When selecting materials for manufacturing pins, it’s essential to consider factors such as durability, appearance, weight, and corrosion resistance. Pins are commonly made from materials like brass, iron, zinc alloy, copper, steel, aluminum, pewter, sterling silver, and PVC, each offering unique benefits depending on their application. Below are some of the most popular materials used in pin production, along with each material’s unique features and uses.
Brass
Brass is an alloy of around 67% copper and 33% zinc, renowned for its corrosion resistance and aesthetic appeal. Its natural luster makes it a popular choice for decorative pins, including lapel and jewelry pins. Also, brass is rather heavy and relatively easy to work with, allowing for intricate designs and detailed craftsmanship. Its durability ensures that pins maintain their appearance over time, even with regular use.
Iron
Iron is a popular choice for enamel pins due to its affordability and durability, making it an excellent low-cost option for large production runs. However, if the plating chips over time, iron pins may develop rust and typically don’t offer the same fine detailing achievable with other metals.
Sterling Silver
High-priced sterling silver lapel pins are often the top choice for gifting to senior executives or long-serving employees. They can also be paired with rhinestones and placed in luxurious gift boxes to create jewelry-style accessories.
Copper
Copper is a highly malleable and soft metal known for its outstanding electrical conductivity. Copper is more costly than brass and is an essential material for creating cloisonné (true hard enamel). Due to its greater malleability, copper can maintain the depth needed after being die-struck, allowing it to hold the powdered cloisonné colors effectively. Furthermore, the natural reddish hue of copper makes it an ideal choice for products with an antique copper finish.
Zinc Alloy
Zinc alloy is a versatile material commonly used in die-casting processes for pin manufacturing. It allows for the creation of complex shapes and fine details, making it suitable for custom designs. Zinc alloy pins are often used for custom lapel pins with intricate cutouts, or designs with depth and 3D details. The material’s affordability and ease of casting make it a popular choice for large production runs.
Aluminum
Aluminum is ideal for both die-stamped and printed lapel pins, making it a great choice for high-quantity giveaways with budget constraints. Its lightweight nature not only makes it cost-effective but also significantly reduces shipping costs.
Rubber and PVC
Rubber and PVC materials are used for pins that require vibrant colors and lightweight properties. They are particularly popular for promotional items, children’s accessories, and novelty pins. These materials allow for a wide range of colors and designs, including three-dimensional shapes. However, they may not offer the same durability as metal pins and can be more susceptible to wear over time.
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