1. Firm Connection: Secure and clamp the hot melt cover before binding to prevent the first and last sheets from detaching, ensuring full contact with each side for a tight bind. The open cooling groove design allows rapid cooling of the hot melt adhesive, resulting in a firmer binding. 2. Specifications: Power: 100 W; Binding Size: 320 x 50 mm (A3 short edge, A4, A5, A6); Binding Thickness: 1–50 mm; Preheat Time: 3 minutes; Applicable Paper Weight: 50–350 g. 3. PTC Heating: The heating element utilizes 100W PTC ceramic heating technology for even and efficient heating. Compatible with hot melt covers, hot melt strips, and printed covers with hot melt strips. 4. ThreeStage Temperature Control: Features threestage heating time settings for documents of varying thicknesses. Automatically switches to standby mode after 15 minutes of inactivity, requiring a restart. The ABS plate and allmetal handle are durable, heatresistant, nontoxic, and designed for longterm use.