Saggers

 

Saggers are used to transport and protect sensitive products as they are heat-treated or fired in kilns. Saint-Gobain Performance Ceramics & Refractories’ saggers are specifically adapted to each heat treatment protocol and designed to minimize undesirable sagger-product reactions.

Features and Benefits

Benefits
  • Available in a range of materials and shapes
  • Excellent thermal shock resistance
  • Shape stability and strength
  • Defined flatness and surface finish
  • High chemical stability
  • High corrosion resistance
Material Properties
  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)
Mulnorite® KN 176 82 1,700 2.7 17 10 5 5.3
Mullfrax® EM 27 90 1,750 3 17 8 8 170
Alundum® AH 191 A 91 1,750 2.9 20 14 7 7
AnnaCarbid® 42 40 1,430 2.5 20 20 10 5
AnnaCarbid® 65 65 1,450 2.5 21 15 15 5
AnnaCarbid® 94 84 1,500 2.5 17 20 20 5
NSiC 2165 79 1,600 - 1,650 2.72 15 40 50 4.5
NSiC 2172 80 1,600 2.65 17 35 45 4.5
AnnaSicon® RTH 75 1,650 2.63 17 40 35 4.5
Silit® SK 85 1,380 3 0 260 260 4.5
Silit® SKD 85 1,380 3 0 260 260 4.5
N-Durance® 70 1,450 - 2,642 2.75 ≤ 1 170 - 180 170 - 190 4.4
Crystar® 2000  > 99 1,600 2.7 15 80 90 4.8
Crystar® 3000 > 97 1,600 2.7 15 80 90 4.8
Hexoloy® > 99 1,750 3.07 < 0,6 380 370 4
Applications

Suitable for use in the electronics and semiconductors industry, automotive industry, and with lithium battery and cathode powder technology.

Specification

Various materials and shapes are available.

FAQ

Can Saint-Gobain Performance Ceramics & Refractories’ saggers be employed in highly automated processes?

Yes. Saint-Gobain Performance Ceramics & Refractories’ experienced engineers are on hand to recommend the most ideal product and design option for a highly automated production line, taking into account factors such as the mechanical strength of the sagger (for robot handling) or advanced thermal shock resistance (for loading or unloading).

Can Saint-Gobain Performance Ceramics & Refractories’ saggers be stacked?

Yes. A customized sagger design allows them to be stacked in a kiln, increasing volume output.