| 起订: 1 3.10元 | 供货总量: |
| 发货期限: 自买家付款之日起 天内发货 | 所在地: 河南 焦作市 |
| 有效期至： 长期有效 | 品牌： |
详情介绍
高速公路用棕刚玉 硬度高 耐高温 耐火材料棕刚玉
棕刚玉
性质：以铝钒土、焦碳(无烟煤)为主要原料，在电弧炉内经高温冶炼而成，
主要化学成分为Al203、Ti02还含有少量的Si02和Fe203等
用途：用它制成的磨具，适于磨削抗张强度较高的金属，如各种通用钢材、可锻铸铁、硬青铜等。也可制造高级耐火材料。
特点：韧性好比SiC高，显微硬度1800-2200kg/mm2，体积密度≥3.85g/cm3，耐高温，耐火度高达1850oc
理化性能分析
棕刚玉化学成份GB/T2478-1996 | ||
粒度范围 | 化学成份％（按重量百分比） | |
Al2O3 | TiO2 | |
4#-90# | 94.50-97.00 | 1.50-3.80 |
100#-180# | ≥93.50 | 1.50-3.80 |
220#-240# | ≥92.50 | 1.50-3.80 |
Brown Fused Alumina
Features:With bauxite, carbon material, iron filings as raw materials, Brown Fused Alumina is restored and obtained through the melting of the brown the brown artificial corundum in the furnace above 2200 ℃.Main chemical composition: Al203, Ti02, small amounts of Si02 and Fe203, etc.
Usage; It is suitable for the manufacture of ceramics and resin, as well as the high-Bonded Abrasives grinding, polishing, sand blasting, precision casting and so on, also can be used to manufacture high-grade refractory material.
Characteristics: higher toughness than SiC;Microhardness 1800-2200kg/mm2;bulk density ≥ 3.85g/cm3;high refractoriness 1850oc
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