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{"title":"Thick-Wall Silicon Carbide Roller with High-Load Capacity and Thermal Stability","imgUrl":"https:\/\/img.chinax.com\/nimg\/20\/a5\/22984edc5eb494fd7e0911036278-200x200-1\/thick_wall_silicon_carbide_roller_with_high_load_capacity_and_thermal_stability.jpg","attrs":{"Delivery Time":"Negotiable","Brand Name":"KEGU","Place of Origin":"China","Price":"Negotiable"}}
{"title":"14*11 Pressureless Sintered SiC Roller Long Service Life","imgUrl":"https:\/\/img.chinax.com\/nimg\/4a\/4f\/3a1b020de27f6492ed960ccdb4f9-200x200-1\/14_2a11_pressureless_sintered_sic_roller_long_service_life.jpg","attrs":{"Minimum Order Quantity":"Negotiable","Price":"Negotiable","Place of Origin":"China","Packaging Details":"Strong wooden box for Global shipping"}}
{"title":"Pressureless Sintered SSiC Mechanical Seal Rings with 1650\u00b0C Max Service Temp","imgUrl":"https:\/\/img.chinax.com\/nimg\/93\/b2\/0aa180e09cc5b38b9916cdc6a71d-200x200-1\/pressureless_sintered_ssic_mechanical_seal_rings_with_1650_c2_b0c_max_service_temp_zero_free_silicon_and_high_purity.jpg","attrs":{"Minimum Order Quantity":"Negotiable","Usage":"Industry Usage","Chemical Composition":"Al2O3, SiO2","Sic Content":"85%"}}
{"title":"Premium-Grade Sintered Silicon Carbide (SSiC) Structural Beams 30\u202fmm\u202f\u00d7\u202f40\u202fmm\u202f\u00d7","imgUrl":"https:\/\/img.chinax.com\/nimg\/77\/9c\/4660317dc063f8f070c9b4193768-200x200-1\/premium_grade_sintered_silicon_carbide_28ssic_29_structural_beams_30_e2_80_afmm_e2_80_af_c3_97_e2_80_af40_e2_80_afmm_e2_80_af_c3_9.jpg","attrs":{"Packaging Details":"Strong wooden box for Global shipping","Model Number":"Customizable","Brand Name":"KEGU","Minimum Order Quantity":"Negotiable"}}
{"title":"8-9mm Pressureless Sintered Silicon Carbide Grinding Balls with 2000-2500 Hv","imgUrl":"https:\/\/img.chinax.com\/nimg\/f1\/3a\/6d66a911bd2e44c59cdddf68b969-200x200-1\/8_9mm_pressureless_sintered_silicon_carbide_grinding_balls_with_2000_2500_hv_hardness_2c_1600_c2_b0c_max_service_temperature_2c_an.jpg","attrs":{"Place of Origin":"China","Brand Name":"KEGU","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram","Price":"Negotiable"}}
{"title":"Black Silicon Carbide Refractory Bricks with High-Temp Abrasion and Thermal","imgUrl":"https:\/\/img.chinax.com\/nimg\/9e\/0f\/ffaec3f17d4bc47603a77361b043-200x200-1\/black_silicon_carbide_refractory_bricks_with_high_temp_abrasion_and_thermal_shock_resistance_for_extreme_industrial_use.jpg","attrs":{"Brand Name":"KEGU","Place of Origin":"China","Price":"Negotiable","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram"}}
{"title":"High-Performance Silicon Carbide Rollers with 1650\u00b0C Service Temperature, 196 W","imgUrl":"https:\/\/img.chinax.com\/nimg\/0a\/3c\/31e233b3a869adadec6c4d58d5fb-200x200-1\/high_performance_silicon_carbide_rollers_with_1650_c2_b0c_service_temperature_2c_196_w_2fm_2ak_thermal_conductivity_2c_and_380mpa_.jpg","attrs":{"Delivery Time":"Negotiable","Usage":"Industry Usage","Chemical Composition":"Al2O3, SiO2","Sic Content":"85%"}}
Our thick-wall pressureless sintered silicon carbide (SSiC) roller is engineered to overcome the limitations of conventional rollers, which typically feature wall thicknesses of only 6-8mm. Available in two standardized specifications—40mm OD * 20mm ID and 45mm OD * 20mm ID—this roller delivers exceptional structural strength, thermal stability, and wear resistance.
Key Features & Advantages
Reinforced Structural Integrity: With a wall thickness of 10-12.5mm, the roller provides superior load-bearing capacity and resistance to mechanical stress, high-temperature scouring, and corrosive atmospheres.
Exceptional Thermal & Mechanical Properties: Combines high thermal conductivity (196 W/m*K at 20°C), outstanding thermal shock resistance (>350°C ΔT), and extreme hardness (2350 HV) to ensure longevity under cyclic heating and abrasive conditions.
Optimized Manufacturing Process: Produced via pressureless sintering, the roller achieves near-zero porosity (≈0%) and a dense, uniform microstructure for consistent performance.
Proven Industrial Validation: The 40mm OD variant is mass-produced and widely adopted, while the 45mm OD version is process-optimized and rigorously tested for enhanced durability.
Technical Specifications
Property
Unit
Value
Composition: SiC
Vol%
≥98
Density @ 20 °C
g/cm³
≥3.06
Open Porosity
Vol%
≈0
Vickers Hardness (HV1)
kg/mm²
2350
Flexural Strength @ 20 °C
MPa
320-400
Thermal Conductivity @ 20 °C
W/(m*K)
196
Max. Service Temperature (in air)
°C
1650
Thermal Shock Resistance
ΔT °C
>350
Customization Options
We support tailored solutions with extrusion molding capabilities for rollers up to:
Maximum Diameter: 90mm
Maximum Wall Thickness: 15mm
Maximum Length: 4 meters
Applications
Photovoltaic Glass Manufacturing: Withstands high temperatures and corrosive environments in glass tempering kilns.
Lithium Battery Material Processing: Ideal for sintering furnaces requiring purity and thermal shock resistance.
Ceramic & Tile Production: Durable performance in roller kilns under mechanical and thermal stress.
Why Choose Our SiC Roller?
Extended Service Life: Reduced wear and deformation under load translate to lower replacement frequency and downtime.
Energy Efficiency: High thermal conductivity ensures uniform heat distribution, optimizing process efficiency.
Rapid Deployment: Standardized sizes enable faster validation and delivery, while custom designs are supported for specialized needs.
