Saturated fleece is made from DMD and special heat resistant resin. It has the characteristics of long storage life, low curing temperature and short curing time. After being cured, it has excellent electrical properties, good adhesion and heat resistance. The heat resistance is Class 'F'. Saturated fleece is used for layer insulation or liner insulation of low-voltage copper foil winding in dry-type transformers as well as slot insulation and liner insulation in Class 'B' and 'F' electric motors and electric appliances. It passed the thermal aging routine test fulfilled by Quality Supervision and Testing Centre of Global machinery industry for Electromechanical Materials. It also passed SGS test for toxic and hazardous substance detection.