Bilt Hamber Auto Clay Medium

Clay Bars, Mitts and Lubes

Bilt Hamber auto-clay medium 200g is an easy-to-use paint cleaning clay that provides a fast and efficient method for removing embedded particulate contamination from vehicle paints and clear coat finishes.

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200g £11.94 Inc VAT
Out of Stock £9.95 Ex VAT

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6 reviews
5/5.0 Average Rating

I am impressed at how easily auto-clay medium eliminates stubborn contaminants, leaving a smooth and beautiful finish on my vehicle.

Review by Darren, rated

imo the best clay available, easy to use, easy to cut down into smaller blocks for better longevity.

Review by Andy, rated

Very easy to use - just followed the guide on this site. I was a bit sceptical about the idea of claying, but it picked up a fair bit of grot from the paintwork and left it glassy-smooth for polishing. The eventual finish after polishing and waxing is amazingly good. A good amount of clay for the price, and no special lubricant needed, so good value.

Top service from detailedclean, will be ordering from them again.

Review by Neil, rated

I bought this clay to give my car a good clean. It worked a treat! Easy to use and lifted dirt from my paintwork which you couldn't see, especially along to bottom of the doors and the front bumper.

Review by Smartdetail, rated

A good size block of clay at a decent price, that comes in its own plastic storage box. I cut mine in half as soon as I got it and use a small tupperware container for the piece that's currently being used. Slides nicely on the car with a quick detailer as lube. It can leave some clay residue on the vehicle, but that wipes off very easily. The clay is not as malleable as I thought it might be, so it is tough to shape into an ideal 'patty'. Does what is meant though and will certainly lift unwanted grime and particles from your paint, which afterwards will feel silky smooth. Overall... a good purchase.

Review by Pete, rated

A really excellent clay that is genuinely usable with just water. After other brands, it is just so easy to use and works a treat. Can get soft if the temperature rises so I just added a few ice cubes to the spray bottle :)

Review by Bunyarra, rated

Bilt Hamber Auto Clay Medium

Bilt Hamber auto-clay medium 200g is an easy-to-use paint cleaning clay that provides a fast and efficient method for removing embedded particulate contamination from vehicle paints and clear coat finishes.

The extremely small and soft particles that make up the soft pliable mass ensure that the clay is as gentle as possible to the paint surface while imparting a powerful pulling action on the embedment. Needing only tap water as a lubricant, or a lubricant such as Bilt Hamber auto qd the big 200g bar is economic, efficient and made in England. Supplied in a quality storage box and with full detailed instructions.


Use as like any other clay bar: Spray either water or a quick detailer on the area you are going to work on and then rub Auto clay across the lubricated area several times. Rub the autoclay side to side if you feel the clay stick re-lubricate the area.

As always if you drop autoclay do not re-use it but throw it away. Instructions from Bilt Hamber: Competing clays require the use of special lubricants. Bilt-Hamber Laboratories auto-clay differs as its formulation enables normal tap water to provide the necessary lubrication.

Some clay bars contain surfactants such as powdered detergents or soaps. Long-term use of surfactants can have adverse effects on paint systems - auto-clay contains no surfactants detergents soaps or other soluble materials. Before using auto-clay thoroughly wash your car to remove any loose dirt. Direct sunlight should not fall on your car’s surface, and it’s best if the work area is relatively cool, but not cold. Rinse new clay bars in water.

Regular grade clay can be softened in warm water for use in colder weather While some users prefer to use the whole bar, it’s satisfactory to cut the bar into four pieces. To use the clay bar spray water with a plant mister on a small area of your car and rub the bar back and forth with light pressure.

Auto-clay should glide across your paint keep the paint surface wetted thoroughly. Auto-clay must not be used dry. Listen carefully - at first you will hear the bar as it pulls the particles away from the paint, the noise and friction will disappear quickly. After a few passes with the ClayBar, rub your fingers over the area to feel if the surface contamination was removed. Keep rubbing until all contamination is gone.

Finally, wipe the clay residue off with a soft terrycloth towel, Just like waxing, work in small areas What you will see coming off of the car and depositing itself on the clay bar is a reddish brownish residue, this is what you want to see. As the clay bar becomes soiled, simply fold it over squash it out and keep going. Under no circumstances should the clay bar be used if dropped on the ground, inside or out!

The clay bar that comes in this pack is good for about 4 or 5 cleans on the average sized car. Once the paint is clean wax immediately.

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about Bilt Hamber

image_desc Bilt-Hamber Laboratories has always used research, innovative chemistry and thorough testing as the way to produce better performing products.

High performance products for a wide range of applications, from vehicle detailing, aviation and heavy industry to offshore corrosion protection and more.

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