YECOA YL-807

YECOA YL-807 is black magnetic particles as an ultra-precise high-sensitivity general magnetic

particle for inspection by White light. It is of a non-corrosive, low toxicity, high-boiling point,

oil-based type as an economical and efficient product since it is uniformly coated upon spray with

addition of a special dispersant. YL-807 can be applied to internal defect parts on and close to the

surface, as a suitable product upon inspection of in-process defect parts and final product's defect parts.