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Gunite is a functional refractory material used to seal and protect the iron outlet, and its quality directly determines whether the blast furnace can run safely and stably. In addition to the regular anhydrous gunite products, our company also includes a variety of functional gunite products, such as environmentally friendly gunite, titanium fine furnace protection gunite, anti-splash gunite, iron gate gunite, high-strength gunite and single iron gate gunite.
The low content of carcinogens such as benzo pyrene (BaP ) in the environmentally friendly gun clay greatly reduces the harm to the workers in front of the furnace and meets the EU standard.
Technical Parameters
Testing Program | Testing conditions | Standard value | Typical value | Inspection Standards |
bulk density (g/cm³) | 1350℃×3h | ≥1.8 | 1.94 | YB/T5200 |
compressive strength (MPa) | 1350℃×3h | ≥10 | 18.2 | YB/T5118 |
linear rate of change (%) | 1350℃×3h | 土1.5 | +0.55 | YB/T5117 |
chemical composition (%) | Al203 | ≥20 | 29.7 | GB/T6900 |
SiC+Si3N4+C | ≥30 | 32.4 | ||
BaP content | ≤50ppm | 45 | 满足欧盟标准 |
