... -220 degree glue pot has the high-tech electronic ceramics PTC heating up fast, specialty, durable. Description: glue potType: ... furnaces, the high-tech electronic ceramics "hot" to make PTC heating up fast, specialty, durable, life saving. With environmental ... durable.Properties:1. This product USES high-tech ceramics PTC thermistor for heating elements, heating speed, the temperature accurately and ...