4J36 shall be used in the environment where extremely low expansion coefficient is required.

Typical applications are as follows:

● Production, storage and transportation of liquefied gas

● Measuring and control instruments with operating temperature below+200 ℃, such as temperature regulating devices

● Screw connector bushing between metal and other materials

● Bimetal and temperature controlled bimetal

● Membrane frame

● Shadow mask

● Tempering die for CRP parts in aviation industry

● Electronic control unit framework for satellites and missiles below - 200 ℃

● Auxiliary electronic tube in the electromagnetic lens of the laser control device