The wear-resistant refractory pla微離stic material is made of h好從igh-alumina bauxite clinker,和書 corundum and silicon carbi習商de and other wear-resistant materi技樂als, combined with pow見議der or liquid binder, and m銀舊ixed with some additives. It has excel中市lent wear resistance at hi作他gh temperature. Plastic.
Wear-resistant refractory plastics are男很 classified into NMK-Ⅰ and 現南NMK-Ⅱ according t湖不o their physical and chemi是中cal properties. N, M, an業兵d K respectively represent resi年金stance, grinding, and three Chinese 朋鐘characters.
|
Product name |
Corundum (silicon carbide) wear-re公麗sistant refractory plastic |
|
Index |
MNK-Ⅰ |
NMK-Ⅱ |
|
Bulk density（11和科0℃±5℃X24h） |
Kg/m |
≥2700 |
≥2600 |
|
Normal temperature compress信為ive strength |
（110℃±5℃X24h） |
≥30 |
≥50 |
|
MPa |
800℃X3h |
≥80 |
≥70 |
|
Normal temperature flexural stren器刀gth |
（110℃±5℃）X24東和h |
≥10 |
≥9 |
|
SPa |
800℃X3h |
≥15 |
≥12 |
|
Thermal shock stability（喝水900℃，Water cooling） |
Times |
≥20 |
≥20 |
|
The rate of chang不東e after burning, the temperat綠大ure of the test is not 雨在more than ±1% of 朋技the test temperature for 3地服 hours |
℃ |
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 the cyclone森北 cylinder of circulating f器機luidized bed boiler, the lin坐站ing of furnace wall and the part 計雪with severe impact and wea這有r of coal ash. The wear-resistant refra唱技ctory plastic material is made of h間章igh-alumina bauxite 嗎少clin
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