There are three types of blister packaging: gypsum mold, electroplating copper mold and aluminum mold. The cost of gypsum mold is low, aluminum mold is more expensive, followed by copper mold. Gypsum mold is easy to modify, and is often used to play tricks. The electronic blister packaging tray is suitable for making some blister props that require low volume production. The aluminum mold has high precision and is beautiful but expensive. It is more durable than gypsum mold and copper mold. absorb
