:: 388-3915
Mfr. Part No.:: Loctite SI 5980
Brand:: Loctite

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Loctite
	Application	Gasket Sealing
	Colour	Black
	Maximum Operating Temperature	+329°C
	Strength	High
	Minimum Operating Temperature	-59°C
	Package Size	300 ml
	Product Form	Paste
	Trade Name	Loctite SI 5980
	Package Type	Tube
	Operating Temperature Range	-59 → +329 °C

	Select all
	Brand Loctite
	Application Gasket Sealing
	Colour Black
	Maximum Operating Temperature +329°C
	Strength High
	Minimum Operating Temperature -59°C
	Package Size 300 ml
	Product Form Paste
	Trade Name Loctite SI 5980
	Package Type Tube
	Operating Temperature Range -59 → +329 °C

COO (Country of Origin):: IT

Loctite Pipe & Thread Sealant Paste

The Loctite black 300ml pipe and thread sealant resists ageing, weathering and thermal cycling without hardening, shrinking or cracking. This product cures on exposure to moisture in the air to form a tough, flexible, silicone rubber gasket. It is composed of oxime silicone and requires no mixing. This product is typically used in applications with an operating range of -54 °C to 260 °C. This Loctite ready-to-use flange sealant is ideal for flanges with permanent oil contact

Features and Benefits

Enhances load bearing & shock-absorbing characteristics of the bond area

Low modulus (high flexibility)

Provides excellent resistance to automotive engine oils

Reduced migration of liquid product after application to a substrate

Non-corrosive

Energy-neutral cure

Odour-free

Operating temperature ranges between -59°C and 329°C

Resistant to oil

Applications

Inlet manifold

Oil pans

Transmission covers

Valve covers

Cooling systems

Water pumps

Thermostats

Transmission pans

Timing chain covers

Certifications

ANSI/ESD S20.20:2014

BS EN 61340-5-1:2007