Description: A composite packaging bag made of aluminum foil and plastic film layers.
Structure: Typically consists of PET/AL/PE or similar multi-layer laminates.
Features: Excellent barrier properties (moisture, oxygen, light), puncture resistance, heat sealability.

Description: A co-extruded film combining nylon (PA) with other plastics (like PE or EVOH).
Features: High tensile strength, puncture resistance, barrier to gas and aroma.
Uses: Often used in vacuum packaging, meat packaging, medical supplies, and chemical bags.

Description: A film made purely from polyethylene resin, often used as liners or primary packaging.
Types: LDPE, LLDPE, or HDPE, available in different thicknesses and widths.
Features: Chemical resistance, flexibility, moisture resistance.