Refrax^® PRO, PLUS, and TOP tiles

Refractory Tiles

The Refrax^® family of nitride and oxynitride bonded silicon carbide materials utilize carefully selected raw materials with specific attention paid to grain size distribution. This attention to detail ensures these materials are long-lasting and cost-effective in the challenging operating conditions associated with waste to energy applications.

Saint-Gobain Performance Ceramics & Refractories is recognized worldwide as the provider of choice for OEMs looking for robust products with long service lives.

Specifications

Tried and tested material with narrow tolerances
An ideal standard product for the first pass and the combustion area

Typical Chemical Analysis & Physical Properties

Property	Value		Method
Typical Chemical Analysis	SiC Si₃N₄+ Si₂ON₂ Others	78% 17% 5%	EN ISO 21068-2 EN 12698-2 DIN 51001
Maximum Application Temperature For domestic waste incineration a maximum surface temperature	1,550ºC 1,150ºC
Bulk Density	2.65 kg/dm³		EN 993-1
Apparent Porosity	17 Vol.-%		EN 993-1
Cold Crushing Strenght	140 MPa		EN 993-5
Modulus of Rapture at RT	30 MPa		EN 993-6
Linear Thermal Expansion 250-400ºC 250-600ºC 250-800ºC 250-1,000ºC	3.9 10-6/K 3.9 10-6/K 4.0 10-6/K 4.6 10-6/K		EN 993-19
Thermal Conductivity at 400ºC at 800ºC at 1,000ºC	27,5W/mK 20,1W/mK 18,4W/mK		EN 993-15
Thermal Shock Resistance	30 Cycles		DIN 51068-1
Steam Oxidation Resistance	1,0%		ASTM C863 at 1,000°C/500h

Specifications

Endowed, patented premium product for the most stringent requirements
Suitable for all areas, particularly areas exposed to high wear and high stresses
Ideal for use in repairs

Typical Chemical Analysis & Physical Properties

Property	Value		Method
Typical Chemical Analysis	SiC Si₃N₄+ Si₂ON₂ Others	75% 22% 3.5%	DIN EN ISO 21068-2 DIN 13925 DIN 13925
Maximum Application Temperature	1,550ºC
For domestix waste incineration a maximum surface temperature	1,150°C
Bulk Density	2.70 kg/dm³		EN 993-1
Apparent Porosity	16 Vol.-%		EN 993-1
Cold Crushing Strength	140 MPa		EN 993-5
Modulus of Rupture at RT	40 MPa		EN 993-6
Linear Thermal Expansion 250-400ºC 250-600ºC 250-800ºC 250-1,000ºC	3.9 10-6/K 3.9 10-6/K 4.0 10-6/K 4.6 10-6/K		EN 993-19
Thermal Conductivity at 400ºC at 800ºC at 1,000ºC	22W/mK 18W/mK 16W/mK		EN 993-15
Thermal Shock Resistance	30 Cycles		DIN 51068-1
Steam Oxidation at 1,000ºC / 500 h	0.8%		ASTM C863

Specifications

Doped, patented, doubled fired material with glazed surface
Suitable for all areas, particularly areas exposed to aggressive slags

Typical Chemical Analysis & Physical Properties

Property	Value		Method
Typical Chemical Analysis	SiC Si₃N₄+ Si₂ON₂ Others	75% 21% 3.5%	EN ISO 21068-2 DIN 12698-2 DIN 51001
Maximum Application Temperature	1,550ºC
For domestic waste incineration a maximum surface temperature	1,150°C
Bulk Density	2.70 kg/dm³		EN 993-1
Apparent Porosity	12 Vol.-%		EN 993-1
Cold Crushing Strength	140 MPa		EN 993-5
Modulus of Rupture at RT	40 MPa		EN 993-6
Linear Thermal Expansion 250-400ºC 250-600ºC 250-800ºC 250-1,000ºC	3.9 10-6/K 3.9 10-6/K 4.0 10-6/K 4.6 10-6/K		EN 993-19
Thermal Conductivity at 400ºC at 800ºC at 1,000ºC	33W/mK 21W/mK 18W/mK		EN 993-15
Thermal Shock Resistance	30 Cycles		DIN 51068-1
Steam Oxidation at 1,000ºC / 500 h	0.4%		ASTM C863

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