Non Woven Laminated Aluminum Foil Insulation Bag

Non woven laminated aluminum foil insulation bag is a type of insulation container that combines the flexibility of non-woven fabric, the thermal insulation of aluminum foil, and the protective properties of the coating layer. It is widely used in food delivery, short distance cold chain transportation, family picnics, and other scenarios. Its core structure is usually composed of a non-woven outer layer, aluminum foil insulation layer, and PE coated inner layer, which not only has a certain load-bearing capacity, but also can isolate the temperature difference inside and outside through aluminum foil reflection. The coated layer enhances waterproof and oil resistant performance.

The following are the characteristics of several common types:
 Thickened non-woven aluminum foil insulation bag: Using thickened (usually ≥ 120g/㎡) non-woven fabric as the outer layer, it improves the overall stiffness and load-bearing capacity (generally able to bear 5-8kg). The internal aluminum foil layer is combined with pearl cotton or bubble film interlayer, and the insulation time is extended by about 30% compared to the basic version. It is suitable for loading heavy hot or fresh food and has strong reusability.
Waterproof aluminum foil insulated non-woven bag: high-density PE or PVC material is selected in the film layer, and special processing is used to achieve waterproof effect (can withstand short-term water immersion or internal condensation). The aluminum foil layer enhances insulation and thermal insulation, and is commonly used for takeaway delivery or refrigerated food transportation in rainy weather to avoid moisture affecting the insulation of the bag body.

Disposable aluminum foil insulated non-woven bag: made of lightweight non-woven fabric (thickness ≤ 80g/㎡) and single-layer aluminum foil, with low cost, designed for one-time use (such as takeaway packaging), simple structure (mostly self-adhesive sealing), load-bearing capacity of about 2-3kg, meeting the short distance insulation needs of a single use and reducing recycling costs.

Ultrasonic welding of aluminum foil insulated non-woven bag: By using ultrasonic technology to weld and seal the edges of the bag body, it replaces traditional needle and thread stitching, avoiding heat loss caused by pinholes, improving sealing performance, and enhancing the durability of the bag body. It is suitable for scenarios with high requirements for insulation and sealing, such as cake and ice cream transportation.