Tin Bath Roof Block(Heat Resistant Concrete)

发布时间:2020-07-01 10:16浏览次数:
Brand Name:FTR-C
Description:
                   This product adopts high grade aggregate and bond with the processing of batching ,moullding and maintaining  in special conditions.It is mainly used in resistance heating tin bath roof with working temperature lower than 1250℃。

项目Item 指标Index
物理指标Physical properties
耐火度Refractoriness(℃) ≥1700
体积密度Bulk density(g/cm3 ≥2.5
显气孔率Apparent porosity(%) ≤23
常温耐压强度Cold crushing strength(MPa) ≥40
烧后耐压强度Crushing strength after fired(MPa) 100℃烘干drying ≥35
600℃×3h ≥28
1000℃×3h ≥25
1200℃×3h ≥28
化学成分Chemical composition (%)
Al2O3 ≥70
Fe2O3 ≤1.5
R2O ≤1.0

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