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Iron Nickel alloys have a very low thermal expansion in cryogenic temperatures of up to 200°C. They are well-suited for metal glass sealing in electronics and any time a material’s thermal expansion rate needs to prevent differential expansion.
INVAR is a FeNi36 alloy with s a very low coefficient of thermal expansion. The coefficient is of virtually zero at temperatures ranging from cryogenic to ambient. It has a very low coefficient of thermal expansion from -100°C to +200°C).This is a...
INVAR M93 is a specific INVAR. It has a fully austenitic structure at all temperature. INVAR M93 offers good ductility and toughness without any risk of embrittlement at cryogenic temperatures. Our INVAR M93 is ready to meet the challenge of hydro...
IMPHY DILVER is an iron-nickel-cobalt alloy.  This alloy creates an homogeneous oxide layer needed to adhere metal to glass. This is possible thanks to an average CTE close to borosilicate glass).
IMPHY N42 is an iron-nickel controlled expansion alloy suitable to glass sealing. This grade has anoptimal chemical composition to obtain hermetic seals.  
IMPHY N42E  is an iron-nickel controlled expansion alloy especially recommended for etching.  
IMPHY N48 is an iron-nickel controlled expansion alloy suitable to soft glass sealing. IMPHY N48 offers an optimal chemical composition to obtain hermetic seals.  
IMPHY N52 is an iron-nickel controlled expansion. IMPHY N52 is suitable to soft glass sealing. It offers an optimal chemical composition to obtain hermetic seals.
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