Is 90% Polyester Waterproof? Understanding Its Water-Resistant Properties

Discover whether 90% polyester is waterproof or just water-resistant and learn its properties.

Published Jun 26, 2025

Overview

In the realm of fabrics, understanding the properties of materials is essential, especially when it comes to performance in wet conditions. The video titled "Is 90% polyester waterproof?" delves into the critical distinction between water-resistant and waterproof fabrics. It clarifies that while 90% polyester exhibits certain water-resistant traits, it does not qualify as truly waterproof. This is crucial information for consumers making choices for outdoor gear, clothing, and more, making the video highly relevant for those seeking to understand fabric characteristics.

Video transcript

No, 90% polyester is not waterproof. Polyester is water-resistant to a degree, meaning it dries quickly and can repel small amounts of water. However, for true waterproof properties, the fabric would require additional coating or lamination.

Questions and answers

Is polyester waterproof?
No, polyester itself is not waterproof. It is water-resistant, meaning it can repel small amounts of water but will not keep you completely dry. For waterproof qualities, polyester needs special coatings.
What is the difference between water-resistant and waterproof?
Water-resistant fabrics can repel water to some extent but will eventually become wet if exposed to enough moisture, while waterproof fabrics provide a complete barrier against water, keeping you totally dry.
How can I make polyester waterproof?
To make polyester waterproof, you can apply a waterproofing spray or treatment, or choose products that are specifically designed with waterproof coatings or laminations.
What are the benefits of polyester fabric?
Polyester is durable, quick-drying, and resistant to shrinking and stretching. It's also lightweight and retains its shape well, making it a popular choice for clothing and outdoor gear.