Nonwoven Waterproof and Highly Breathable Membrane

Technical Data

Material type: Polypropylene

Fabric construction: Non-woven

Weight: 150gsm or as your requirements

Tickness: 0.5mm or as your requirements

Texture: can be customized

Color: Dark gray or can be customized

Material and Structure

Constructed from high - quality synthetic fibers such as polypropylene or polyester, this membrane is fabricated through advanced nonwoven manufacturing techniques like needle - punching or spun - bonding. The unique nonwoven structure features a network of interlaced fibers, which, combined with specialized treatments, creates a micro - porous system. These micro - pores are meticulously engineered to be smaller than liquid water droplets yet large enough to allow water vapor molecules to pass through freely, achieving an optimal balance between waterproof and breathable properties.

Performance Characteristics

• Superior Waterproofing: The membrane provides excellent resistance against water penetration, effectively blocking rain, snow, and other forms of moisture. It can withstand high hydrostatic pressure, ensuring long - term waterproof integrity even in extreme weather conditions, safeguarding the underlying structures or contents from water damage.

• High Breathability: With its highly permeable structure, the membrane enables rapid water vapor transmission. This feature prevents the build - up of condensation and humidity, maintaining a dry and comfortable environment. In building applications, it helps to avoid mold growth and deterioration of insulation materials; in personal protective gear, it keeps the wearer dry by efficiently releasing sweat vapor.

• Mechanical Strength: The nonwoven construction endows the membrane with good tensile strength and tear resistance. It can endure mechanical stresses during installation and normal usage, resisting deformation and damage, which contributes to its durability and reliability.

• Lightweight and Flexible: Despite its robust performance, the nonwoven material remains lightweight and flexible, facilitating easy handling, installation, and conformability to various shapes and surfaces. This characteristic makes it suitable for a wide range of applications where adaptability is crucial.

Applications

• Construction Industry: Widely used in roofing underlays, wall membranes, and foundation waterproofing, it forms an essential part of modern building envelope systems. It protects buildings from moisture - related issues while enhancing energy efficiency by maintaining a stable indoor climate.

• Outdoor Equipment: Ideal for manufacturing outdoor products such as tents, backpack covers, and outdoor clothing. It ensures protection against the elements while allowing breathability to keep users comfortable during outdoor activities.

• Packaging: Applied in packaging for electronic devices, pharmaceuticals, and other moisture - sensitive products. The membrane safeguards the contents from water ingress while preventing the accumulation of internal humidity, ensuring product quality and integrity.