We offer environmentally friendly, lightweight protection that extends the lifetime of critical components exposed to demanding environments with high wear, high temperature, and corrosion.

By strengthening the components’ resistance against these demanding environments, our customers experience lower maintenance costs, reduced downtime, decreased waste production and use of resources, and improved profitability.

We are the world’s first to have found a method for applying one of the world’s hardest substances, silicon carbide (SiC), as a protective layer with thermal spraying.

Learn more about ThermaSiC

Seram Coatings´ product ThermaSiC enables SiC (Silicon Carbide) to be applied as a coating by thermal spraying for the first time. ThermaSiC provides superior coating performance in corrosive and abrasive environments as well as at high temperatures (up to 1500° C in air and 2400° C in inert atmosphere). As SiC is one of the worlds hardest synthetic materials (only exceeded by diamond, cubic boron nitride and boron carbide) and possesses lower density than competing solutions such as WC (tungsten carbide), ThermaSiC gives your products a longer lifetime, lower maintenance costs as well as giving you a competitive advantage.

Compared to vacuum deposition methods (PVD or CVD), thermal spray of ThermaSiC deposition rates and efficiency and has a significantly lower cost. In addition ThermaSiC is specially designed to be used in atmospheric thermal spray conditions suppressing the need for expensive and size limiting vacuum chambers. ThermaSiC is patented and owned solely by Seram Coatings AS, and is currently in field trials all over the world in major industries. We are ready to supply material for tests and pilots and welcome a discussion based on your needs.

What ThermaSiC is used for

The use of silicon carbide has enabled us to produce a uniquely durable and lightweight ceramic. No other coatings can match ours in resisting combinations of extreme wear, temperature, and corrosion. This combination of properties creates groundbreaking opportunities in a range of industries, from aerospace to glass production.

Learn more about the applications

Interested in testing ThermaSiC?

With our breakthrough product, we believe the possibilities are even bigger than we can see from our own perspective. That’s why we need yours!

To reduce risk, create new opportunities, and make the road shorter to success for our customers, we have built our own test facility where we test our product every day and develop new, exciting properties and applications.

Want to test new applications?


The properties of SiC makes it highly attractive as a coating for many industrial applications. Mainly due to extreme hardness in combination with a low friction coefficient and to being chemically inert. It also has a very low density compared to e.g. Tungsten Carbide (WC), which makes it attractive in applications where weight is of importance. The low density, together with the low price of bulk material, makes it a cost-effective competitor to most hard coating materials on the market.

The most relevant applications of thermally sprayed SiC are high wear resistant coatings, where WC is primarily used. Typical applications would be sliding surfaces, rollers, machine parts for the petrochemical and chemical industry, gate valves, pumps, slides, ball valves, mechanical gears and seals, any kind of wear protection, also in combination with corrosion protection. Particularly relevant are sliding and abrasion applications.

Seram Coatings is the only supplier of SiC-based thermal spray coatings. ThermaSiC can be applied with key thermal spray processes such as for example atmospheric plasma spray, detonation gun and HVOF.

Key Properties

  • Superior corrosion and abrasion protection
  • Superior performance at high temperatures
  • High hardness
  • Low weight
  • High deposit efficiency
  • Very dense (< 1% porosity)
  • Low surface roughness ( 4-6μm Ra as sprayed)
  • Can be grinded and polished to Ra <0.15
  • Thin or Thick coatings (<50um to >5000um)

We are now testing our product for different applications in a range of different industries. New industrial partners are still welcome to collaborate with us, and we will focus on verifying the product capabilities for different applications.

ITSC Presentation on ThermaSiC

ITSC Presentation: The advantages of using a silicon carbide coating Seram Coatings presented twice at the International Thermal Spray Conference (ITSC) in Milan, Italy. The first [...]

ThermaSiC Datasheets Updated

ThermaSiC Datasheets Updated We have expanded and updated our technical datasheets for ThermaSiC for 2024! Both the HVOF and APS version can be downloaded here: [...]

Sample Preparation Recommendations

Sample preparation of ThermaSiC Read below to download our sample preparation recommendations: When preparing ceramic coatings for microstructure, hardness and porosity analysis, it is important to [...]


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3936 Porsgrunn, Norway

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Tormod Gjestlands veg 11
3936 Porsgrunn, Norway

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