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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustryAltendorfSchunk Carbon Technology AG
Schunk Carbon Technology AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is the development, production and processing of carbon and silicon carbide materials, as well as the manufacture of components for various industries such as automotive, chemicals, pharmaceuticals, food, climate and power plant technology, aerospace and shipbuilding. This includes, in particular, the production of sealing and pump components, carbon brushes, brush systems, slip ring contacts, current collectors and other components for e-mobility and vehicles.

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Products & services

Industry:Electrical IndustryGlass, Ceramics, Stone & Construction Materials Industry
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Schunk Carbon Technology AG

✓ Offered11
Power and signal transmission
Reliable power and signal transmission with carbon brushes, brush holders, grounding systems and graphite electrodes for industrial applications.
Mechanical applications
High-performance materials and components for mechanical stress, robust components and tailor-made solutions for mechanical applications.
Hot glass transport
Solutions for hot-glass handling with process reliability at maximum temperatures and components for glass industry applications.
Products for analytical and medical technology
Ultra-pure materials for precise, reproducible measurements as well as applications in analytical and medical technology.
Heat treatment
Materials and solutions for thermal processes, high-temperature furnaces, and sintering and carbide applications.
Graphite bipolar plates & foils
Graphite bipolar plates and foils as key components for fuel cells and energy storage, under the Schunk Durapower™ brand.
Materials manufacturer and developer
Materials development and manufacturing from a single source, from concept to production for customer-specific industrial requirements.
Shaping processes
Shaping processes for technical carbon and graphite materials to translate material-specific advantages into customer-specific components.
Surface treatment
Surface treatments to protect materials, improve quality and expand their function in technical applications.
Materials processing
Materials processing using plant engineering to adapt carbon and graphite materials to specific applications.
Finishing
Finishing of materials to optimize their properties for industrial operating conditions.
Trust & reputation

ranQ Trust Score of Schunk Carbon Technology AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Schunk Carbon Technology AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Schunk Carbon Technology AG scores 95.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.96.07%
Schunk Carbon Technology AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
Schunk Carbon Technology AG scores 100.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schunk Carbon Technology AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

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Location

Brügglistrasse 2
8852 Altendorf

At a glance

Legal form
Corporation
UID
CHE-107.854.245
Founded
1955 · 71 years
Last commercial register change
March 26, 2026
Employees
101 to 500
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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