Walnut Shell Blasting vs Pyrolysis Hydrogen Gas and Chemical-Based Processes
The History of Walnut Shell Blasting and BMW’s Role Walnut shell blasting has long been a trusted method for cleaning carbon deposits from intake valves. Its roots in the automotive industry date back to the mid-1980s, when BMW encountered significant issues with intake valve deposits in certain engines. The culprit? The substandard fuels available in the U.S., lacked the…