Brown Derby is one of the most popular truck wash detergents in the industry. Used as directed, it will clean painted surfaces without damage. It excels to remove carbon stack stain and magnetic road film from tractors/trailers without brushing. It will work in cold water as well as hot water, and rinses free at any temperature. It will clean and brighten aluminum surfaces and is designed for heavy-duty truck washing. As is, this product may be metered at 1:100 for hot water or 1:50 for cold water. Do not use on polished / anodized aluminum or surfaces protected with poly sealers. BROWN DERBY conc. should be effective in hard water to about 20 grains of hardness.
Contains Sodium Hydroxide. USDA approved. If buying more than two gallons a hazmat fee of $28.50 will be added to your order.