... windows, doors, etc. It has a good sealing function, can reduce the noise and avoiding dust,water or air to leak inside ... and colors are available Quality : All manufacturing processes confirm to the ISO-9001,14001,TS16949,FDA,SGS,ROHS Standard. OEM :crashproof ... &EPDM&PVC extrusion parts. 2. Function: silicone tube can bear the high low temperature, non-toxic tasteless, insulation, anti-ozone, bears ...