Important Notice

CAPALEX will be closing for the Chrismas Holidays 3:30pm Friday 20th December & our Sales Office will be reopening 9:00am 2nd January 2025.

Merry Christmas and a Happy New Year from the CAPALEX TEAM!

Copper Metal Glossary


Patina

The greenish layer that naturally develops on Copper exposed to the atmosphere. Chemically it is a complex mixture of Chlorides, Carbonates and Sulphides. Pre-patinated sheet is used for roofing applications.


Phosphor Bronze, Leaded Phosphor Bronze

Hard and strong cast and wrought Copper/Tin alloys with small, deliberate, Phosphorus additions. Wrought alloys such as PB102 contain 4% to 8% Tin, whilst cast alloys contain 9% to 12% Tin. Leaded Phosphor Bronzes, with Lead contents up to 20% ,are usually available only as castings – Examples are PB1 and SAE660.


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Capital Aluminium Extrusions Limited
Cleator Moor, Cumbria,
CA25 5QB, UNITED KINGDOM.