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refractories

AZS Ramming Mass

AZS Ramming Mass

Composition of AZS Ramming Mass, AZS Ramming Mass is made from oxidizing fused AZS particle and fine powder with a certain ratio, and added with proper amount of adhesive. It is half dried and formed as monolithic refractory material by tamping with high strength.
In the process of use, a certain concentration of phosphoric acid or aluminum dihydrogen phosphate can be adopted as the additive. In some conditions, it is also possible to add with some coagulants.

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AZS Ramming Mass Physical and Chemical Indicators

ItemAZS 30VAZS 30V MAZS 60V
Al2O3(%)≥454518
ZrO2(%)≥303064
Bulk Density (g/cm³)≥3.13.13.4
Aggregate Particle Size (mm)0-50-20-5
Compressive Strength (Mpa)≥cold state141412
thermal state555540
Linear change (%) 1400℃×3h±0.1
Refractoriness (℃) ≥179017901800
AdhesivePhosphoric acid or Aluminium dihydrogen phosphate
Application

AZSRamming Mass is mainly applied in sealing the bottom and other parts of glass furnace.

Characteristics

(1) High resistance of high temperature and compressive strength.
(2) Small thermal expansion and shrinkage
(3) Strong corrosion resistance of glass solution
(4) Excellent thermal shock resistance
(5) Low thermal conductivity at high temperature
(6) Stable chemical property, and it can not react with molten metal
(7) Weak tendency of bubble precipitation

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