... industrial dehumidifiers 1:-40 degree dew point 2:P.I.D temp control system 3:dehumidifying, drying,loading plastic desiccant ... Dehumidifying, Drying and Loading 1: controlling methods: standard way: P.I.D temperature controlling system optional way: LCD touch screen controlling ... PA, PC,LCP,PET,etc. • dew point: - 40°c, even up to -50°c at the optimal circumstance • drying air: down blowing drying ...