Friday, 4 February 2011



Car-May is actively involved in many different procedures to ensure the strength and quality of its products. One way this has been done is the annealing of the plastics and metals that are used to build the pump heads and systems. This is very important for increased strength and resistance towards chemical corrosion.

What is Annealing?

Annealing is the process of a heat treatment of certain types of materials including certain plastics and metals. This process is a heat treatment wherein a material is altered, causing changes in its properties such a strength and hardness. This procedure is done by heating the material to the recrytallization temperature, and then maintaining a suitable temperature, followed by a slow cooling process that does not warp or stress the material further.  

An example of this would be the annealing of the polycarbonate and PEEK manifolds used on the Car-May pumps. This increases resistance to chemicals and stress cracking and crazing.

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