Police badges are commonly manufactured from brass, zinc alloys, and other metals. The material used affects the badge's weight, durability, appearance, and how it can be manufactured.
Traditional law enforcement badges are often made from die-struck brass, which is valued for its durability, ability to reproduce fine details, and suitability for polishing and electroplating. Other materials, including zinc alloys and aluminum, are also used in badge manufacturing.
Understanding these differences can help you choose the right badge for your department.
Why are police badges commonly made from brass?
Brass has been used in badge manufacturing for generations because it offers an excellent combination of strength, malleability, and appearance.
Brass is an alloy made primarily of copper and zinc. Smith & Warren, a leading American manufacturer of public safety badges, uses a brass alloy known as Gilding Metal (Alloy 210), consisting of about 95% copper and 5% zinc.
Traditional brass badges are typically manufactured using a process called die striking. A piece of brass is pressed into a specially manufactured die under tremendous pressure to form the badge's shape, lettering, and design elements.
The badge is then trimmed, finished, polished, and electroplated to achieve its final appearance.
Brass is particularly well suited to this process because it can reproduce intricate details, including fine lettering and sculpted designs, while providing an excellent surface for polishing and plating.
Are police badges made from zinc alloy?
Yes. Some police badges and other uniform insignia are manufactured from zinc alloys.
Zinc alloy badges are typically produced using a process called die casting. Molten zinc alloy is injected into a mold, where it cools and solidifies into the desired shape.
Zinc alloy badges can also be polished, electroplated, and finished in different colors. However, the quality of the finished badge depends on the alloy, casting process, surface preparation, plating, and overall manufacturing standards.
Are police badges ever made from aluminum?
Yes. Aluminum is sometimes used to manufacture badges and other uniform insignia, particularly where lighter weight or lower material cost is desirable.
Aluminum is considerably lighter than brass or zinc alloy. This can be an advantage for certain applications, but it may not provide the substantial feel that many law enforcement professionals prefer in a traditional uniform badge.
Like other metals, aluminum can be manufactured and finished to different quality standards. Its suitability depends on the intended use and construction of the finished product.
Does the metal affect the weight of a police badge?
Yes. Many law enforcement professionals prefer a badge that feels substantial rather than lightweight or flimsy.
Brass is denser than zinc alloy and significantly denser than aluminum.
For comparison, the approximate densities of these metals are:
- Brass: 8.5 g/cm³
- Zinc alloy: 6.7 g/cm³
- Aluminum: 2.7 g/cm³
When comparing equal volumes of metal, brass is approximately 25–30% heavier than zinc alloy and more than three times as heavy as aluminum.
However, the construction of the badge also affects its weight.
A solid-back badge contains more metal than a hollow-back badge. As a result, a solid die-cast zinc alloy badge may actually weigh more than a hollow-back brass badge, even though brass is the denser material. For more information, see our article about Solid-Back and Shell-Back Badges.
Weight alone is not a reliable indicator of quality. The goal is a badge that feels substantial and well-made without being unnecessarily heavy or uncomfortable to wear.
Are gold and silver police badges made from precious metals?
Most gold- and silver-colored police badges are manufactured from a base metal, such as brass, and electroplated to achieve their finished appearance.
Electroplating deposits a thin layer of metal onto the badge's surface. Depending on the finish selected, this may include gold, nickel, rhodium, or other plating materials.
Solid sterling silver badges and gold-filled badges are also available, although they are much less common and considerably more expensive than traditional electroplated badges.
For most law enforcement agencies, electroplated brass provides an excellent combination of appearance, durability, and affordability.
What material does Badge & Wallet recommend for police badges?
For traditional law enforcement uniform badges, Badge & Wallet generally recommends Smith & Warren's die-struck brass badges.
We believe brass offers an excellent combination of durability, detailed craftsmanship, attractive finishes, and substantial feel. Smith & Warren's manufacturing processes also allow departments to choose from a wide variety of badge shapes, designs, finishes, and construction options.
For additional information about the history and materials used in police badge manufacturing, see Smith & Warren's article, Are Police Badges Made of Metal?.