... market for over 10 years.JXL-920 Type Ash, moisture,volatile matter percentage analyzer I. Instrument Features:1. Adopting microprocessor as ... /GB5447/GB5449, having high-speed ash contents, slow ash contents, volatile matter percentage, Roga index, Caking index and other professional heating ... , plz feel free to contact me! JXL-920 Ash, moisture,volatile matter percentage analyzer