Oxygen Sensor Gasket

Advanced Ceramics Series

Oxygen Sensor Talc Rings

Sinopride oxygen sensor talc rings provide compression sealing and electrical insulation around ceramic sensing elements.
Available in both sintered and non-sintered options, they can be customized in formulation, shape and dimensions to meet different sensor designs and assembly requirements.
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Technical Specifications

Oxygen Sensor Talc Rings
Product Code Material System Weight Tolerance Operating Temperature Leakage Rate Processing Type
SH100 Talc-Based ±2% ≤800 ℃ ＜0.1 mL/min Non-sintered
SH035 Talc-Based ±2% ≤800 ℃ ＜0.1 mL/min Sintered at 650℃
SH425 Talc-Based ±2% ≤800 ℃ ＜0.1 mL/min Sintered at 650℃

Typical Applications

 
  • Automotive NOx sensor with talc sealing ring
    Automotive NOx Sensors
  • Automotive oxygen sensor with talc sealing ring
    Automotive Oxygen Sensors
  • Motorcycle oxygen sensor with talc sealing ring
    Motorcycle Oxygen Sensors
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How Can Sinopride Talc Rings
Benefit Your Application?
 
  • Talc-based sealing material for oxygen sensor rings
    Reliable Sealing Performance

    A mature and stable formulation supports consistent compressibility and sealing performance across different sensor applications.

  • Talc powder and formed oxygen sensor rings
    Consistent Compressibility

    Controlled granulation helps maintain uniform particle size and material consistency, supporting consistent compressibility during sensor assembly.

  • Dimensional inspection of oxygen sensor talc rings
    Precise & Consistent Fit

    Standardized process control enables ±2% weight tolerance and ±1% dimensional control, supporting precise and consistent fit across production batches.

  • Inspection of oxygen sensor talc rings
    Field-Proven Reliability

    Sinopride talc rings have been tested and used by customers in automotive and industrial sensor applications over extended periods.

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What Makes Sinopride Oxygen Sensor Talc Rings Reliable?

Sinopride integrates material formulation, granulation, forming, sintering, and quality control to maintain consistent performance from raw materials to finished talc rings.
Both sintered and non-sintered products are supported by controlled manufacturing processes and extensive customer application experience.
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Role of Talc Rings in Oxygen & NOx Sensors
 
  • Talc ring sealing around an oxygen sensor sensing element
    Stable Internal Sealing

    Talc rings form a compressed sealing layer around the sensing element, helping maintain a stable internal seal.

  • Oxygen sensor talc ring under high-temperature operating conditions
    Seal Integrity Under Demanding Conditions

    The compressed sealing structure helps maintain seal integrity during temperature changes and demanding sensor operating conditions.

  • Talc ring supporting long-term oxygen sensor sealing
    Long-Term Sensor Reliability

    Stable sealing helps reduce seal degradation and supports reliable sensor operation over extended service periods.

  • Talc ring in an automotive oxygen sensor assembly
    Supports Reliable Sensor Operation

    By maintaining a stable seal around the sensing element, talc rings support consistent sensor operation in engine and emissions monitoring systems.

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What Should You Consider
When Selecting Talc Rings?
 
 

Sintered vs. Non-Sintered Options

Talc rings are available in sintered and non-sintered forms. The appropriate option should match the sensor structure, assembly process, and sealing requirements.

Compression & Sealing Behavior

In compression-sealing designs, the talc ring is compacted during assembly to fill the space around the sensing element and form a stable sealing layer.

Thermal Stability

The sealing structure should maintain its integrity during elevated-temperature operation and repeated temperature changes in oxygen and NOx sensors.
Choose Sinopride:
Reliable Talc Ring Manufacturing for Sensor Applications
Sinopride supports oxygen and NOx sensor applications with integrated material development, manufacturing, quality control, and custom production capabilities.
We provide sintered and non-sintered talc rings with customizable formulations, shapes, and dimensions to meet different sensor designs and production requirements.
30+
Years of Experience
20+
Members of QC Team
11+
Members of R&D Team
600+
Annual Production in Tonnes
39+
Patents Granted
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