Full definition
Flexible strip installed between the metal skirtboard and the belt surface at the loading zone to seal the gap and prevent leakage of fine material and dust. Materials: natural rubber (45-55 Shore A), polyurethane, or nitrile rubber (for oily materials). Dual-seal system: primary containment strip and secondary dust seal. Brands: Martin Engineering, ASGCO, Brelko. Bolt-adjusted to maintain gentle contact with the belt without accelerating surface wear.