... range: 12V to 240V self-control longer life time PTC Heater for milk warmer is a new type fo flame free PTC ... element , alumimun, Insulated film , wire and so on.PTC Heater for milk warmer have many advantage as follow:1. longer lifetime.2 ... 80 Centidegree to 285 Centidegree.6.stable powerPTC Heater for milk warmer use in milk warmer, thermos cup, coffee pot, tea pot, the ...