PLATIN® MEDI WC-c
A coating with excellent tribological properties for medical applications.
PLATiN® MEDI WC-C is a tungsten carbide coating enriched with carbon. It has excellent tribological properties, eliminatingadhesion-gripping phenomena. It also withstands high loads under reduced or dry lubrication, and is highly resistant to corrosion.
These properties make it an excellent candidate for solving the problem of seizing moving parts in plastic injection molds, particularly in the manufacture of medical plastic parts (syringes, surgical tools, ophthalmic and blood devices).
PLATiN® MEDI WC-C coating is deposited by PVD (Physical Vapor Deposition) using a magnetically guided arc evaporation process. This process confers excellent adhesion to the coating and can be carried out at low temperatures (minimum 200°C).
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Information to be communicated :
- Steel grade (standardized designation preferred) or other (carbide, aluminum, titanium, etc.)
- Previous treatments.
- Functional parts, geometric tolerances to be respected
- Hardness tolerances.
- Thickness required
- Part layout, weight, number of parts per shipment and per year.
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business sectors concerned
PLATiN® MEDI WC-C is recommended for plastic injection and medical device tooling requiring a good coefficient of friction.
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Our FAQs
The Thermi-Lyon group sites certified for the medical markets are THERMI-LYON and THERMI-PLATIN. The THERMI-BUGEY site is in the process of being certified.
Vacuum deposition is a surface treatment used to deposit a material or alloy on a mechanical part.
The use of vacuum technology ensures a perfectly clean, non-polluting process.
It is not subject to REACH legislation.
The deposition method depends above all on the nature of the coating to be deposited and the substrate.
If the substrate cannot be heated to high temperature, the deposition must be carried out using low-temperature technology.
If the coating to be deposited consists of a solid element (metal or graphite target), a physical process such as PVD is used. If the coating consists of a gas or liquid, a chemical process such as CVD or PACVD is used.
Vacuum deposits are classified into several categories: anti-wear, friction, decorative and biocompatibility. The applications are therefore very varied: automotive components, aerospace, tooling, cutting tools, medical devices, decorative parts...
Vacuum deposits are of the order of a few microns, and are applied to finished parts. As a result, every precaution must be taken to anticipate deformation. Dimensional tolerance must take into account the extra thickness created by the deposit itself (a few microns).
Nature of steel or carbide, if steel treated, please specify the treatments carried out. Desired characteristics (hardness), quantities of parts per shipment and per year, drawings of the part and specifications. If possible, how the part will be used and its final purpose.
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