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  • ECO Polyester Sewing Thread

ECO Polyester Sewing Thread

ECO Polyester Sewing Thread

ECO Polyester Sewing Thread

ECO polyester sewing thread, alternatively referred to as recycled polyester sewing thread, utilizes specialized yarns derived from repurposed plastic bottles. Despite its recycled origins, this thread provides performance on par with the industry's premier non-recycled options. Its status as a recycled product is validated by the Global Recycled Standard (GRS) 4.0. shorten the above content

Product Feature

  • Excellent sewing effect
  • Color fastness up to Grade 4
  • 100% post-consumer recycled polyester fibers
  • Polyester fiber certified by GRS (Global Recycling Standard)


GRS Certified Polyester Yarns


Main specs include 20S/2, 20S/3, 30S/2, 40S/2, 60S/2

Color Card

Color cards are available and customized color is also acceptable. These are made with actual thread samples so you have a perfect color match to choose the desired thread.

GRS Certificate

The GRS is an international, voluntary, full product standard that sets requirements for third-party certification of recycled content,social and environmental practices and chemical restrictions.

Chemical Feature

Chemical Properties ECO Sewing Thread Performance
Inorganic Acids Durable to most inorganic acids
Organic Solvent

Without being affected in weak alkali
thread's durability is deeply affected in strong alkali, especially at high temperature

Rinsing Without being affected
Insect/ Microorganisms Without being affected
Wash/Iron/Dry-Clean Without being affected
Moisture Absorption 0.4%

Product Technical Data

Yarn Count Tex Average Strength Breaking Elongation Shrinkage in Boiling Water
(S) (T) (cN) (%) %
20S/2 28.8*2 2025 13-19 <1%
20S/3 28.8*3 3100 14-21 <1%
30S/2 19.4*2 1300 10-16 <1%
40S/2 14.6*3 1020 9.5-16 <1%
40S/3 14.6*3 1450 11-18 <1%
45S/2 13*2 875 9.5-16 <1%
50S/2 11.7*2 810 9.5-16 <1%
60S/2 9.7*2 640 8.5-14.5 <1%


ECO sewing thread is the ideal choice for manufacturing sustainable products.

Yarn Count Application
60S/4, 40S/2 The 60S/3 and 40S/2 are all-purpose sewing thread for shirts, suits, quilt covers, sheets, etc.
30S/2, 40S/3 30S/2 and 40S/3 are used for thicker fabrics, such as worsted fabrics.
20S/2,  20S/3 20S/2 and 20S/3 can also be called denim thread. The thread is thick and strong, suitable for sewing denim, bags, etc.
50S/2, 60S/2 50S/2 and 60S/2 are mostly used for thin fabrics, such as silk, georgette in summer.


Type Silicone Plastic Core Packing
Count (%) Inch unit/ctn
20/2 2500y 5 4"2" Flat Top Plastic Core 12cones/box 10boxes/ctn
20/3 2500y 5 4"2" Flat Top Plastic Core 10cones/box 10boxes/ctn
30/2 4000y 5 4"2" Flat Top Plastic Core 12cones/box 10boxes/ctn
40/2 5000y 3 4"2" Flat Top Plastic Core 12cones/box 10boxes/ctn
40/3 3000y 3 4"2" Flat Top Plastic Core 12cones/box 10boxes/ctn
50/2 5000y 3 4"2" 10.5g 12cones/box 10boxes/ctn