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Dope Dyed Polyester Yarn

-- Steady & Reliable Manufacturer --

Introduction

Hangzhou Dingkai Chemical Fibre Co., Ltd. (DK) is a leading expert in dope dyed polyester yarn production. Our 15,000 sqm Hangzhou facility features 30 DTY machines equipped with precision color-dosing systems to ensure Grade AA quality. Since 2007, we have been a trusted B2B partner for international manufacturers, exporting our color-consistent and eco-friendly yarns to over 30 countries. We offer a comprehensive range of colors, from standard blacks and navies to custom fashion shades.

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Detailed Professional Description

Dope dyed polyester yarn, also known as solution-dyed yarn, is a sustainable and high-performance filament where color pigments are integrated into the polymer melt before extrusion. This process ensures that the color is an inherent part of the fiber's molecular structure, rather than a surface treatment. The result is a yarn with exceptional color uniformity, superior fastness to light and chemicals, and a significantly reduced environmental footprint compared to traditional yarn-dyeing methods. Dope dyed yarns are available in various specifications (DTY, FDY, POY) and a vast palette of colors.

Application Fields

  • Home Textiles: Used in light-stable curtains, fade-resistant sofa fabrics, and durable carpets.

  • Automotive: Applied in interior trims and seat covers requiring extreme UV resistance.

  • Outdoor Equipment: Ideal for tents, awnings, and outdoor furniture fabrics.

  • Workwear & Apparel: Used in corporate uniforms and sportswear requiring permanent color fastness.

Specification Overview

Yarn TypesDTY, FDY, POY, ATY
Common Deniers50D, 75D, 150D, 300D, 450D, 600D
Color RangeBlack, Navy, Red, Green, and Custom Colors
Color FastnessGrade 4.5 - 5.0 (Washing/Light/Rubbing)
LusterSemi-Dull, Bright, Full Dull
GradeGrade AA

Production Process & Customization Service

Our production line utilizes high-precision gravimetric dosers to maintain exact color ratios. Customization includes:

  • Functional Additives: Integration of anti-UV, anti-static, or flame retardant properties at the melt stage.

  • Intermingle Levels: Available as NIM, SIM, or HIM for all color specifications.

  • Twist Combinations: Ability to produce S+Z twisted color yarns for torque-balanced fabrics.

Frequently Asked Questions (FAQ)

About Us
Hangzhou Dingkai Chemical Fibre Co., Ltd.
Hangzhou Dingkai Chemical Fibre Co., Ltd.
Hangzhou Dingkai Chemical Fiber Co., Ltd is established in 2007, located in Hangzhou, Zhejiang Province, in the southeast of China, near the Hangzhou International Airport.
Based on the continuing flourish of business, the company was committed to our own brand and insists on good quality of DTY yarn. We are China Dope Dyed Polyester Yarn Manufacturers and Wholesale Dope Dyed Polyester Yarn OEM/ODM Suppliers. Covering an area of 15,000 square meters, the company has 30 DTY machines.
Mainly exported to over 30 countries such as Vietnam, Cambodia, Myanmar, South Korea, Ukraine, Russia, Morocco, the Philippines, Mexico and etc.Our main yarn products include polyester DTY yarn, polyester Sd yarn, high intermingled yarn, polyester raw material. They all meet the Grade A and Grade AA .
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Color & Dyeing Methods

The "Dope Dyeing" method involves the injection of concentrated color masterbatches into the polyester polymer melt before the fiber is spun. This waterless dyeing technology ensures that the color is evenly distributed across every single filament in the bundle, providing a depth of shade and stability that surface dyeing cannot achieve.

Recommended LINS

300D Dope Dyed Red Polyester Yarn 300D Dope Dyed Grey Polyester Yarn 300D Dope Dyed Yellow Polyester Yarn 300D Dope Dyed Green Polyester Yarn Polyester High Elastic Yarn 450D/192F BLACK S+Z HIM Polyester SD Yarn Polyester DTY Yarn 75D/36F RW NIM Polyester Yarn