When i install bulbs and high powered light bulbs i install them with a piece of toilet paper so i leave no oils and grease on the glass.
What is bulb grease made of.
Modern vehicle assembly lines don t grease bulbs because the rubber seals are sufficient at keeping moisture out the electrical connection can be made more reliably.
Summary of dielectric grease vs.
Whenever the bulb is prone to corrosion you must apply some bulb grease on it.
This grease is a nonconductive insulating lubricant.
In single low voltage terminals or connections.
Quite often people have used both vaseline and dielectric grease on their automotive.
The grease should have good stability and not contain metals in any form and be specifically designed for use as a dielectric grease.
Silicone grease sometimes called dielectric grease is a waterproof grease made by combining a silicone oil with a thickener.
Now dielectric grease can also serve the purpose of bulb grease.
It is intended to be used to lubricate the rubber parts such as o rings and gaskets of sockets and to help insulate the contacts from from moisture which causes corrosion.
They might have never noticed any difference but an expert in the industry would tell whether they made a mistake.
Having said that if the rubber isn t sealing properly the grease may help with that and will prevent corrosion on the terminals.
The dielectric grease is relatively pricey owing to the nature of its uses while the silicone grease is relatively cheaper.
Chemical properties dielectric grease does not conduct electricity and stays pliable it does not cure while silicone grease does not conduct electricity either but cures to a hard form.
Otherwise they prefer to use dielectric grease.
This generally is a silicone dielectric grease although some teflon based greases are acceptable.
2 responses to dielectric grease for bulbs henrybourdon4961 may 24th 2018 i like the idea of greasing the bulb but i noticed there was no mention of grease on the fingers and smearing the glass with it.
Most commonly the silicone oil is polydimethylsiloxane pdms and the thickener is amorphous fumed silica using this formulation silicone grease is a translucent white viscous paste with exact properties dependent on the type and proportion of the components.
That will prevent corrosion.
The grease in question is dielectric grease bulb grease which is used for in this case automotive light bulb sockets.