产品介绍
products center 金刚砂
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product yield:10000mt/year
producers:jining canal emery co.,ltd.
product description:it use the high-quality aluminum oxide powder as material through smelting in electrical furnace, it has the property of white color, high hardness, little bit lower toughness, high purity, excellent self-sharpening, strong grinding, small thermal creating, high efficiency, high anti-acid alkali corrosion , anti-high temperature, good thermal stability.
physical and chemical indicators:implementation of standards(gb/t2479-1996)
no |
item | unit | guarantee value | typical value | |
1 | apparent density | g/cm3 | 1.56(min) | 1.56 to 1.60 | |
2 | electrical resistivity | microohm-mu | 56(max) | 52.0-56.0 | |
3 | real density | g/cm3 | 2.06(min) | 2.06-2.10 | |
4 | compress strength | mpa | 38(min) | 38-45 | |
5 | co2 reactivity | residue | % | 91(min) | 91-95 |
ash | % | 2.5(max) | 1.0-2.5 | ||
6 | air reactivity | residue | % | 92(min) | 93-97.5 |
ash | % | 2) | 0.1-2.0 | ||
7 | thermal conductivity | w/mk | 3.0(min) | 3.0-4.5 | |
8 | flexural strength | mpa | 9.0(min) | 9.0-13.0 | |
9 | permeability | npm | 2.3(max) | 0.5-2.3 | |
10 | thermal exposure | k-1 | 4.0*10-6(max) | 3.0-4.0 | |
11 | ash | % | 0.3(max) | 0.5-2.3 | |
12 | fe | ppm | 374(max) | 580-374 | |
13 | si | ppm | 275(max) | 540-275 | |
14 | s | % | 1.2(max) | 1.0-1.2 | |
15 | ni | ppm | 250(max) | 250-182 | |
16 | v | ppm | 150(max) | 69-150 | |
17 | na | ppm | 100(max) | 42-100 |