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 against salt & corrosion

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230 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up your ride with corrosion-proof confidence!

VOLTAGE LEAK BLOCKER - Ensures flawless electrical flow for peak performance ⚡
SHIELD YOUR CONNECTIONS - Stops salt, dirt & corrosion dead in their tracks 🛡️
EXTEND BULB SOCKET LIFE - Keeps your lighting components shining longer 💡
IGNITION SYSTEM ESSENTIAL - Optimized for modern high-energy ignition setups 🔥
NO MORE FUSED SPARK PLUGS - Prevents spark plugs from sticking to boots for hassle-free maintenance 🔧

Permatex Dielectric Tune-Up Grease is a high-performance paste designed to protect automotive and marine electrical connections from salt, dirt, and corrosion. It prevents voltage leaks, extends bulb socket life, and stops spark plugs from fusing to boots, making it essential for modern high-energy ignition systems. Rated to withstand temperatures up to 400°C, this 85g tube is a trusted choice with a 4.8-star rating from over 27,000 users.

Specifications

ASIN	B000AL8VD2
Best Sellers Rank	1,826 in Automotive ( See Top 100 in Automotive ) 33 in Greases & Lubricants
Brand	Permatex
Brand Name	Permatex
Container Type	Tube
Customer Reviews	4.8 out of 5 stars 27,621 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	113 g
Item weight	113 g
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**E

Ottimo prodotto

26.01.2026

D**Y

👍

10.03.2026

H**R

Original great

Received the item, and it delivers

28.01.2025

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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230 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered 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 Denmark.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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