Used to glue folded filter paper by applying uniform coating. Ensures filter paper layers are tightly bonded, preventing separation or delamination. Features adjustable coating thickness and automated operation for high consistency.

Clamps hot-melt iron or metal materials on the edge of filter paper. Provides strong pressure and heat to form a solid bond. Features a quick heating/cooling cycle to improve production efficiency across various filter types.

Utilizes ultrasonic vibration heat energy to bond filter paper parts quickly. No glue or external materials required, ensuring product purity and hygiene. Ideal for complex shapes and high-quality bonding requirements.