中频炉衬料用白刚玉
原材料:氧化铝粉(义翔铝业)
以优质氧化铝为原材料,通过固定炉或者倾倒炉经过2000℃高温,经过24小时高温冶炼成白刚玉块。
粒度 |
主要化学成分(%) |
||
Al2O3 |
Fe2O3 |
Na2O |
|
段砂 |
≥99.5 |
≤0.06 |
≤0.30 |
细粉 |
≥98.5 |
≤0.20 |
≤0.40 |
粒度砂 |
≥99.5 |
≤0.05 |
≤0.30 |
微粉 |
99.2-99.7 |
0.03-0.10 |
0.23-0.32 |
白刚玉的理化性质
莫氏硬度 |
9.0 |
堆积密度 |
1.75-1.95g/cm3 |
真实密度 |
3.95g/cm3 |
体积密度 |
3.60 |
熔点 |
2250℃ |
最高使用温度 |
1900℃ |
白刚玉可分为以下几个类型:
1.白刚玉段砂
2.白刚玉细粉
3.白刚玉粒度砂
4.白刚玉微粉
1.白刚玉段砂型号:
白刚玉段砂型号 |
0-0.3mm 0-0.5mm 0.212-0.5mm 0.5-1mm 0-1mm 1-3mm 3-5mm 3-6mm 5-8mm |
白刚玉细粉型号 |
325mesh 270mesh 200mesh(200#-0)100mesh(100#-0)48mesh |
Size |
Unit |
Certified Value |
Typical Value |
|||||||
8-5mm
|
mm |
+8.00 |
-4.00 |
+9.52 |
+8.00 |
+6.70 |
+5.60 |
+4.75 |
-4.00 |
- |
% |
5 |
5 |
0 |
0-5 |
35-55 |
75-95 |
90-100 |
0-5 |
|
|
6-3mm |
mm |
+5.60 |
-2.80 |
+8.00 |
+6.70 |
+5.60 |
+4.75 |
+3.35 |
+2.80 |
-2.80 |
% |
40max |
10max |
0 |
0-5 |
15-35 |
40-65 |
75-95 |
90-100 |
0-10 |
|
5-3mm |
mm |
+4.75 |
-2.80 |
+5.6 |
+4.75 |
+3.35 |
+2.80 |
-2.80 |
|
|
% |
10max |
10max |
0 |
0-10 |
60-80 |
90-100 |
0-10 |
|
|
|
3-1mm |
mm |
+2.80 |
-1.0 |
+4.75 |
+3.35 |
+2.80 |
+2.00 |
+1.18 |
+1.00 |
-1.00 |
% |
10max |
10max |
0 |
0-5 |
1-10 |
30-50 |
70-90 |
90-100 |
0-10 |
|
1-0mm |
mm |
+1.00 |
-0.212 |
+1.18 |
+1.00 |
+0.50 |
+0.212 |
-0.212 |
|
|
% |
5max |
35max |
0 |
0-5 |
30-50 |
65-85 |
0-35 |
|
|
|
1-0.5mm |
mm |
+1.00 |
-0.15 |
+1.18 |
+1.00 |
+0.60 |
+0.30 |
+0.15 |
-0.15 |
|
% |
5max |
2max |
0 |
0-5 |
55-75 |
90-100 |
98-100 |
0-2 |
|
|
0.5-0.212mm |
mm |
+0.60 |
-0.15 |
+1.00 |
+0.60 |
+0.30 |
+0.15 |
-0.15 |
|
|
% |
5max |
5max |
0 |
0-5 |
45-65 |
95-100 |
0-5 |
|
|
|
0.5-0mm |
mm |
+0.60 |
-0.053 |
+1.00 |
+0.60 |
+0.30 |
+0.15 |
+0.075 |
-0.053 |
|
% |
5max |
15max |
0 |
0-5 |
10-32 |
50-70 |
78-93 |
3-15 |
|
|
0.3-0mm |
mm |
|
|
+0.60 |
+0.30 |
+0.15 |
+0.075 |
+0.053 |
-0.053 |
|
% |
|
|
0 |
2-10 |
50-70 |
70-90 |
- |
5-20 |
|
|
48mesh |
mm |
+0.30 |
-0.053 |
+0.60 |
+0.30 |
+0.15 |
+0.075 |
-0.053 |
|
|
% |
5max |
40min |
0 |
0-5 |
5-20 |
20-40 |
50-65 |
|
|
|
220mesh |
mm |
+0.30 |
-0.075 |
+0.355 |
+0.30 |
+0.075 |
-0.075 |
|
|
|
% |
3max |
65min |
0 |
0-3 |
15-25 |
65-85 |
|
|
|
|
270mesh |
mm |
+0.15 |
-0.053 |
+0.30 |
+0.15 |
+0.075 |
-0.053 |
|
|
|
% |
5max |
65min |
0 |
0-5 |
5-20 |
65-80 |
|
|
|
|
325mesh |
mm |
+0.045 |
- |
+0.075 |
+0.045 |
-0.045 |
|
|
|
|
% |
5max |
- |
0 |
0-5 |
95-100 |
|
|
|
||
1500mesh |
mm |
-9.25 |
-- |
-9.25 |
|
|
|
|
|
|
% |
75min |
- |
75-100 |
|
|
|
|
|
|
白刚玉段砂细粉的用途
耐火材料,炉料,浇注料,捣杂料,可塑料,喷补料,压住料,投射料,涂抹料,喷涂料,耐火泥,干式振动料,自流浇注料,涂料,耐火泥浆等
不定型耐火材料,定型耐火材料
钢包用耐火材料,中性耐火材料,高炉热风炉,炮泥,喷枪,散装料,陶瓷杯
高铝砖,含碳耐材,莫来石砖,粘土砖,组合砖,刚玉砖等
耐火材料,炉料,浇注料,捣杂料,耐火砖等
客户用到的型号实例
生产陶瓷过滤板(白刚玉325#)
中频炉衬料(白刚玉段砂细粉)
导热材料(电子行业汽车行业)(白刚玉 325目)
高级涂料(白刚玉325#)
耐高温铸造芯(白刚玉200#-0)