I-LBH wiper iyisici esivalayo esisetshenziswa ekusetshenzisweni kwamanzi ukuvimbela zonke izinhlobo zezinhlayiya zangaphandle ezingezinhle ukuthi zingene kumasilinda.
Kulinganiswe ngezinto ze-NBR 85-88 Shore A. Kuyingxenye yokususa ukungcola, isihlabathi, imvula, nesithwathwa intonga ye-piston ephindaphindayo enamathela kukho ngaphandle kwesilinda ukuvimbela uthuli lwangaphandle nemvula ukuthi ingangeni ingxenye engaphakathi yomshini wokuvala uphawu.