How was WD 40 created
William Cox
Updated on April 28, 2026
WD-40 stands for Water Displacement, 40th formula. That’s the name straight out of the lab book used by the chemist who developed the product. The first company to use WD-40 Multi-Use Product commercially was Convair, an aerospace contractor, to protect the outer skin of the Atlas Missile from rust and corrosion.
How did they come up with WD-40?
WD-40 stands for Water Displacement, 40th formula. That’s the name straight out of the lab book used by the chemist who developed the product. The first company to use WD-40 Multi-Use Product commercially was Convair, an aerospace contractor, to protect the outer skin of the Atlas Missile from rust and corrosion.
Who developed WD-40?
Norm Larsen, the Rocket Chemical technician who invented WD-40, soon came up with the idea of selling it to the general public. WD-40 hit store shelves in San Diego in 1958.
When did they invent WD-40?
That’s the name straight out of the lab book used by the chemist who helped develop WD-40 back in 1953. Norman Larsen was attempting to concoct a formula to prevent corrosion, a task which is done by displacing water. Norm’s persistence paid off when he perfected the formula for WD-40 on his 40th try.Did NASA create WD-40?
WD-40 was invented in San Diego in 1953 as a rust-prevention solvent for Atlas missile outer skins. … It made history again in 1964 when NASA used WD-40 on Friendship VII, in which astronaut John Glenn circled the Earth. In 1970, the Rocket Chemical Company was renamed WD-40 Company.
Is WD-40 a fish attractant?
WD40 is not a fish attractant! … While WD-40 can be used to help protect fishing equipment from rust and corrosion, WD-40 Company does not recommend using WD-40 to attract fish.”
How toxic is WD-40?
Ingestion: This product has low oral toxicity. If swallowed, this material may cause irritation of the mouth, throat and esophagus. Swallowing may cause gastrointestinal irritation, nausea, vomiting, diarrhea, dizziness, drowsiness and other central nervous system effects. This product is an aspiration hazard.
Is WD-40 flammable?
WD-40 is flammable as an aerosol and though technically, the ingredients in the WD-40 are combustible, not flammable. But in aerosol form, when propelled by the butane or other flammable aerosol, (also due to the change in surface area to volume ratio) it is highly flammable.What was WD-40 originally made for?
“WD-40” is abbreviated from the term “Water Displacement, 40th formula”, suggesting it was the result of the 40th attempt to create the product. The spray, composed of various hydrocarbons, was originally designed to be used by Convair to protect the outer skin of the Atlas missile from rust and corrosion.
Is WD-40 an oil based lubricant?Fact: While WD-40 Multi-Use Product it is not a grease, it is formulated with strong lubricating oils and other ingredients, and is a terrific product to use for bike maintenance. It does not attract dirt or moisture to metal surfaces – just be sure to wipe off any excess WD-40 Multi-Use Product before riding.
Article first time published onWhat does WD-40 stand for?
Take a trip through WD-40 Company history WD-40 stands for Water Displacement, 40th formula. That’s the name straight out of the lab book used by the chemist who developed the product.
Does WD-40 displace water?
In all seriousness, WD-40 really does what it claims. … To put it succinctly, WD-40 is a great water displacement spray.
Is WD-40 cancerous?
Unfortunately, the workers using WD-40 day in, day out, were likely exposed to benzene, a cancer-causing toxin that was present in WD-40. Since World War II, benzene has been known to cause cancers such as non-Hodgkin’s Lymphoma (NHL), acute myelogenous leukemia (AML), and myelodysplastic syndrome (MDS).
Is WD-40 safe to use on skin?
Also, understand that it can be very harmful if swallowed and can aggravate respiratory issues if not used in a well-ventilated area. Furthermore, it can irritate skin, so ignore any advice to use it on your skin to “lubricate” your joints. WD-40 comes with a long assortment of uses – just be sure to utilize it safely.
How do I get rid of WD-40?
Paint thinner, naphtha, simple green, goo gone , goof off, basic degreaser, 409, any of those will remove WD-40.
Why do fishermen use WD-40?
When applied directly to your fishing equipment, WD-40 will create a layer of protection to shield it from corrosion and rust. However, the company itself does not recommend that you use the product for the sole purpose of attracting fish.
Do catfish like WD-40?
“I’ve caught all different species of catfish with it, but mostly blues and channel cats,” says Porter. “I usually have other baits out, too, like cut shad, but most times the WD-40 chicken outdoes the others.”
Will WD-40 hurt cats?
Alex Campbell of the VPIS told FAB that WD40 contains petroleum distillates which can be a considerable irritant to the skin and particularly foot-pads of cats and dogs. Exposure to the liquid could result in blisters, inflammation and burning.
Is WD 40 safe on car paint?
WD-40 is filled with a lot of products when applied to car paint alone – can be harmful to paint. … However, due to the brilliant mixture and blend of ingredients – Yes – it’s SAFE to use on paint.
Is WD-40 made of fish oil?
WD-40 does not contain fish oil, contrary to a popular myth, nor does it contain silicone, kerosene, water, wax, graphite, chlorofluorocarbons (CFCs). … The product has never needed a Billy Mays; as the ShamWow guy might say, WD-40 sells itself.
Where should you not use wd40?
- Door hinges. Sure, WD-40 will stop the squeaking, but it also attracts dust and dirt. …
- Bike chains. WD-40 can cause dirt and dust to stick to a chain. …
- Paintball guns. WD-40 can melt the seals in the guns.
- Locks. …
- iPods and iPads.
Is WD40 silicone based?
A multi-surface Silicone lubricant that lubricates, waterproofs and protects. WD-40 Specialist Silicone Lubricant safely lubricates, waterproofs and protects metal and non-metal surfaces such as rubber, plastic and vinyl.
Is WD40 corrosive to rubber?
WD40 is just a penetrating oil spray – it’s not a caustic rust remover or some aggressive chemical. Just a “water displacing” (WD) oil spray and its generally pretty safe (safe for paint, chrome, rubber, glass, body plastics – most materials cars are made out of).
Why Spray WD40 up your faucet?
2. Leaky Faucet. Although leaky faucets may seem like a small issue, it should never be ignored as all those drops of water add up, and if it’s not addressed properly, could turn into a larger problem. … Spray a little WD-40 Multi-Use Product to loosen the screw, and unscrew the faucet handle from the stem.
How does WD-40 remove water?
To do this WD-40 is likely using a non-ionic surfactant of some sort similar to what is used in shampoos to emulsify the water and allow the flow of the WD-40 spray to remove (displace) the emulsified water.
How long does it take for wd40 to evaporate?
Its defined as a petroleum-based solvent that evaporates, leaving behind a non-volatile lubricant. So, 15 minutes is the lenght of time for the solvent to evaporate, leaving of course a nice finish. The recommended shelf-life is 5 years after buying the item in the shop, but an indefinite period after that is okay too.
Will wd40 stop condensation on windows?
“In fact, it can be quite the opposite; condensation can be a sign that your windows are airtight by keeping the moisture inside your home.” … Use the WD-40 Multi-Use Product to spritz the entire window and use a clean, dry microfiber cloth to work it into the glass.
Why does WD-40 work so well?
First, the WD-40 loosens rust and corrosion, which it actually does well. For a while, parts that you applied the product to will move smoother than they used to. After the volatile compounds have evaporated, however, moving parts will start to seize up again.
Does WD-40 wash out of clothes?
WD-40 is a petroleum-based lubricant that can cause stains on clothes. But it also can help to remove stains. … Then, treat the stain with a commercial stain remover or a heavy-duty detergent, and wash in the hottest water recommended for the fabric.
Can you use WD-40 to clean toilets?
When cleaning a toilet bowl, WD-40 works by softening the rust and lime deposits, so they can be easily wiped away. You don’t need to use much of it. Simply spray on the affected area, wait a minute or two and brush it away with a regular toilet brush.