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Refractories for Industrial Furnace

  • Alumina hollow ball products
  • Alumina hollow ball products
  • Alumina hollow ball products
  • Alumina hollow ball products
Alumina hollow ball productsAlumina hollow ball productsAlumina hollow ball productsAlumina hollow ball products

Alumina hollow ball products

  • Product description: High temperature and heat insulating refractory materials:the products are made by dissolving spray AL2O3 bubble and composite agent by vibration forming and high temperature sintering.
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High temperature and heat insulating refractory materialsthe products are made by dissolving spray AL2O3 bubble and composite agent by vibration forming and high temperature sintering.

Physical and chemical indexes

Brand

Index

Al2O3%

95

99

Fe2O3%≤

0.4

0.15

Bulk density( g/ cm3)

1.3

1.3

Cold crushing strength Mpa ≥

7.6

7.6

Reheating linear change1%*12h

16500.4

16500.4

Max Service Temperature

1600

1800