Waterproof Breathable Foam Vent Wads with Holes

Description

Waterproof Breathable Foam Vent Wads with Holes provide ideal moisture protection and controlled airflow for bottled products. Perfect for carbonated beverages, pharmaceuticals, and liquid containers. Maintains product freshness while preventing pressure buildup.

The Waterproof Breathable Foam Vent Wads with Holes is a high-performance composite sealing material that combines airtight sealing, moisture resistance, and pressure balance.
It consists of an aluminum foil layer, a PE heat seal layer, and a PTFE venting membrane.
This liner effectively prevents leakage and bottle deformation, making it ideal for gas-generating, surfactant-containing, or moisture-sensitive products such as fertilizers, pesticides, disinfectants, peroxides, additives, and essential oils.

1. Product Features

• Anti-bulging and leak-proof design with automatic venting

• Waterproof and breathable barrier

• Excellent chemical and corrosion resistance

• Compatible with PE, PET, HDPE, PP containers

• Customizable structure, vent rate, and logo printing

2. Technical Specifications

• Material: Cross-linked polyethylene foam

• Hole diameter: 1.5mm ± 0.2mm (customizable)

• Hole distribution: 15-20 holes per square inch

• Water resistance: IPX7 rating (submersion protection)

• Air permeability: 2.5-3.5 L/min·cm²

• Temperature range: -30°C to 120°C

• Thickness options: 1.5mm, 2mm, 3mm

3. Application Scenarios

Safe packaging for various industries that require breathability，Widely used for packaging liquids, powders, and gas-generating materials such as:

4.  Product Advantages

• Prevents leakage and deformation from internal pressure

• Moisture-proof and oxygen barrier for long shelf life

• Enhances packaging safety and brand reliability

• Adaptable to a wide range of chemical liquids