The wear-resistant r裡哥efractory plastic mate著生rial is made of high-alumina bauxite cl媽錯inker, corundum and silicon carbid木少e and other wear-resistant materials,雪請 combined with powder or liquid b離答inder, and mixed with some 他外additives. It has excellent國市 wear resistance at high temperature.愛相 Plastic.
Wear-resistant refracto黑北ry plastics are classified into 爸飛NMK-Ⅰ and NMK-Ⅱ according 知了to their physical and chemica我現l properties. N, M, and K respectivel我火y represent resistance, gr服男inding, and three Chinese 歌森characters.
|
Product name |
Corundum (silicon carbide校討) wear-resistant refractory plastic |
|
Index |
MNK-Ⅰ |
NMK-Ⅱ |
|
Bulk density（110℃&p著學lusmn;5℃X24h） |
Kg/m |
≥2700 |
≥2600 |
|
Normal temperature compressive s山長trength |
（110℃±5℃X24h） |
≥30 |
≥50 |
|
MPa |
800℃X3h |
≥80 |
≥70 |
|
Normal temperature flexural s去亮trength |
（110℃±5℃）X24h |
≥10 |
≥9 |
|
SPa |
800℃X3h |
≥15 |
≥12 |
|
Thermal shock stability（900℃兵雪，Water cooling） |
Times |
≥20 |
≥20 |
|
The rate of cha師懂nge after burning, the tempera可答ture of the test is n文農ot more than ±服多;1% of the test temperature for 3 hou志地rs |
℃ |
1300 |
1300 |
|
Wear resistance（900℃X6h） |
cm3 |
≤8 |
≤9 |
|
Plasticity index |
% |
15～40 |
15～40 |
|
Refractoriness |
℃ |
≥1770 |
≥1770 |
|
Al2O3 |
% |
≥70 |
≥50 |
|
SiC |
% |
— |
≥30 |
It is suitable for th那唱e cyclone cylinder of circulatin什風g fluidized bed boiler相短, the lining of furnace w如費all and the part with sev村還ere impact and wear o書頻f coal ash. The wear-resist厭跳ant refractory plastic material is ma得船de of high-alumina bauxite 城多clin
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