product introduction:
Heat-resistant concrete refers to concrete that can withstand temperatures of 300-1100°C for a long time. It has the advantages of simple production process, high construction efficiency, easy to meet the construction and thermal requirements of special-shaped parts, low maintenance cost, long service life and low cost.
Product application:
Heat-resistant concrete is often used those high temprature equipments foundation of metallurgy, chemical industry, ceramics, building materials, machinery, etc.
Welcome to contact us for our heat-resistant concrete and any information you want to know.
Performance Characters:
|
Item/Grade |
NRH-300 |
NRH-600 |
NRH-900 |
|
Al2O3； % |
≥30 |
≥35 |
≥40 |
|
Bulk density； g/cm3 |
≥1.9 |
≥1.9 |
≥2.0 |
|
Cold crushing strength； Mpa |
110℃×24h≥30 300℃×24h≥40 |
110℃×24h≥30 600℃×24h≥40 |
110℃×24h≥30 900℃×24h≥40 |
|
Permanent Linear Change On Reheating； % |
300℃×3h ±0.5 |
600℃×3h ±0.5 |
900℃×3h ±0.5 |
|
Curing at room temperature not less than 72h |
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