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https://www.rongduthread.com/products/heavy-duty-polyester-sewing-thread/

Heavy Duty Polyester Sewing Thread
Heavy-duty continuous filament 100 percent polyester thread is made from non-stretchy but strong polyester continuous filament. Although it has no elasticity, it still accommodates a small amount of “give” with good recovery. Its high strength and UV Resistance made it popular among professional outdoor filament thread exposed to sunlight over long periods such as sports goods, automobiles, tarps, canvas, slings, awnings, tents, wire and cable applications, filtration, boat, marine fabric, outdoor furnishings and more. It also the ideal high tenacity polyester sewing thread for general tough sewing like luggage and bag, furniture upholstery, footwear, curtains, kites etc. that see less sunlight.

Heavy Duty Polyester Sewing Thread Parameter
Denier/PLYTexTicketRecommended Needle Size
SingerMetric
100D/335809-1165-75
150D/235809-1165-75
150D/3506010-1270-80
210D/2506010-1270-80
210D/3704013-1685-100
250D/3803016-19100-120
420D/31352018-21110-130

What Do You Use Polyester Thread For
Garment construction: Continuous filament polyester thread is suitable for sewing seams, hems, and buttons on various types of garments. It provides strong and durable stitches that can withstand regular wear and washing.

Upholstery: This heavy duty outdoor sewing thread is excellent for sewing upholstery projects such as furniture, cushions, or pillows. Its strength and resilience make it ideal for handling the demands of upholstery fabrics.

Leatherwork: Continuous heavy duty thread for leather is commonly used for sewing leather projects. Whether it's making leather bags, wallets, belts, or other accessories, this thread provides the strength needed to securely hold leather pieces together.

Quilting: This thick black sewing thread is suitable for machine quilting and can handle multiple layers of fabric, batting, and backing. It helps create durable and long-lasting quilts with even stitches.

Machine embroidery: Continuous filament extra strong polyester thread is often used for machine embroidery. It allows for intricate designs and provides smooth and consistent stitching on various fabrics.

Decorative stitching: Whether it's decorative topstitching on garments or adding decorative accents to home decor items, continuous filament polyester thread can be used to create eye-catching and durable decorative stitches.

Outdoor gear: This continuous filament industrial polyester thread is a popular choice for sewing outdoor gear such as backpacks, tents, or outdoor clothing. Its strength and resistance to environmental factors make it suitable for withstanding outdoor conditions.

Heavy-duty projects: When sewing heavy-duty fabrics like canvas, denim, or upholstery materials, heavy duty sewing thread for canvas provides the necessary strength and durability for secure seams.

Why Buy Polyester Thread from Rongdu?
Rongdu, a trusted brand in the textile industry, offers high-quality continuous filament polyester thread. This strong white thread is known for its exceptional durability and strength. With its excellent performance, it guarantees a smooth and snag-free sewing experience.

The thick polyester thread from Rongdu is made from 100% polyester, ensuring superior resistance to stretching, abrasion, and color fading. It is also fade-resistant, making it ideal for long-lasting projects. With its vibrant colors, this thread will bring your creations to life.

The continuous filament construction of Rongdu heavy 2 ply polyester thread eliminates the need for frequent thread changes. This makes it perfect for continuous stitching, saving you time and effort. It also offers excellent resistance to fraying, knotting, and twisting, ensuring you can focus on your sewing without any interruptions.

Whether you are working on garments, home decor, accessories or polyester thread for outdoor use, Rongdu polyester filament thread is your reliable choice. Its high tensile strength ensures strong and secure seams, making your creations stand the test of time.

Choose Rongdu polyester thread for its exceptional quality, durability, and performance. Trust in the brand that values your creativity and brings out the best in your sewing projects.

Is Polyester Thread Strong
Yes, polyester thread is known for its strength and durability. Polyester is a synthetic fiber that is commonly used in the production of sewing threads due to its numerous advantageous properties. Here are some reasons why the polyester thread is considered strong:

Tensile Strength: Polyester fibers have high tensile strength, which means they can withstand a significant amount of stress and tension without breaking. This property makes polyester filament thread suitable for a wide range of sewing applications, from lightweight fabrics to heavy materials.

Abrasion Resistance: Thick polyester thread is resistant to abrasion, meaning it can withstand friction and rubbing without wearing down or breaking. This makes it ideal for sewing projects that involve repeated use or contact with rough surfaces.

Chemical Resistance: Polyester filament sewing thread is resistant to many chemicals, oils, and acids. This property makes it suitable for applications where exposure to chemicals or environmental elements is a concern.

Moisture Resistance: Polyester fibers are hydrophobic, meaning they repel water and moisture. This resistance to moisture absorption helps prevent the weakening of the thread when exposed to wet conditions.

UV Resistance: Heavy polyester thread is generally resistant to UV radiation from the sun, which means it won't degrade as quickly when exposed to sunlight. This makes it suitable for outdoor applications where exposure to sunlight is a factor.

Color Fastness: Polyester thread is often colorfast, meaning it retains its color well and doesn't fade easily when exposed to light or washing. This is important for maintaining the appearance of sewn items over time.

Low Stretch: Polyester thread has low stretch compared to some other types of thread, which helps maintain the stability of stitches and prevents them from becoming loose over time.

Easy Care: Polyester thread is relatively easy to care for. It can withstand machine washing, drying, and ironing without losing its strength or shape.

Due to these properties, polyester thread is widely used in a variety of sewing projects, including apparel, home textiles, upholstery, outdoor gear, bags, and more. It's suitable for both lightweight and heavy fabrics, and it can handle various stitching techniques. However, it's important to select the appropriate weight (thickness) of polyester thread based on the weight of the fabric and the requirements of your project.

Advantages of Heavy Duty Polyester Sewing Thread
01
Specification
70D-2000D/2-4PLY

0.8kg-5kg/piece（the minimum weight of hank packaging thread is 0.2kg/piece)

02
Feature
High Strength, UV Resistance, Abrasion Resistance, Lint-free, Acid Resistance, Heat Tolerance, Mildew Resistance, Advanced Lubrication, Color Fastness, Gorgeous Luster, Advanced Lubrication

03
As requested
70D-2000D/2-4PLY

If you want to buy large spools of thread, please contact us.