烧付铁板是指作为热盘底部的垫料，通常由铁或其他导热材料制成。它用于提供热传导性和均匀分布热量的功能。

同时，烧付铁板上可能复盖了复合硅胶材料。复合硅胶具有隔热和缓冲的特性，可以在热压过程中减少热盘对FPC的直接接触，防止过热或热量不均匀造成的损坏。它还可以提供一定的防滑效果，以确保FPC在压合过程中保持稳定。

这样的设计有助于在FPC快压机中实现更均匀和稳定的热压结果。请注意，具体的FPC快压机设计和使用情况可能有所不同，烧付铁板的构成和材料可能会因厂商和设备而异。

The silicone iron pad refers to a pad or mat made of silicone material that is placed on the bottom of the hot plate in soldering applications. It is used to provide insulation, heat resistance, and protection for the work surface during soldering operations.

The silicone iron pad offers several benefits:

1. Heat insulation: It acts as a thermal barrier, preventing direct contact between the hot plate and the work surface, thereby protecting it from heat damage.

2. Non-slip surface: The silicone material provides a stable and non-slip surface for placing the soldering iron, helping to prevent accidental slips or movements during soldering.

3. Heat resistance: Silicone is known for its high-temperature resistance, allowing the pad to withstand the heat generated by the soldering iron without melting or deforming.

4. Easy cleaning: The silicone iron pad is typically non-stick, making it easy to clean any soldering residue or flux that may adhere to its surface.

Overall, the silicone iron pad is a useful accessory in soldering workstations, providing thermal insulation and protection for the work surface while offering a stable and non-slip platform for soldering operations.