BONDERITE C-IC SMUTGO NC AERO Chromate-free, concentrated liquid metal cleaner for deoxidising and desmutting aluminium alloys by immersion and/or spray methods. BONDERITE® C-IC SMUTGO NC AERO is a dark brown, chromate-free, concentrated liquid metal cleaner for deoxidising and desmutting aluminium alloys by immersion and/or spray methods. It is ideal for processing alloys that require low surface resistance prior to anodising, conversion coating, bonding or welding. BONDERITE C-IC SMUTGO NCB AERO will give a higher etch rate..