dar-es-salaam Import and export sealing bags: Insert plastic sealing strips, heat to 180° to fuse with the bag body, trade handbag manufacturing: The edges are folded inward and then punched, and the handles are heat sealed,dar-es-salaam plastic bag vacuum bags: One end is sealed and perforated for exhaust, and the other end is automatically sealed

Quality control Physical performance: Tensile strength longitudinal ≥12MPa, ≥10MPa (PE/PVC material) Safety: Total migration ≤10mg/dm², heavy metal (expressed as Pb)≤1mg/kg Size deviation: Width error ±2%, thickness error longitudinal ±15% dar-es-salaam Plastic bag manufacturing equipment selection guide Core equipment type and

Blown film machine: Single-layer, double-layer or three-layer blown film machines determine the film performance (such as thickness, strength), and need to be according to product needs Printing machine: Screen printing is suitable for simple patterns, and flexographic printing is suitable for high-precision color printing dar-es-salaam Bag making machine: Waist making machine (such as fully automatic non-woven waist bag making machine) is suitable for handbags, and hot cutting bag making machine is suitable for flat pockets Seal: Double-chamber sealer (such as DZ-600/2S) is suitable for small and medium-sized bags, and roller sealer is suitable continuous production

Plastic bags keep pace with the development of the times, constantly innovating and making progress, and strive to become a "specialized, refined, special, and dar-es-salaam packaging enterprise.