Enamel pins are popular for branding, souvenirs, and collectibles. Among the many types available, soft enamel and hard enamel pins are the two most widely used. While they may look similar, their craftsmanship, production techniques, and final finishes are quite different.

If you’re considering custom enamel pins, understanding these differences can help you choose the best option for your needs. Let’s dive into the details.

Mold

Both Hard and Soft Enamel start with the same design and mold creation process, but Hard Enamel molds are deeper to accommodate the polishing process later.

Soft Enamel Pins: Have a shallower mold where the metal borders remain raised, creating a textured surface. The design is stamped onto the base metal, leaving recessed areas for enamel filling.

Hard Enamel Pins: Require a precise and deeper mold to accommodate the polishing process that follows. The metal lines must be thick enough to ensure durability after being sanded down.

Some Steps Before Filling Colors

For soft enamel pins, they need to be polished and plating before coloring. For hard enamel pins, they need to be cleaned before coloring.

Coloring Process

For hard enamel pins, they are colored after cleaning. For soft enamel pins, they are colored after polishing and plating.

• Soft Enamel Pins:
  Soft enamel pins have a simpler and faster coloring process. Enamel is filled into the recessed areas of the metal base in a single step. Once the enamel is added, the pin is baked at a lower temperature to cure the enamel. Unlike hard enamel pins, the enamel in soft enamel pins does not reach the same level as the metal lines, leaving the raised metal borders exposed. This process allows for vibrant colors and detailed designs, but the enamel remains slightly recessed, creating a textured surface.
• Hard Enamel Pins:
  The coloring process for hard enamel pins is meticulous and requires multiple steps. Enamel is added one color at a time, filling the recessed areas to the top of the metal lines. each color must be baked individually before adding the next. This ensures the enamel hardens properly and remains durable. Since the enamel reaches the same level as the metal lines, it is then sanded down to create a uniform, flush surface. This process makes hard enamel pins more time-consuming to produce but results in a smooth and polished finish.

Baking & Curing – Different Temperatures

Soft Enamel Pins: Are baked at a lower temperature and typically only once after all the colors are applied

Hard Enamel Pins: Require high-temperature baking after each enamel is applied. This process results in a smooth, hardened, and durable surface.

Some subsequent processing

Finishing Touches – The Final Look

• Hard Enamel Pins:
  After the coloring and baking process, hard enamel pins go through an extensive polishing stage. The surface is sanded and buffed to ensure that the enamel is flush with the metal lines, creating a smooth and even finish. This polishing process enhances the durability of the pin and makes it more resistant to scratches, chipping, and fading. Hard enamel pins also often have a naturally glossy finish without the need for an epoxy coating. The final product is sleek, smooth, and highly durable, making it a popular choice for professional or high-end designs.
• Soft Enamel Pins:
  Soft enamel pins retain their textured appearance, with raised metal lines separating the recessed enamel areas. This creates a more classic and traditional enamel pin look, which many collectors appreciate for its dimensional effect. Some manufacturers add a layer of epoxy coating to protect the enamel from wear and tear, but even with this coating, the surface is not as smooth or polished as a hard enamel pin. The final appearance of a soft enamel pin is often more vibrant and detailed due to the way light interacts with the recessed enamel and raised metal areas.

Final Summary

In essence, hard enamel pins are smooth, polished, and highly durable, with a flat surface where the enamel and metal are at the same level. They require a more intricate manufacturing process but result in a premium, long-lasting product. On the other hand, soft enamel pins have a textured, dimensional look with raised metal borders and recessed enamel. They allow for more detailed designs and a classic enamel pin appearance but are slightly less durable without additional protective coatings.

Both styles have their unique advantages, making them suitable for different aesthetic preferences and functional needs.