;
O le auala pusa malulu e faasino i se resini oneone faiga faiga e catalyzed / malo e ala i le feula i le kesi po o le aerosol, ma fausia vave i le potu vevela.O le auala masani o le triethylamine method, lea e faʻaaogaina ai le phenolic-urethane resin ma faʻamaʻaʻaina e ala i le sasaina o le triethylamine gas.O uiga o lenei faiga e: o le oneone autu e mafai ona faʻaaogaina mo se taimi umi, o le taimi e faʻapipiʻi ai e puʻupuʻu, o le gaosiga lelei e maualuga, ma le faʻaaogaina o le malosi e maualalo.
Diesel engine castings, e pei o poloka ogalaau, ulu ogalaau, intake ma paipa alu, ma isi, o nisi e i ai foliga lavelave autu ma vaega laiti vaega cross-sectional vaega, lea e faigofie i fana sese, gau, ma isi, po o veins e aliali i totonu o le. fa'amea ona o le fa'alauteleina tele o le oneone silica.O le avanoa o faaletonu e pei o le oneone pipii ma pores e matua maualuga foi.
O le faʻaaogaina o le oneone sima poʻo le faʻafefiloi o le oneone ma le silica oneone i le faʻatusatusaga, o le aofaʻi o le resini faʻaopoopo e faʻaititia e le 20-30%, ma o faʻaletonu o loʻo i luga ua faʻaleleia atili.I le taimi lava e tasi, o le oneone autu o loʻo i ai le paʻu lelei, lea e faʻaitiitia ai le mamafa o galuega o le faʻamamaina o le faʻamalo.O le i'uga, ua fa'aaogaina e le tele ma sili atu ma sili atu le fa'aputuina o afi afi tiso ua fa'aaogaina le tekonolosi pusa sima malulu.
Vaega Vailaau Autu | Al₂O₃≥53%, Fe₂O₃<4%, TiO₂<3%, SiO₂≤37% |
Fuga o Saito | Spherical |
Coefficient Angular | ≤1.1 |
Lapata'iga | 45μm -2000μm |
Fa'aleaogaina | ≥1800℃ |
To'atele Tele | 1.5-1.6 g/cm3 |
Fa'alauteleina o le vevela(RT-1200℃) | 4.5-6.5x10-6/k |
Lanu | oneone |
PH | 6.6-7.3 |
Fa'asologa o minerale | Mullite + Corundum |
Tau ole acid | <1 ml/50g |
LOI | <0.1% |
oneone Mata | Resin Faaopoopo. | 2h Malosi Tensile | Gas Evolution |
Sand Ceramic Sintered | 1.5% | 2.098 MPa | 10.34 ml/g |
oneone olo | 1.5% | 1.105MPa | 13.4 ml/g |
oneone tao | 1.5% | 1.088 MPa | 12.9 ml/g |
Sand Ceramic Sintered + Sand Sand | 1.5% | 1.815 MPa | 12.5 ml/g |
Sand Ceramic Sintered + Sand Tao | 1.5% | 1.851 MPa | 12.35 ml/g |
Chromite Sand + Sandona olo | 1.5% | 0.801 MPa | 10.85 ml/g |
Chromite Sand + Sandona Tao | 1.5% | 0.821 MPa | 10.74 ml/g |
oneone Mata | Veins | Autu gau | Sinter | Choke | Aofa'iga |
Sand Ceramic Sintered | 0% | 2% | 0% | 0 | 2% |
oneone olo | 28% | 12% | 4% | 3% | 47% |
oneone tao | 24% | 10% | 3% | 2% | 39% |
Sand Ceramic Sintered + Sand Sand | 12% | 4% | 1% | 2% | 19% |
Sand Ceramic Sintered + Sand Tao | 7% | 3% | 2% | 2% | 14% |
Chromite Sand + Sandona olo | 13% | 6% | 5% | 4% | 28% |
Chromite Sand + Sandona Tao | 12% | 4% | 2% | 2% | 20% |
E mafai ona fa'avasegaina le fa'asoaina o le lapopo'a e tusa ai ma lou mana'oga.
Mesh | 20 | 30 | 40 | 50 | 70 | 100 | 140 | 200 | 270 | Pan | AFS | |
μm | 850 | 600 | 425 | 300 | 212 | 150 | 106 | 75 | 53 | Pan | ||
Code | 40/70 | ≤5 | 20-30 | 40-50 | 15-25 | ≤8 | ≤1 | 43±3 | ||||
70/40 | ≤5 | 15-25 | 40-50 | 20-30 | ≤10 | ≤2 | 46±3 | |||||
50/100 | ≤5 | 25-35 | 35-50 | 15-25 | ≤6 | ≤1 | 50±3 | |||||
100/50 | ≤5 | 15-25 | 35-50 | 25-35 | ≤10 | ≤1 | 55±3 | |||||
70/140 | ≤5 | 25-35 | 35-50 | 8-15 | ≤5 | ≤1 | 65±4 | |||||
140/70 | ≤5 | 15-35 | 35-50 | 20-25 | ≤8 | ≤2 | 70±5 | |||||
100/200 | ≤10 | 20-35 | 35-50 | 15-20 | ≤10 | ≤2 | 110±5 |