The products and solutions for kilns & furnaces under Saint-Gobain Ceramic Systems are designed and developed for many applications to facilitate consistent and long-term performance. Our products are designed to withstand high temperatures (up to 1.800°C) and severe operating conditions. Developed and manufactured to suit all types of kilns & furnaces that are typically used in various industry segments.

Tubes Kiln Car Construction

Silicon Carbide Tubes

Saint-Gobain Performance Ceramics & Refractories’ robust, long-life silicon carbide tubes are available in lengths of over 3,500 mm and diameters above 100 mm. Specialized tube designs and ceramic materials are available to meet a range of customers' operational requirements. Saint-Gobain Performance Ceramics & Refractories’ experienced engineers are on hand to support customers in selecting the most appropriate product and material for their applications.

Advanced siliconized silicon carbide construction
Innovative materials
Wide range of tube sizes and features available
High-temperature stability
High thermal conductivity
Excellent thermal shock resistance
Outstanding corrosion resistance
Suitable for a wide range of applications and processes

	SiC-content	Max. Service Temperature	Bulk Density	Apparent Porosity Vol.	Modolus of Rupture		Thermal Expansion αRT 1,100°C
	(%)	(°C)	(kg/dm³)	(%)	(RT2)	(1,400°C)	(10^-6/K)
Silit^® SK	85	1,380	3	0	260	260	4.5
Silit^® SKD	85	1,380	3	0	260	260	4.5

Advanced sintered silicon carbide construction
Innovative materials
Wide range of tube sizes and features available
High-temperature stability
High thermal conductivity
Excellent thermal shock resistance
Outstanding corrosion resistance
Suitable for a wide range of applications and processes

	SiC-content	Max. Service Temperature	Bulk Density	Apparent Porosity Vol.	Modolus of Rupture		Thermal Expansion αRT 1,100°C
	(%)	(°C)	(kg/dm³)	(%)	(RT2)	(1,400°C)	(10^-6/K)
Hexoloy^®	> 99	1,750	3.07	< 0,6	380	370	4

Advanced nitride-bonded silicon carbide construction
Innovative materials
Wide range of tube sizes and features available
High-temperature stability
High thermal conductivity
Excellent thermal shock resistance
Outstanding corrosion resistance
Suitable for a wide range of applications and processes

	SiC-content	Max. Service Temperature	Bulk Density	Apparent Porosity Vol.	Modolus of Rupture		Thermal Expansion αRT 1,100°C
	(%)	(°C)	(kg/dm³)	(%)	(RT2)	(1,400°C)	(10^-6/K)
N-Durance^®	70	1,450 - 2,642	2.75	≤ 1	170 – 180	170 – 190	4.4

Advanced recrystallized silicon carbide ceramic construction
Innovative materials
Wide range of tube sizes and features available
High-temperature stability
High thermal conductivity
Excellent thermal shock resistance
Outstanding corrosion resistance
Suitable for a wide range of applications and processes

	SiC-content	Max. Service Temperature	Bulk Density	Apparent Porosity Vol.	Modolus of Rupture		Thermal Expansion αRT 1,100°C
	(%)	(°C)	(kg/dm³)	(%)	(RT2)	(1,400°C)	(10^-6/K)
Crystar^® 2000	> 99	1,600	2.7	15	80	90	4.8
Crystar^® 3000	> 97	1,600	2.7	15	80	90	4.8