Use silicone sealant: 
 Sealant, sealant, Shenzhen, Shenzhen, single component silicone sealant solvent-free non-toxic, no pollution, no corrosion, temperature _60-+300 ° C room temperature curing. Easy to use, has excellent electrical insulation and arc engaged in the performance. Dedicated to electric heating, steam irons bonding, sealing, insulation. 
 Silicone sealant to use: 
 Components in the working parts to be glued, for general cleaning and drying, the silicone rubber hose out from the direct adhesive bonding, at room temperature for 12-24 hours after bonding the longer the better placed, larger area, such as adhesive, adhesive layer is thick, take place several days to fully cure.