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Our newest coating! A durable, inert, corrosion resistant coating that is harder than steel and highly resistant to acid and base attack. Ideal for valves and components that require a tough scratch resistant coating. Dursan is a hydrophobic surface that strongly repels water.
The ultimate in inert coating technology. Eliminate surface interaction in process, analytical, oil and gas sampling. Allow for fast accurate sampling the first time, every time. Improves test efficiency while reducing overall sampling/analytical cost.
A corrosion resistant coating that increases the lifetime of system components. Improve the corrosion performance of stainless steel, eliminate the use of costly high performance alloys while reducing component corrosion.
A non-stick coating designed to reduce the onset of carbon coking and fouling on stainless steel. Extend maintenance cycles in refining and petrochemical operations, improve engine and fuel delivery performance by reducing carbon build-up on fuel injectors and combustion surfaces.
A low outgassing, rapid pump down, high purity coating designed to improve ultra high vacuum system performance. Reduce vacuum pump-down cycle time, improve product yield by eliminating surface impurities.

Cleaning & Handling

Surface Care Recommended Care of Treatment Layers
Since 1987, the SilcoTek (formerly Restek Performance Coatings) Team has been offering leading edge passivation and barrier coating technology to the scientific, analytical, and process markets. You may have questions regarding the appearance, performance, and maintenance of the treated surface. Here are a few tips to keep your treated products working at peak performance.

Appearance
Layer appearance and surface finish can vary from lot to lot. Small variations in surface thickness (measured in angstroms) can impact layer appearance. The surface finish should be bright and free of defects, but original surface condition can have a major impact on final surface quality.Your parts are cleaned after treatment; however, the surface may contain some trace silicon (black particles) as a byproduct of the treatment process. Residual silicon can be removed by rinsing with a solvent or by sonication in water.

General thickness ranges are:

Product Coating thickness Color
SilcoNert™1000
SilcoNert™2000, SilcoKlean™
Silcolloy™, SilcoGuard™		 1200Å–2500Å
1200Å–2500Å
up to 5 µm		 Rainbow
Rainbow
Gray

Colors associated with layer thickness are:

Cleaning
Your parts are precision cleaned by SilcoTek prior to processing. Additional pre-cleaning by the customer is often unnecessary and at times can be detrimental to our coating process.

In order to provide the highest quality coating and fastest processing; notify SilcoTek of any prior chemical exposure (regardless of weather the part is new or used). Chemicals like cutting oils, pickling acids, solvents, water based cleaning compounds or other hazardous or non hazardous chemicals may impact the coating process. Many times the customer's cleaning process or chemical exposure can be eliminated, saving the customer time and money. Before sending parts to SilcoTek, contact your SilcoTek representative at silcod@SilcoTek.com or call us at (814) 353-1778

Galling

Galling can occur when two parts of similar material are connected under compression and the heat generated "cold welds" the parts together. Customers have observed Galling when two Silco'd treated compression fittings or NPT fittings are assembled. For that reason SilcoTek does not recommend coating the nuts or ferrules from compression fittings and recommends that the coating either be removed with Scotch Brite or Teflon tape when two NPT fittings are connected.

Galling has never been reported when a non coated and Silco'd coated fitting is mated. If both mating parts must be coated, then SilcoTek recommends using anti Seize compounds made from Silver, Moly or Nickel: For sample cylinder applications refer to the instructions pertaining to the use of Teflon tape on the valve NPT prior to installation

For more information on anti Seize compounds go to: www.grainger.com

For more information on Galling please go to: www.estainlesssteel.com

Troubleshooting
Under normal use, your treated items should deliver outstanding performance for years to come. However, effective lifetime is dependent on the severity of the environment. Factors that can impede performance are:

  • Contamination: Failure to properly clean the surface can allow increased surface activity. If performance changes, thoroughly clean the surface and inspect the layer for damage.
  • Erosion: Contact with abrasives can accelerate surface wear.
  • Bases: Contact with a base (pH 8 or higher) can accelerate deterioration of the layer.
  • Surface finish: Surface finish and color should stay consistent throughout the life of the product.
  • Changes in the finish or color may indicate a partial loss of the layer. To prevent further loss, ensure no exposure to bases or abrasives.

For additional information about SilcoTek contact our technical service department at 814-353-1778 or email at Silcod@SilcoTek.com.

About Us
SilcoTek's involvement with surface coatings began in 1987, when we developed a treatment that made stainless steel surfaces inert to low-level reactive organic compounds. Since this initial project, SilcoTek's experts have developed a family of surface treatments to address other specific needs and thereby enhance the performance of system components. These treatments are:

  • SilcoNert™1000
  • Silcolloy™
  • SilcoGuard™
  • SilcoKlean™
  • SilcoNert™2000