HKSC Silicon Carbide Composite Roller for Rapid Cooling Zone

Model HKSC Roller

HKSC silicon carbide composite ceramic roller is designed for the rapid-cooling zone of roller kilns. It is made with a silicon carbide composite material system to provide excellent resistance to rapid heating and cooling, low thermal expansion, and stable bending performance under sudden cooling conditions. This roller is especially suitable for wide kilns and large-format tile production, where ordinary ceramic rollers may bend, crack, or cause unstable tile movement in the rapid-cooling zone.

Key Advantages

Excellent Thermal Shock Resistance
Ultra-low Thermal Expansion
Outstanding Bending Resistance in Cooling Conditions

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Technical Specifications

Key Performance Parameters

Max Operating Temperature

1100 °C

Al₂O₃ Content

High-Temp Bending Strength

50 ~ 70 Mpa

Thermal Expansion Coefficient

≤4.0×10⁻⁶/℃

Thermal Shock Resistance

Excellent

Water Absorption

8.0 ~ 9.0 %

Application Zone

Kiln Zone Recommendation Map

This map shows Hengke ceramic roller model recommendations for each kiln zone. Every model label links to its product detail page.

Ceramic Roller Series Position in Roller Kiln

Clickable model labels · HTML/SVG data visualization · English kiln zone labels

Series Comparison

Ceramic Roller Series -- Key Parameter Comparison

Compare all Hengke ceramic roller models side by side. Current model HKSC Roller is highlighted. Click any model name to view its full product page.

Ceramic roller series comparison -- Ceramic Rollers Built for Continuous Kiln Operation
Parameter	HK95	HK98	HK99	HK99-Pro	HKSC Current	HK-G98
Al₂O₃ Content	75 ~ 78 %	80 ~ 82 %	81 ~ 83 %	81 ~ 83 %	/	80 ~ 82 %
Water Absorption	5.0 ~ 7.0 %	3.0 ~ 5.5 %	3.0 ~ 5.0 %	3.0 ~ 4.0 %	8.0 ~ 9.0 %	5.0 ~ 7.5 %
High-Temp Bending Strength	40 ~ 55 Mpa	55 ~ 73 Mpa	58 ~ 75 Mpa	80 ~ 90 Mpa	50 ~ 70 Mpa	45 ~ 60 Mpa
Thermal Expansion Coefficient	6.2~6.8×10⁻⁶/℃	6.0~6.5×10⁻⁶/℃	6.0~6.4×10⁻⁶/℃	6.0~6.4×10⁻⁶/℃	≤4.0×10⁻⁶/℃	6.0~6.4×10⁻⁶/℃
Thermal Shock Resistance	Very Good	Excellent	Excellent	Excellent	Excellent	Excellent
Max Operating Temperature	1200 °C	1350 °C	1450 °C	1450 ℃	1100 °C	1350 ℃