Researchers at the Institute of Heritage Restoration and the Polytechnic University (IRP) of Valencia, Spain, are now cleaning the 17th-century frescos using bio-enzymatic cleaners. The IRP researchers have found that …
Bio-enzymatic Cleaners
Acids to chemicals to bio-products – all cleaning agents are intended to clean, disinfect and sanitise. But lack of proper knowledge of the ingredients in each agent & their properties …