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Reaction-Bonded Silicon Carbide (RBSC) Sagger is a high-performance refractory container fabricated from high-purity silicon carbide (SiC) powder via reaction-bonded sintering technology. This process incorporates silicon (Si) as a binder, forming a dense microstructure under high temperatures while controlling shrinkage (≤3%) to ensure high dimensional accuracy and minimal deformation. The sagger typically features a square or circular shape with a smooth surface and can be customized into specialized geometries (e.g., U-shaped, arched, or perforated designs) to meet extreme industrial requirements such as high temperatures, strong corrosion, and rapid thermal cycling.
The physical properties of reaction sintered silicon carbide ceramics products:
Physical properties
Unit
SiSiC
Density
g/cm3
≥3.0
Open Porosity
Vol%
0.2
Vickers Hardness HV1
kg/mm2
≥2100
Flexural Strength
20°C
MPa
250
1200°C
MPa
280
Coficient of Thermal Expansion
10-6K-1
4.5
Thermal Conductivity(1200°C)
Wm-1K-1
45
Modulus of Elasticity @ RT
GPa
330
Max. Temperature of Application
℃
1380
Key Features:
Exceptional High-Temperature Resistance
Operates continuously at temperatures up to 1,380°C, surpassing conventional graphite (≤1,200°C) and alumina-mullite (≤1,300°C) alternatives.
Maintains structural integrity without softening, deformation, or cracking under prolonged heat exposure.
Superior Thermal Shock Resistance
Low coefficient of thermal expansion (1/6–1/7 of graphite), enabling resistance to rapid heating/cooling cycles (e.g., quenching from 1,300°C to room temperature) without spalling or cracking.
Outstanding Corrosion Resistance
Highly resistant to strong acids (e.g., sulfuric, nitric, hydrochloric acid) and alkalis (e.g., sodium hydroxide), extending service life 3–5× longer than graphite crucibles and 8–10× longer than alumina-mullite saggars.
High Thermal Conductivity & Uniform Heat Distribution
Thermal conductivity of 45 W/m·K ensures rapid heat transfer, reducing energy consumption by >20% while promoting uniform product sintering and improving yield rates.
Lightweight yet Robust
High bulk density and strength combined with lower weight than traditional refractories, facilitating easy handling and integration into automated production lines.
Customizable Design Flexibility
Supports tailored shapes (e.g., slots, grooves, or porous structures) for specialized processes. Surface treatments (e.g., polishing, coatings) enhance anti-sticking or corrosion resistance.
Applications:
1.Ceramics Industry
2.Metallurgical Sector
3.Chemical Processing
4.New Energy Technologies
5.Electronics & Magnetic Materials
6.Glass & Aerospace
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2017
Total Annual:
800-850
Employee Number:
60~70
Ecer Certification：
Verified Supplier
As a leading advanced materials developer in China, we are established in 2017 with a registered capital of 35.5 million RMB (≈5 million USD) and strategically located in Xixian New District's Qinhan New City, adjacent to major transportation hubs including Xianyang East Expressway.
Our team ... As a leading advanced materials developer in China, we are established in 2017 with a registered capital of 35.5 million RMB (≈5 million USD) and strategically located in Xixian New District's Qinhan New City, adjacent to major transportation hubs including Xianyang East Expressway.
Our team ...
