zzkd znhw лаборатории цифровая панель управления электрический толковейший контроль температуры нагрева модели мантийной полной гарантией ка

1. large heating area, quick heating-up, no open flame, good insulation 2. electric heating mantle 3. liner use high temperature alkali-free fiberglass as insulation materials 4.mainly used in petrochemical, universities, pharmaceutical and other industries laboratory liquid heating. 5.inner sleeve 6.liner adopts high temperature alkali-free fiberglass as insulation materials,which seal the resistance wire in the insulating layer, and then woven into hemispherical heater.