ZHENGZHOU CAIHUA KILN MASONRY INSTALLATION CO.,LTD
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High-strength wear-resistant plastic refers to a mixture of high-grade refractory materials such as corundum, mullite or silicon carbide, and a binder and an admixture (anti-shrinkage agent, preservative, antifreeze).
The high-strength wear-resistant plastic is a semi-wet mud material. When it is applied, water or aluminum dihydrogen phosphate or other liquid is mixed into a mud material, which is pressed or extruded into a block material having a certain plasticity. When thehammer is hit, the plastic is deformed without cracking or slumping, and the deformedshape can be maintained after the external force is released.
High-strength wear-resistant plastic is divided into corundum-mullite refractory plastic (GNS-65GMS-75GMS-85)carburized wear-resistant plastic (TS60TS-70) according to the material. Medium grade. G stands for corundum, M stands for mullite, T stands for silicon
carbide, and S stands for plastic. The number after the letter represents the percentageof the main material.
| Items | Corundum-mullite | Silicon carbide | |||
| / | GMS-65 | GMS-75 | GMS-85 | TS-60 | TS-70 |
| AL2O3% | 65 | 75 | 85 | -- | -- |
| SiC% | -- | -- | -- | 60 | 70 |
| Bulk density 110℃×24h (dry) g/cm3 ≥ | 2.5 | 2.7 | 2.8 | 2.4 | 2.6 |
| Compressive strength/ MPa 850℃×3h(after firing | 70 | 80 | 90 | 60 | 70 |
| Normal wear850℃×3h (after firingcm3≤ | 7 | 6+ | 5 | 6 | 5 |
| PLC /% (850℃×3h | -0.4～0 | -0.5～0 | -0.5～0 | -0.5～0 | -0.6～0 |
| Thermal shock stability (850℃×3h after firing) time≥ | 30 | 30 | 25 | 35 | 40 |
| Plasticity index % | 15～40 | ||||
