UltraBlack blacking salts provide excellent coatings on a variety of substrates, producing a uniform black finish.
Alutech: a specialist supplier & distributor of blacking salts for metal surface treatment.
Our blacking salts are a hot process, developed to provide a high-quality black oxide coating on iron and steel. Results in an excellent uniform black finish when impregnated with oil.
The market-leading UltraBlack range is available in 25kg pack sizes with fast delivery across the UK.