Wear-Resistant Refractory Plastics

Wear-resistant refractory plastics have the advantages of convenient construction, good plasticity, and good wear resistance. The wear-resistant layer after construction features very high strength and wear resistance.

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$Wear-Resistant Refractory Plastics$

Physical and Chemical Indicators (High Alumina Series)

Item	NMK1	NMK1	NMK1
Al₂O₃ (%)	≥ 65	≥ 75	≥ 85
Bulk Density (g/cm³) at 110℃×24h	≥ 2.5	≥ 2.7	≥ 2.8
Permanent Linear Change (%) at 1000℃×3h	-0.4~0	-0.5~0	-0.5~0
Cold Crushing Strength (MPa) at 1000℃×3h	≥ 70	≥ 80	≥ 90
Cold Abrasion Resistance (cm³) at 1000℃×3h	≤ 7	≤ 6	≤ 5
Thermal Shock Resistance (Cycles, 1000℃ water cooling) at 1000℃×3h	≥ 30	≥ 30	≥ 25
Plasticity Index (%)	15~55
Thermal Conductivity (W/(m·K)) at 1000℃	1.1~1.6	1.1~1.6	1.6~2.0
Max Operating Temperature (℃)	1400	1500	1600

Physical and Chemical Indicators (Silicon Carbide & Zirconia Chrome Corundum Series)

Item	Silicon Carbide Series			Zirconia Chrome Corundum Series
Item	NMK4	NMK5	NMK6	NMK7
Al₂O₃ (%)	/	/	/	≥ 80
SiC (%)	≥ 40	≥ 60	≥ 70	/
Cr₂O₃ (%)	/	/	/	≥ 3
ZrO₂ (%)	/	/	/	≥ 2
Bulk Density (g/cm³) at 110℃×24h	≥ 2.4	≥ 2.5	≥ 2.6	≥ 2.8
Permanent Linear Change (%) at 1000℃×3h	-0.4~0	-0.5~0	-0.6~0	-0.6~0
Cold Crushing Strength (MPa) at 1000℃×3h	≥ 60	≥ 70	≥ 80	≥ 90
Cold Abrasion Resistance (cm³) at 1000℃×3h	≤ 7	≤ 6	≤ 5	≤ 5
Thermal Shock Resistance (Cycles, 1000℃ water cooling)	≥ 30	≥ 35	≥ 40	≥ 30
Plasticity Index (%)	15~55
Thermal Conductivity (W/(m·K)) at 1000℃	3~5	5~7	6~8	2~3
Max Operating Temperature (℃)	1400	1500	1600	1600

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