Can this be used to lube keyboard switches?

yes this is pretty popular lube for stabs and switches

Can this be used on UK domestic 240v mains connections?

I'm not an electrician but I'd say yes. But don't message me if something burns down :)

Would this be suitable to stop the electrical connectors on a sliding van door from corroding (where door meets van body when it's closed)?

I don't know. The grease in the auto shop is used at the connection between spark plugs and the coils, to improve electrical connection may well prevent moisture and corrosion, and all that good stuff. As well as lube the connections for future disconnection. Probably what you should be looking for is a properly installed electrical connection and not to rely on some gel. Good luck anyway.

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S/S Permatex® - Dielectric Tune-Up Grease - Wiring & Connection Protection - 85g

S/S Permatex® - Dielectric Tune-Up Grease - Wiring & Connection Protection - 85g

Product ID: 57067081

Details

Brand
Permatex
Item weight
85 Grams
Liquid volume
3
Material
Grease
Package information
Tube

⚡Prevents voltage leaks

🔥Withstands up to 400°C

🛡️Protects from salt & corrosion

$51.92

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Keep your connections flawless, or risk being left in the dark!

CORROSION ARMOR - Defends wiring against salt, dirt, and corrosion for long-lasting reliability.
SHIELD YOUR SPARK - Stops spark plugs from fusing to boots for hassle-free ignition.
HIGH HEAT RESILIENCE - Operates flawlessly up to 400°C, perfect for demanding ignition systems.
SOCKET LIFE EXTENDER - Prolongs bulb socket lifespan, saving you time and replacement costs.
VOLTAGE LEAK BLOCKER - Seals electrical connections to maintain peak performance.

Permatex Dielectric Tune-Up Grease is a high-performance paste designed to protect and extend the life of electrical connections in automotive and marine applications. It prevents voltage leaks, corrosion, and spark plug boot fusing, while withstanding temperatures up to 400°C, making it essential for modern high-energy ignition systems.

Specifications

ASIN	B000AL8VD2
Best Sellers Rank	1,971 in Automotive ( See Top 100 in Automotive ) 63 in Greases & Lubricants
Brand	Permatex
Brand Name	Permatex
Container Type	Tube
Customer Reviews	4.8 out of 5 stars 27,756 Reviews
Flash Point	203 Degrees Fahrenheit
Global Trade Identification Number	00686226220585
Included Components	Permatex 22058
Item Form	Paste
Item Type Name	Spark Plugs
Item Weight	0.25 Pounds
Item weight	0.25 Pounds
Liquid Volume	3 Fluid Ounces
Liquid volume	3 Fluid Ounces
Manufacturer	Permatex
Material	Grease
Model Number	22058
Number of Items	1
Package information	Tube
Part Number	22058
Recommended Uses For Product	lubricant
Recommended uses for product	lubricant
Specific Uses For Product	Protect Electrical Connections, Extend Bulb Socket Life, Prevent Voltage Leakage, Prevent Spark Plugs from Fusing to Boots
UPC	686226220585
Unit Count	85.0 gram
Upper Temperature Rating	400 Degrees Celsius
Viscosity	paste

Reviews

A**R

Good product

Does exactly what it should.

18.12.2025

A**R

excellent for electrics

Excellent for ignition coil boot and spark plug shaft sparingly.

18.04.2026

A**N

All good

Great stuff, helped with a recurring electrical problem.

16.10.2025

B**I

Leaky

Great stuff but found that the tube it comes in punctures really easily so you get ‘leaks’

3.12.2025

J**K

Good

Haven't used item yet. I can only rate based on delivery, condition etc. It arrived on time specified by amazon and in good condition. The product is exactly how it appears in amazons photos.

7.05.2026

T**N

Does what it is supposed to

Quick delivery.

1.03.2026

J**Y

Does the job

Exactly as described

18.02.2026

I**T

Expensive but worth it!

Expensive but worth it! Perfect for connections

6.08.2025

S**M

Excellent product shipped in good time

Got this delivered by the shipper in very good time and it does the job very well. Used this to lightly grease relay contacts and works perfectly

11.12.2024

S**E

Ottimo prodotto

26.01.2026

D**Y

👍

10.03.2026

R**L

Justo lo que esperaba

Tamaño perfecto

31.01.2025

ハ**ー

バッテリー端子に

このまま使い切ることはなさそうな量です。腐食防止にはいいと思う。

14.11.2025

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$51.92

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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