What is WD-40?? Is a question you may find yourself asking a lot, you know the can, you know the name and you might know that is has over 2,000 uses! How does it do all it says it can and what exactly is it? Find out answers to some top WD-40 questions below…

What does WD-40 Stand For?

Wd-40 literally stands for water displacement, 40th formula…WD-40 Multi-Use-Product is the name the chemist who developed the product back in 1953 used, straight from his lab book. The chemist was Norm Larsen, working in a small lab in San Diego, California. He attempted to create a formula to prevent metal corrosion on rockets for the Aerospace industry. Norm’s persistence paid off when he perfected the formula on his 40th try.

When did WD-40 start being used?

WD-40 made its first appearance on the shelves in the USA in 1958. By 1960, an average of 45 cases were sold per day from the trunks of vehicles. By 1993, one million were being sold each week. And as a result, today, WD-40 is available in 187 countries worldwide!

What does WD-40 do?

Wd-40 multi-use product fulfils five basic functions:

  • LUBRICATES: You can apply the product’s lubricating ingredients with a wide spray, and adhere to all moving parts.
  • PENETRATES: WD-40 Multi-Use Product loosens rust-to-metal bonds and frees stuck, frozen or rusted metal parts.
  • PROTECTS: The product protects metal surfaces with rust-resistant ingredients to shield against moisture and other corrosive elements.
  • REMOVES: WD-40 Multi-Use Product gets under dirt, grime and grease. Use it to remove gunk from tools, equipment and vehicles. WD-40 Multi-Use Product in liquid form (e.g., gallon) also dissolves adhesives, allowing easy removal of excess bonding material.
  • DISPLACES MOISTURE: Because it displaces moisture, WD-40 Multi-Use Product quickly dries out electrical systems to eliminate moisture-induced short circuits.
What Is WD-40?

WD-40 multi use product

What does WD-40 Multi-Use-Product contain?

WD-40 Multi-Use product is a versatile solution for use at home, in a garage, or a factory. It’s a complex blend of lubricating oils, performance additives, surfactants and solvents which combine to deliver lubrication, water displacement, cleaning and rust protection on various metal surfaces. We can’t really tell you what’s inside as this is our best-kept secret, however, we can tell you what it doesn’t contain:

  • WD-40 does not contain fish oil.
  • It does not contain any carcinogens, teratogens or mutagens.
  • It does not contain any heavy metals.
  • WD-40 doesn’t contain any substances covered by SVHC (Substances of Very High Concern).
  • It also doesn’t contain any silicone and WD-40 is acid free.
  • It does however contain CO2 propellant (instead of Liquid Petroleum Gas or LPG) therefore you get more product in each can.

What is the shelf life for WD-40 Multi-Use-Products?

We manufacture WD-40® to a high degree of specifications. Therefore the product should continue to perform as expected for almost an indefinite period of time. However, actual performance is affected by the longevity of mechanical items such as the valve assembly on aerosol cans. As such, the shelf life is considered to be 5 years from the date of production; however, product will often dispense and perform as expected for considerably longer. You should store WD-40® between 4 and 54 degrees centigrade, and always shake before use.

Now you know your history and key facts about WD-40, get to know some of its best uses too! Find top uses for home and garden, uses for cars, how wd-40 can be used on motorbikes and used on bicycles. If you are looking for even more WD-40 information check out our range pages covering, Multi-Use, WD-40 Specialist, Specialist Motorbike and WD-40 Bike range to learn about the different products all part of the WD-40 family!