Iiflekhi zeglasi ziipleyiti zeglasi ezibhityileyo ngokugqithisileyo ezinobunzima obuyi-avareji ye-5 ± 2 micrometer.Inokuthi isetyenziswe kwiingubo ezichasene ne-corrosive, iipeyinti kunye ne-pigments ukukhusela ukubola, inokusetyenziswa njengento yokomeleza ekwenzeni izinto ezidibeneyo.
