Grit ɗin harsashin gyada wani samfuri ne mai tauri da aka yi da harsashin gyada da aka niƙa ko aka niƙa. Idan aka yi amfani da shi azaman hanyar fashewa, grit ɗin harsashin gyada yana da ƙarfi sosai, kusurwa da fuskoki da yawa, duk da haka ana ɗaukarsa a matsayin 'mai laushi'. Grit ɗin fashewar harsashin gyada kyakkyawan maye gurbin yashi (silica kyauta) don guje wa matsalolin lafiya na shaƙa.
Tsaftacewa ta hanyar busar da harsashin goro yana da tasiri musamman inda saman abin da ke ƙarƙashin fenti, datti, mai, sikelin, carbon, da sauransu ya kamata ya kasance ba a canza shi ba ko kuma ba shi da lahani. Ana iya amfani da ɓawon ɓawon goro a matsayin tauri wajen cire abubuwan da ba a gani ko shafa daga saman ba tare da gogewa ba, gogewa ko lalata wuraren da aka tsaftace.
Idan aka yi amfani da kayan aikin busar da harsashin gyada da ya dace, aikace-aikacen tsaftace fashewar sun haɗa da cire bangarorin motoci da manyan motoci, tsaftace molds masu laushi, goge kayan ado, kayan aiki da injinan lantarki kafin a sake juyawa, goge robobi da goge agogo. Idan aka yi amfani da shi azaman hanyar tsaftace fashewar, grit ɗin harsashin gyada yana cire fenti, walƙiya, burrs da sauran lahani a cikin ƙera filastik da roba, aluminum da zinc die-casting da masana'antar lantarki. Harsashin gyada na iya maye gurbin yashi a cikin cire fenti, cire graffiti da tsaftacewa gabaɗaya a cikin gyaran gine-gine, gadoji da kuma kayan tarihi na waje. Hakanan ana amfani da harsashin gyada don tsaftace injunan jirgin sama da turbines na tururi.
| Bayanin Grit ɗin gyada | |
| Matsayi | Rata |
| Ƙarfi sosai | 4/6 (4.75-3.35 mm) |
| Matsakaici | 6/10 (3.35-2.00 mm) |
| 8/12 (2.36-1.70 mm) | |
| Matsakaici | 12/20 (1.70-0.85 mm) |
| 14/30 (1.40-0.56 mm) | |
| Lafiya | 18/40 (1.00-0.42 mm) |
| 20/30 (0.85-0.56 mm) | |
| 20/40 (0.85-0.42 mm) | |
| Mafi Kyau | 35/60 (0.50-0.25 mm) |
| 40/60 (0.42-0.25 mm) | |
| Gari | 40/100 (micron 425-150) |
| 60/100 (makironi 250-150) | |
| 60/200 (makironi 250-75) | |
| -100 (micron 150 da mafi ƙanƙanta) | |
| -200 (micron 75 da mafi ƙanƙanta) | |
| -325 (micron 35 da mafi ƙanƙanta) | |
| Psunan samfurin | Binciken Kusa | Al'adar Dabbobi | ||||||||
| Gurasar Ƙwallon Gyada | Cellulose | Ligin | Metoxyl | Nitrogen | Chlorine | Cutin | Narkewar Toluene | Toka | Takamaiman Nauyi | 1.2 zuwa 1.4 |
| Kashi 40 - 60% | 20 - 30% | 6.5% | 0.1% | 0.1% | 1.0% | 0.5 – 1.0% | 1.5% | Yawan Girma (lbs a kowace ƙafa 3) | 40 - 50 | |
| Sikelin Mohs | 4.5 – 5 | |||||||||
| Danshi mara amfani (80ºC na tsawon awanni 15) | 3 – 9% | |||||||||
| pH (a cikin ruwa) | 4-6 | |||||||||
| Flashpoint (ƙofin rufewa) | 380º | |||||||||
