IP20: Non-waterproof
IP65 PU: PU glue covering
IP65 SI: Silicone glue covering
IP65 SP: Spray silicone glue on the surface
IP65 Nano: Nano coating on the surface
IP67: Silicone tube waterproof
IP67D: Hollow silicone extrusion in “D” shape
IP67S: Hollow silicone extrusion in “S” shape
IP68D: Solid silicone extrusion in “D” shape
IP68S: Solid silicone extrusion in “S” shape