Foundry Keramik Sand, teknis dijenengi minangka "Sintered Keramik Sand for Foundry", uga dijenengi minangka ceramsite, cerabeads, ceramcast, sawetara negara uga dijenengi Golden Sand, iku wangun glepung bunder Ponggawa apik kang digawe saka bauksit calcined. Isi utama yaiku aluminium oksida lan Silicon oksida. Wedhi keramik, nduweni sifat sing luwih apik tinimbang wedhi silika kanggo entuk kinerja sing luwih apik ing pengecoran. Nduwe refractoriness dhuwur, expansion termal sethitik, koefisien sudut apik, flowability banget, resistance dhuwur kanggo nyandhang, tresna lan kejut termal, tingkat reclamation dhuwur.
| Komponen Kimia Utama | Al₂O₃≥53%, Fe₂O₃<4%, TiO₂<3%, SiO₂≤37% |
| Bentuk gandum | Bunder |
| Koefisien Sudut | ≤1.1 |
| Ukuran Partikel | 45μm -2000μm |
| Refractoriness | ≥1800 ℃ |
| Akeh Kapadhetan | 1,5-1,6 g/cm3 |
| Ekspansi Termal (RT-1200 ℃) | 4.5-6.5x10-6/k |
| warna | pasir |
| PH | 6.6-7.3 |
| Komposisi Mineral | Lembut + Korundum |
| Biaya Asam | <1 ml/50 g |
| LOI | <0,1% |
Kaist ceramic foundry sand is about half as light as zircon and chromite, is about third as light as fused ceramic sand. Compared to these natural sand and other foundry media (the material is able to turn out about twice the number of molds per unit weight). Kaist ceramic foundry sand can deliver mold and core packages with a range of benefits that include higher-strength sand casting packages, with high heat resistance, low thermal expansion, improved final part resolution and a smoother surface finish. It can also be handled very easily, saving labor and transfer power costs. However, the manufacturer recommends paying attention to the amount of binder addition.
Minangka materi netral, wedhi keramik KAIST ditrapake kanggo resin asam lan alkali.
Bisa digunakake kanthi akeh kanggo casting wesi, baja cast lan logam nonferrous, kayata casting busa ilang, wedhi ditutupi, wedhi resin, kothak inti kadhemen, casting tliti, lan printing 3D.



Distribusi ukuran partikel bisa disesuaikan miturut kabutuhan sampeyan.
|
bolong |
20 | 30 | 40 | 50 | 70 | 100 | 140 | 200 | 270 | Pan | AFS | |
|
μm |
850 | 600 | 425 | 300 | 212 | 150 | 106 | 75 | 53 | Pan | ||
| Kode | 20/40 | 15-40 | 30-55 | 15-35 | ≤5 | 20±5 | ||||||
| 30/50 | ≤1 | 25-35 | 35-50 | 15-25 | ≤10 | ≤1 | 30±5 | |||||
| 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 | |||||
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