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Polyester Raw Material

-- Steady & Reliable Manufacturer --

Introduction

Hangzhou Dingkai Chemical Fibre Co., Ltd. (DK) provides high-standard polyester raw materials for the global fiber industry. Operating from our 15,000 sqm facility in Hangzhou since 2007, we ensure that the foundational materials used in our 30 DTY machines are of the highest purity. We supply these same quality raw materials to international B2B partners in over 30 countries, enabling them to achieve consistent Grade AA results in their own manufacturing processes.

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Detailed Professional Description

Polyester raw material, primarily in the form of high-purity polyester chips (PET chips) and POY (Partially Oriented Yarn), serves as the foundational input for textured and drawn yarns. Our raw material is characterized by consistent intrinsic viscosity (IV) and low moisture content, ensuring stable performance during secondary processing like texturing or spinning. We provide Grade A and Grade AA raw materials, including semi-dull, bright, and dope-dyed variants, to meet the diverse needs of fiber and filament manufacturers.

Application Fields

  • Yarn Texturing: The primary input for producing DTY (Draw Textured Yarn) and ATY (Air Textured Yarn).

  • Plastic Manufacturing: PET chips are used in the production of specialized plastic sheets and moldings.

  • Masterbatch Carrier: Used as a base for producing color masterbatches for the textile industry.

  • Non-Woven Fabrics: Raw material for spun-bond and melt-blown polyester non-wovens.

Specification Overview

Material TypePET Chips / POY
Intrinsic Viscosity (IV)0.64 - 0.68 dL/g (Adjustable)
LusterSemi-Dull, Bright, Full Dull
Melting Point255°C - 260°C
GradeGrade AA / Grade A
Moisture Content≤ 0.5% (Pre-packaging)

Production Process & Customization Service

We maintain strict quality control throughout the polymerization and granulation phases. Customization includes:

  • Viscosity Tuning: We can provide chips with specific IV levels for either textile or industrial filament applications.

  • Additive Integration: Incorporation of UV stabilizers, anti-static agents, or flame retardants at the chip level.

  • Luster Control: Precise control of TiO2 content to achieve specific delustering effects.

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 Polyester Raw Material Manufacturers and Wholesale Polyester Raw Material 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

Our raw materials are available in standard Semi-Dull and Bright formats. For manufacturers producing dope-dyed yarns, we provide raw material PET chips pre-formulated with color pigments (colored chips), ensuring that the color is evenly distributed throughout the subsequent fiber production process.

Recommended LINS

Polyester Raw Material Polyester SD Yarn Polyester DTY Yarn Polyester High Elastic Yarn 450D/192F BLACK S+Z HIM 150D Polyester Yarn 300D Dope Dyed Red Polyester Yarn 1200D Polyester Yarn 75D/36F RW SIM Polyester Yarn