Txoj kab uas hla 80.5 hli, thickness ntawm Al 99.5 ntawv = 0.5 hli, 3-txheej
1st – app. 0.040mm, hlau diam. 0.035mm, 340 mesh
2nd – App. 0.040mm, hlau diam. 0.035mm, 340 mesh
3rd – App. 0.25mm, hlau diam. 0.16mm, 62 mesh
Txoj kab uas hla 110 hli, thickness ntawm Al 99,5 daim ntawv = 0.5 hli, 3-txheej
1st - ib. 0.63mm, hlau diam. 0.40mm, 25 mesh
2nd – App. 0.20mm, hlau diam. 0.125mm, 78 mesh
3rd – App. 0.075mm, hlau diam. 0.050mm, 200 mesh