What is PU Coated Fiberglass Fabric？ - EAS Fiberglass Co., Ltd

What is PU Coated Fiberglass Fabric？

PU coated fiberglass fabric is a type of composite material made by laminating a layer of polyurethane (PU) onto a base fabric woven from fiberglass yarns. This composite material combines the strength and durability of fiberglass with the flexibility and waterproofing properties of polyurethane.

Here are some key characteristics and applications of PU coated fiberglass fabric:

Strength and Durability: Fiberglass is known for its high tensile strength, making it resistant to stretching and tearing. The PU coating further enhances the fabric's durability, providing additional protection against abrasion, punctures, and wear.
Waterproof and Weather-resistant: The polyurethane coating adds waterproofing properties to the fabric, making it resistant to water penetration. This makes PU coated fiberglass fabric suitable for outdoor applications where exposure to moisture, rain, or harsh weather conditions is expected.
Flexibility and Versatility: Despite its strength, PU coated fiberglass fabric remains flexible and pliable, allowing it to conform to various shapes and contours. This versatility makes it suitable for a wide range of applications, including curved surfaces and irregular shapes.
Chemical Resistance: PU coated fiberglass fabric offers resistance to many chemicals, oils, solvents, and fuels, making it suitable for use in industrial settings where exposure to corrosive substances is a concern.
Heat and Flame Resistance: Fiberglass inherently has high heat resistance properties, and the PU coating can further enhance its ability to withstand heat and flames. This makes PU coated fiberglass fabric suitable for applications where exposure to high temperatures or flames is expected.
Electrical Insulation: Fiberglass is an excellent electrical insulator, and the PU coating provides additional insulation properties. This makes PU coated fiberglass fabric suitable for applications where electrical insulation is required, such as in electrical equipment enclosures or insulation blankets.
Applications: PU coated fiberglass fabric finds applications in various industries, including aerospace, automotive, marine, construction, industrial manufacturing, and outdoor gear. Common uses include protective covers, tents, awnings, flexible ducting, insulation jackets, conveyor belts, and industrial curtains.

Overall, PU coated fiberglass fabric offers a combination of strength, durability, flexibility, and weather resistance, making it a versatile material suitable for a wide range of industrial and commercial applications.

How to make PU Coated Fiberglass Fabric？

The process of making PU coated fiberglass fabric involves several steps:

Preparation of Fiberglass Fabric: The process begins with the preparation of fiberglass fabric. Fiberglass yarns are woven into a fabric using weaving machines. The type of weave (e.g., plain weave, twill weave) and the density of the weave can be adjusted depending on the desired characteristics of the final fabric.
Preparation of Polyurethane (PU) Coating: The polyurethane coating is prepared by mixing polyurethane resin with various additives and solvents. These additives may include cross-linking agents, plasticizers, pigments, and stabilizers. The specific formulation of the PU coating can be tailored to achieve desired properties such as flexibility, adhesion, and durability.
Application of PU Coating: The prepared fiberglass fabric is then coated with the polyurethane mixture using a coating machine or roller. The coating is applied evenly to both sides of the fabric to ensure uniform coverage. The thickness of the PU coating can be controlled to achieve the desired level of waterproofing and flexibility.
Curing and Drying: After the PU coating is applied, the coated fabric is passed through an oven or drying chamber to cure the polyurethane. Curing typically involves heating the fabric to a specific temperature for a predetermined amount of time to facilitate cross-linking and polymerization of the polyurethane resin. This step helps to ensure that the coating bonds firmly to the fiberglass fabric and develops the desired properties.
Quality Control: Throughout the manufacturing process, quality control measures are implemented to ensure that the PU coated fiberglass fabric meets the required specifications and standards. This may include visual inspection, testing of coating thickness, adhesion strength, flexibility, and resistance to water, chemicals, heat, and flame.
Finishing and Packaging: Once the PU coated fiberglass fabric passes quality control checks, it may undergo additional finishing processes such as cutting to size, hemming, or adding reinforcements. The finished fabric is then packaged and labeled for distribution to customers.

Overall, the process of making PU coated fiberglass fabric involves a combination of weaving, coating, curing, and quality control steps to produce a durable, flexible, and waterproof material suitable for various industrial and commercial applications.

EAS Fiberglass Co., Ltd is a professional fiberglass products supplier and provides comprehensive and effective material industrial solutions covering the market of high-performance FRP, highly effective temperature insulation, and highly convenient construction. Nowadays, EAS owns various product lines of fiberglass yarn forming, woven fabrics, fabric coating/lamination, FRP, etc. The complete product lines enable EAS to master the quality control and products market competitive. Taking this advantage involves us in many projects and enhance brand promotion. Certified ISO9001-2008 equips EAS staff and management with a more professional operation. Certification of test reports for products is made by third-party laboratories SGS, TUV, DNV, etc.