Impregnating Insulating Varnish

Model	Chemical base	Viscosity	Thermal Class	Mixing Ratio	Curing Cycle	Features	Applications
YD1038	Amino-alkyd	30-40s	B	Single	120-130°C / 2-4 h	Fast drying with glossy film and excellent film forming.	Open-type medium and small motors and electrical coils.
YD1038-1	Amino-alkyd	11-15s	B	Single	120°C / 1-3 h	Low-temperature fast drying.	Open-type small motor stators and electrical coils.
YD319-F1 (319-5)	Unsaturated Polyester	30-50s	F	Single	130-140°C / 3-5 h	Fast curing, elastic film.	DIP and VI of medium and small motor stator coils.
YD319-F6 (319-2)	Heat-resistant Polyester	30-50s	F	Single	130-150°C / 3-5 h	Fast curing, high bond strength.	DIP and VI of motors, generators and transformers.
YD319-H1	Epoxy Modified Unsaturated Polyester	30-50s	H	Single	140-160°C / 3-5 h	Superior refrigerant resistance,excellent heat resistance,high mechanical strength.	DIP and VI of motor and electrical coil,also suitable for industrial compressor motors.
YD319-H2	Modified Polyester	40-60s	H	Single	140-160°C / 3-5 h	Nano-modified product with high varnish retention, high mechanical strength, excellent heat resistance.	VI of motors and electrical coils with high insulation requirements.
YD319-H3	Modified Polyester	40-60s	H	Single	140-160°C / 4-5 h	V-0 flame retardant (UL94) with excellent heat resistance, high mechanical strength.	VI of special motors such as new energy vehicle motors and transformer coils.
YD319-H4	Modified Polyester	60-110s	H	Single	140-160°C / 4-8 h	Very low VOC emissions with light odor, high mechanical strength.	VI of high-end motors and transformer coils.
YD319-H5	Unsaturated Polyester	60-110s	H	Single	140-160°C / 3-5 h	Low VOC emissions, excellent heat resistance.	VI of motors and transformer coils.
YD319-H6	Epoxy Modified Unsaturated Polyester	90-120s	H	Single	150-160°C / 4-6 h	V-0 flame retardant (UL94), low VOC emissions, light odor, high mechanical strength.	VI of special motors such as new energy vehicle motors.
YD319-H7	Modified Polyester	50-80s	H	100:2	150-160°C / 3-5 h	Excellent heat resistance and thermal conductivity with high film strength .	DIP and VI (continuous) of microwave ovens, frequency converters and reactors.
YD319-H8	Modified Polyester	60-70s	H	100:1	120-140°C / 1-2 h	Excellent thermal conductivity, high bond strength and varnish retention.	For EV motors and new energy vehicle inverter motor insulation treatment.

product series