Hebei Hankai shaft seal wheel hub

2. Contaminant Protection Grease seals act as a first line of defense against contaminants. Dust, water, and debris can enter the bearing assembly and potentially lead to corrosion, pitting, and other forms of wear. By keeping these contaminants out, grease seals help maintain the integrity of the bearings.
wheel bearing grease seal

Door foam strips also possess excellent insulating properties. The foam material creates a barrier that not only prevents drafts but also helps insulate your home against temperature fluctuations. This is particularly beneficial in extreme weather conditions, where maintaining a consistent indoor climate is essential. In cold winters, a properly sealed door keeps the warm air inside, while during the summer, it prevents hot air from infiltrating your living space.
door foam strip
