Indium is a very soft white colored metal plating. It maintains its ductility down to very low temperatures, even down to temperatures approaching 0 Kelvin.

Melting Temperature: 156°C.

Depending on the application, maximum advised using temperature is 130°C.

Industry Standard ASTM B 545.

Type I Electro deposit.

Thickness 10 µ to 250 µ.

Basic Metal Pre-plating preparation.

Parts to be plated are subject to such cleaning , pickling and plating procedures as are necessary to obtain the desired results.
Good adhesion of electroplated Indium to stainless steels and high alloys, requires a special developed pre-treatment.


Maximum rectangular size 250 X 220, max width 200.
Maximum diameter 450 mm.

In order to avoid metal-ion contamination of the plating solutions HTMS can only accept steel, stainless steel and all Ni Alloys.

Plating on Titanium is also a specialism of HTMS.



Copyright ©2007 HTMS





Resilient metal seals from High Tech Metal Seals NV are used in the most extreme environmental conditions. Spring Energised Metal C Rings are used under extreme conditions where temperature can range from cryogenic up to extreme high temperatures, such as 800°C.
To serve the harsh conditions in today’s Oil and Gas exploration, High Tech Metal Seals NV designs and manufactures resilient metals seals which comply and exceed the ISO 15848 leakage requirements for valves intended for application with volatile air pollutants and hazardous fluids. High Tech Metals Seals are manufactured from high alloy materials so that the finished product complies with NACE MR0175 requirements. Silver plated Metal O rings or Metal C Rings, because of ductile layer are successfully used in high vacuum applications. Silver plated or PTFE coated spring energised C Rings and Metal C Rings comply and exceed the ISO 15848 leakage requirements, from cryogenic temperatures up to extreme high temperatures and pressures. In nuclear applications, particle research, and other radiation application, typically high load resilient metal seals, such as spring energized metal C Rings or Metal O Rings, with a ductile layer of silver are successfully used. High Tech Metal Seals NV, seals for extreme environmental conditions are particularly suited for high pressure. The system pressure assist in maintaining intimate contact with the mating flanges.

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