HK-G98 Ceramic Roller for Cooling Zone

Model HK-G98 Roller

HK-G98 is a gear-surface ceramic roller based on HK98 material, designed for cooling zones to improve friction, tile movement stability, and deviation control under strong cooling air. Similar designs can also be customized with HK98 or HK99 grades.

Key Advantages

Designed For Rapid Cooling & Temperature-Change Zones
Increased Surface Friction, Helps reduce tile slipping or deviation
Good Bending & Deformation Resistance

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Technical Specifications

Key Performance Parameters

Max Operating Temperature

1350 ℃

Al₂O₃ Content

80 ~ 82 %

High-Temp Bending Strength

45 ~ 60 Mpa

Thermal Expansion Coefficient

6.0~6.4×10⁻⁶/℃

Thermal Shock Resistance

Excellent

Water Absorption

5.0 ~ 7.5 %

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 HK-G98 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	HK-G98 Current
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 ℃