Polyester itself is not inherently waterproof, but it can be treated with a waterproof coating or laminate to make it water-resistant or waterproof. This treatment creates a barrier that prevents water from penetrating the fabric. However, it's important to note that the level of waterproofing can vary depending on the specific treatment and construction of the polyester fabric. **

No, 100% white polyester does not typically discolor in the washing machine. Polyester is a durable and colorfast fabric that is resistant to fading and discoloration. However, it is always important to follow the care instructions on the garment's label and use the appropriate washing settings to ensure the best results. **

Polyester is a synthetic material that is water-resistant, so it does not absorb water like natural fibers do. When it rains, polyester fabric will repel the water and not become saturated. This makes it a popular choice for outdoor clothing and gear, as it helps to keep the wearer dry. Additionally, polyester is quick-drying, so any water that does come into contact with it will evaporate relatively quickly. **

To remove white acrylic paint from a 100% polyester winter jacket, you can start by scraping off as much of the dried paint as possible using a blunt edge, like a butter knife. Then, apply a small amount of rubbing alcohol or nail polish remover to a clean cloth and gently dab at the paint stain. Be sure to test the alcohol or nail polish remover on a small, inconspicuous area of the jacket first to ensure it doesn't damage the fabric. Once the paint is removed, wash the jacket according to the care instructions. If the stain persists, consider taking the jacket to a professional cleaner for further assistance. **

Polyester is a synthetic fabric that is known for its resistance to shrinking. Unlike natural fibers such as cotton or wool, polyester is less likely to shrink when exposed to heat or moisture. However, it is still possible for polyester to shrink under extreme conditions, such as high heat in the dryer or hot water in the washing machine. To prevent shrinking, it is recommended to follow the care instructions on the garment's label and avoid exposing polyester to high temperatures. **

Polyester itself is not inherently stretchy, as it is a synthetic fiber known for its durability and wrinkle resistance. However, when blended with other fibers such as spandex or elastane, polyester can become stretchy. This blend is commonly used in activewear, swimwear, and other clothing items that require stretch and flexibility. So, while pure polyester is not stretchy, it can be made stretchy when combined with other materials. **

Polyester has both advantages and disadvantages. It is durable, wrinkle-resistant, and retains its shape well, making it a popular choice for clothing and home textiles. However, it is not as breathable as natural fibers and can be less comfortable to wear in hot weather. Additionally, polyester is a synthetic material made from petrochemicals, which can have negative environmental impacts. Overall, whether polyester is "good" depends on the specific use and individual preferences. **

Waterproof nylon is a type of fabric that has been treated with a special coating or laminate to make it completely impervious to water, meaning that no water can penetrate the fabric. On the other hand, water-repellent polyester is a fabric that has been treated with a coating to make it resistant to water, causing water to bead up and roll off the fabric rather than being absorbed. While both fabrics offer some level of water resistance, waterproof nylon provides a higher level of protection against water compared to water-repellent polyester. **