Corundum abrasion resistant plasticity
Specification: two-component (25kg/bag and drum-packing binder)
Castable refractories and refractory casting materials for circulating fluidized bed boiler are mainly made of electric fused corundum, silicon carbide, special grade alumina clinker, ceramic abrasive materials, etc., with appropriate amount of additives, efficient binder, plasticizer, etc., and are stirred to form a hard paste. It is an unshaped refractory material in the form of clay or clay lump, which is constructed by tamping, vibration or pressure. The product has excellent bonding property, good plasticity and abrasion resistance, high strength at medium temperature, good high temperature volume stability, convenient construction and long storage period. Main use: for the high temperature furnace hearth, furnace wall, furnace top, header, front and rear arch and economizer, cyclone wear parts of the boiler, and the difficult construction parts can also be repaired locally. This plastic can also be used for: repair of refractory lining of coke oven, gas generator, boiler, heat exchanger, hot air furnace, blast furnace, homogenizing furnace, boiling furnace, tunnel kiln and other thermal equipment.
Project
| Fused alumina silicon carbide plasticable
| Corundum abrasion resistant plasticity | Low-expansion fireproof plastic | High strength wear-resistant castable refractories | High strength wear-resistant plasticity |
Al2O3/% | 75-80 | ≥75 | - | ≥60 | 65 |
SiC/% | ≥5 | - | - | - | - |
Volume density g/cm³ | 2.8 | 2.7 | 2.2 | 2.4 | 2.4 |
Heating wire variation rate/% | ±0.5 | ±0.5 | ±0.5 | ±0.5 | ±0.5 |
Pressure resistance/MPa | 100 | 80 | 50 | 60 | 60 |
Abrasion resistance（cm³）850℃×3h | 12 | 8 | - | 6 | 5 |
Construction water addition/% | No need to add water | No need to add water | No need to add water | 8 | No need to add water |
Use temperature/℃ | 1500 | 1500 | 1350 | 1400 | 1420 |
plasticity index/% | 15-40 | 15-40 | 15-40 | - | 15-40 |
Construction method | Pound and smear | Pound and smear | Pound and smear | Shuttering Vibration | Pound and smear |
*Can be negotiated and customized according to the customer's indicators. | |||||
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