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Anodized Aluminum

Wordingham Technologies uses a wide variety of materials, including (but not limited to):

  • Aluminum
  • Ultem ®
  • Stainless Steel
  • Titanium
  • Brass
  • Glass Filled Plastic
  • Invar
  • Copper Alloy
Material Coefficient of linear thermal expansion (a)
(10 ^ in/in/F° -5 )
(g / M^ 3 )
Aluminum 12.3 2.7
Brass 10.4 8.7
Copper 9.3 8.9
Stainless Steel 8.1 7.4
Steel 6.7 7.8
Titanium 4.8 4.5
Glass 3.3 2.2
Ultem ® 1.1 1.5
Invar 0.9 8.0

Wordingham Technologies uses a wide range of materials to manufacture custom optical parts for our customers. Ultem ® combines excellent strength and stiffness, with a low coefficient of linear thermal expansion while offering dimensional stability along with extensive chemical resistance. Because of its low weight it is often used in medical or head mounted optical applications.
Invar also exhibits extremely low thermal expansion properties and is often used where high precision dimensional stability is required. Invar exhibits superior strength and is used in the manufacture of optical devices and metrology instruments.