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板状焼成アルミナ研磨粉は、高品質の工業用アルミナ粉末を原料とし、特殊な製造工程で加工されたものです。製造されたアルミナ研磨粉の結晶形状は六角形の扁平板状であるため、板状アルミナまたは板状アルミナと呼ばれます。
板状アルミナのアルミナ純度は99％以上で、耐熱性、耐酸・アルカリ腐食性、高硬度などの特性を有しています。従来の球状研磨粒子とは異なり、板状アルミナの底面は平坦で、研削時に粒子がワーク表面に密着することで滑り研削効果を生み出し、粒子の鋭い角がワーク表面を傷つけるのを防ぎます。また、板状アルミナは研削時に研削圧力が粒子表面に均一に分散されるため、粒子が破損しにくく、耐摩耗性が向上し、研削効率と表面仕上げが向上します。
半導体シリコンウェーハなどの半導体材料に板状酸化アルミニウムを適用すると、研削時間を短縮し、研削効率を大幅に向上させ、研削機の損失を減らし、人件費と研削コストを節約し、研削合格率を向上させることができます。品質は海外の有名ブランドに匹敵します。
ブラウン管のガラスバルブ研磨の作業効率が3～5倍向上します。
合格率が10～15％向上し、半導体ウェハの合格率は99％以上に達します。
研磨消費量は通常のアルミナ研磨粉より 40～40% 少なくなります。
化学組成
| 化学薬品 | 保証価値 | 標準値 |
| アルミナ | ≥99.0% | 99.36% |
| SiO2 | 0.2%未満 | 0.017% |
| Fe2O3 | 0.1%未満 | 0.03% |
| ナトリウム2O | 0.6%未満 | 0.35% |
物理的特性
| 材料 | α-Al2O3 |
| 色 | 白 |
| 比重 | ≥3.9g/cm3 |
| モース硬度 | 9.0 |
利用可能なサイズ
| タイプ | D3(えーと) | D50（1個） | D94（約） |
| HXTA45 | 50.5～56.2 | 33～38.5 | 20.7～24.5 |
| HXTA40 | 39-44.6 | 27.7～31.7 | 18～20歳 |
| HXTA35 | 35.4～39.8 | 23.8～27.2 | 15-17 |
| HXTA30 | 28.1～32.3 | 19.2～22.3 | 13.4～15.6 |
| HXTA25 | 24.4～28.2 | 16.1-18.7 | 9.6～11.2 |
| HXTA20 | 20.9～24.1 | 13.1～15.3 | 8.2～9.8 |
| HXTA15 | 14.8～17.2 | 9.4-11 | 5.8～6.8 |
| HXTA12 | 11.8～13.8 | 7.6～8.8 | 4.5～5.3 |
| HXTA09 | 8.9～10.5 | 5.9～6.9 | 3.3～3.9 |
| HXTA05 | 6.6～7.8 | 4.3～5.1 | 2.55-3.05 |
| HXTA03 | 4.8～5.6 | 2.8～3.4 | 1.5～2.1 |
製品アプリケーション
1) エレクトロニクス産業：半導体単結晶シリコンウェハー、石英水晶、化合物半導体（結晶ガリウム、リン酸塩ナノ）の研削および研磨。
2) ガラス産業：水晶、石英ガラス、映画用ガラスシェルスクリーン、光学ガラス、液晶ディスプレイ（LCD）用ガラス基板、石英結晶の研磨および加工。
3) コーティング業界：プラズマ噴霧用の特殊コーティングおよびフィラー。
4) 金属・セラミック加工産業：精密セラミック材料、焼結セラミック原料、高級高温コーティングなど。
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