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Fire Refractory paving brick
1. Material: Purple Sand Clay
2. Size: 220x110x40mm
3. Function: Anti-freezing
4. Colors: Red,Grey,Gray,Yellow,Brown
5. Compressive Strength: 25Mpa
6. Water Absorption: <12%
7. Weight: 2kg/pc
Features:
1.high temperature sintering, corrosion resistance, spalling resistance
2.anti-freezing, don't fade in color
3.natural characteristics such as restoring ancient ways