ShSP
Stopper refractories for steel teeming from ladle according to
DSTU GOST 5500:2006
Chamotte stopper oven refractories are used for steel teeming from ladle.
The products are wrapped into cardboard or paper, wrapped with stretch-film and laid into wooden case with laid along the perimeter cardboard. The layers are laid with cardboard or liner, and the gaps between the products, from case walls and under the cover are filled with wood chips or flakes.

Technical requirements
Parameter description | Value |
---|---|
Al2O3, % | ≥ 32 |
Fire resistance, °С, not less than | 1690 |
Fusion point, °С, not less than | 1350 |
Interconnected porosity, %, not more than | 22 |
Specification
Parameter description | Value |
---|---|
Type | aluminosilicate |
Group | chamotte (Al2O3 28-45%) |
Refractoriness value | fire resistance (1580 to 1770°С) |
Porosity degree | average dense (Ptot 20-30%) |
Heat treatment method | burnt |
Molding process | soft mud forming |
Binding type 1 | with inorganic binders |
Binding type 2 | ceramic |
Intended purpose | technology |
scope of application | for steel teeming from ladle |
Reference document for product properties | Stopper refractories for steel teeming from ladle according to DSTU GOST 5500:2006 |
Reference documents for product dimensions | Stopper refractories for steel teeming from ladle according to DSTU GOST 5500:2006 |