Amabhulashi esikhumba edayimane abrasive asetshenziswa ikakhulukazi emshinini wokupholisha ozenzakalelayo oqhubekayo wokupholisha i-quartz kasimende wokwenziwa, umphumela wokugcina uwukuqedwa kwesikhumba.
Izintambo ze-silicon zakhiwe ngo-25-28% we-silicon carbide okusanhlamvu okumnyama noma okuluhlaza kanye neyiloni PA610, bese ihlanganisa izintambo ekhanda lebhulashi le-Fickert isebenzisa ingcina eqinile, ukuze ibhulashi lisetshenziswe ekhanda elicacisiwe lokupholisha emshinini wokupholisha othomathikhi.
Ikhanda lebhulashi lepulasitiki liklanywe ngonqenqema olwehlelayo ukuze kugwenywe ukuphula indawo yetshe lapho amabhulashi efinyelela ekupheleni kwesikhathi sawo sokuphila, ukuvikela ama-slabs ekuklwebheni nasekulimaleni.