Polyethylene Terephthalate (PET)

  • Abbreviation: PET Chips
  • Other Name: PET Resin, Polyester Chips
  • Appearance: White granules
  • Main Grade: Bottle Grade & Textile Grade
  • CAS No.: 25038-59-9
  • HS Code: 390769
  • MF: H(OCH2CH2OCOC6H4CO)nOCH2CH2OH
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What Is Polyethylene Terephthalate?

Polyethylene Terephthalate (PET), also known as polyester chips or PET resin, is a thermoplastic polyester produced through either the transesterification of dimethyl terephthalate with ethylene glycol or the esterification of terephthalic acid with ethylene glycol, followed by polycondensation.

PET resin typically appears as a milky-white or light-yellow solid with a smooth, glossy surface. It offers good mechanical strength, dimensional stability, and wear resistance across a broad temperature range. Depending on the grade and application, it can provide heat resistance suitable for operating temperatures of up to approximately 120°C. In addition, this material features good electrical insulation, creep resistance, fatigue resistance, and hardness.

Leading PET Resin Manufacturers in China

Currently, we supply PET resin from several well-known manufacturers, including JADE, Wankai, Yisheng, Tunhe, Sinopec Yizheng, HENGLI, China Resources. To help you compare the available options, we provide detailed information on their grades, technical specifications, and typical applications below.

Jiangsu Sanfangxiang Group has an established presence in the polyester industry. Its JADE-branded PET chips are used in bottle packaging and other polyester-related applications. The representative grades include CZ-302, CZ-318.

Bottle Grade

Intrinsic Viscosity (IV, dL/g)

Product Uses

CZ-302

0.800 ± 0.015

Drinking water bottles, beverage bottles, and general packaging containers

CZ-302A

0.800 ± 0.015

Clear beverage bottles and food packaging containers

CZ-302L

0.780 ± 0.015

High-volume bottle production and lightweight packaging

CZ-318

0.830 ± 0.015

Edible oil bottles, cosmetic containers, and pharmaceutical bottles

CZ-328

0.860 ± 0.015

Carbonated soft drink bottles and large-capacity containers

CZ-328A

0.855 ± 0.015

Carbonated beverage bottles and other pressure-resistant containers

CZ-328H

0.875 ± 0.015

Large-capacity beverage bottles and containers requiring enhanced strength

CZ-333

0.800 ± 0.015

Hot-fill juice bottles, tea bottles, and heat-treated beverage packaging

Wankai New Materials is a major Chinese producer of bottle-grade PET resin. Its products are widely used in drinking water bottles, beverage containers, edible oil bottles, and other packaging applications.

Product Type

Intrinsic Viscosity (dL/g)

Recommended Applications

WK-801

0.80± 0.015

Water bottles, snack bottles, cosmetics bottles, etc.

WK-801L

0.77± 0.015

WK-811

0.79± 0.015

Tea bottles, flavouring bottles, etc.

WK-811L

0.76± 0.015

WK-821

0.83± 0.015

Edible Oil bottles, medical bottles, etc.

WK-851

0.88± 0.015

Sparkling beverage and CSD bottles

WK-881

0.87± 0.015

WK-901

0.87± 0.015

Big size bottles

WK-781

0.78± 0.015

Transparent containers

Yisheng Petrochemical is one of China’s major polyester raw material producers. Its product portfolio includes PET chips, with bottle-grade products primarily used in beverage and food packaging.

Bottle Grade

Intrinsic Viscosity (IV, dL/g)

Key Product Features

YS-W01

0.800 ± 0.015

Designed for water bottle production, with controlled viscosity and good transparency

YS-H01

0.780 ± 0.015

Suitable for hot-fill packaging applications

YS-Y01

0.830 ± 0.015

Higher intrinsic viscosity for packaging applications requiring suitable mechanical strength

YS-C01

0.875 ± 0.015

High intrinsic viscosity for carbonated beverage packaging

YS-C02

0.870 ± 0.015

Designed for fast-reheat processing requirements

Sinopec Yizheng Chemical Fibre is a major Chinese polyester producer. Its product portfolio covers bottle-grade, fiber-grade, and film-grade polyester chips for beverage packaging, textile fibers, and polyester film manufacturing. And the representative grades are BG80, BG801, BG802, BG85.

Grades

Main Uses

BG80

Purified water bottles, mineral water bottles, etc.

BG801

Beverage bottles for hot filling and aseptic filling of juice and tea drinks.

BG802

Be applicable to produce edible oil bottles or sheet materials.

BG85

Carbonated beverage bottles

BG85H

Carbonated beverage bottles that adopting two-step blow molding production technology.

SH701

Sheet materials of 0.8-1.2mm thickness.

EP901

Packing tapes, strapping and packing belts.

FG702

High transparency PET planking or sheet materials, PETG in composite GAG sheet materials, spinning of low melting filaments, etc.

FG703

High shrinkage label film, etc.

BG811

Beverage bottles for hot filling and aseptic filling of juice and tea drinks.

BG810

Potable water bottles or aseptic filling beverage bottles.

Tunhe PET resin is a bottle-grade polyester material produced by Xinjiang Blue Ridge Tunhe Polyester Co., Ltd. Its product range includes several grades designed for different packaging applications, such as drinking water bottles, edible oil containers, carbonated beverage bottles, and hot-fill beverage bottles.

Grade

Intrinsic Viscosity (IV, dL/g)

Applications

TH102

0.800 ± 0.015

Water bottles

TH102C

0.840 ± 0.015

Edible oil and beverage bottles

TH104

0.870 ± 0.015

Carbonated soft drink (CSD) bottles

TH105

0.750 ± 0.015

Hot-fill bottles

Hengli Petrochemical is a major Chinese petrochemical and polyester producer. Its PET product range includes fiber-grade, bottle-grade, and film-grade polyester chips, with different grades designed to meet various processing and end-use requirements.

Grade Type

Intrinsic Viscosity (IV, dL/g)

Main Applications

Semi-Dull PET Chips

0.680 ± 0.010

Polyester staple fiber and filament production

Super Bright PET Chips

0.678 ± 0.010

Polyester fiber and filament production

High-Tenacity Regular-Shrinkage Yarn Grade

0.678

Industrial polyester yarn

High-Tenacity Low-Shrinkage Yarn Grade

0.97

Industrial polyester yarn

High-Modulus Low-Shrinkage Yarn Grade

1.10

Industrial polyester yarn

CR PET resin is a polyester material produced by China Resources Chemical Materials Technology Co., Ltd. in China. Its product range includes bottle-grade PET resin for various packaging applications, such as drinking water bottles, edible oil containers, carbonated beverage bottles, and hot-fill beverage bottles.

Grade

Intrinsic Viscosity (IV, dL/g) I/V (dl/g)

Applications

CR-8816

0.806

packing bottles, like pure water, natural mineral water, distilled water, drinking water.

CR-8863

0.812

small-package edible oil bottles, liquor bottles, medicine bottles, cosmetics bottles, PET sheets.

CR-8828

0.850±0.02

carbonated drinks bottles and 3-gallon, 5-gallon big bottles.

CR-8828F

0.850±0.02

carbonated beverages bottles

CR-8839

0.800±0.02

hot-filling bottles, like tea drinks, fruit-juice drinks and other medium type drinks.

CR-8839T

0.800±0.02

cosmetic packaging, sheet and other applications

CR-5083

0.780±0.02

CR-5511

0.780±0.02

CR-5531

0.680±0.02

PET Water Bottles

What Are the Main Types of PET Chips?

PET chips can be classified into three main types according to their applications: bottle-grade PET resin, fiber-grade PET resin, and film-grade polyester chips. In general, these grades differ mainly in their processing properties and technical specifications. Therefore, each type is suitable for specific manufacturing processes and end-use requirements.

Bottle grade PET resin chips are white granular, non-toxic and odorless, glass-like transparency and luster in appearance. Its relative density is generally between 1.30-1.38g/cm³. Compared with some other common packaging materials, its density is moderate and its weight is light, which not only facilitates the transportation of products, but also reduces transportation costs to a certain extent. It has a high melting point, usually between 250℃-265℃. This feature makes bottle-grade polyethylene terephthalate resin perform well in some application scenarios that need to withstand a certain temperature, such as the packaging of hot-filled beverages.

In addition, the transparency of bottle grade PET chips is extremely high, with a transmittance of about 90%. The high transparency makes the products in the package clearly visible. Whether it is beverages, food or cosmetics, consumers can intuitively see the status and color of the products, which has a positive effect on product sales. According to different uses, bottle-grade polyester chips can be divided into the following categories: ​

  • Water bottle-grade polyester chips are mainly used to produce drinking water bottles, mineral water bottles, etc. It is characterized by good transparency and hygienic safety, which can ensure that the packaged water is not contaminated and clearly show the purity of the water. Generally speaking, the viscosity of water bottle-grade PET resin is around 0.80. This viscosity range makes it easier to form bottles during blow molding and has good strength and toughness. ​
  • Carbonated bottle-grade pet chips are specially designed for carbonated beverage packaging. Since carbonated beverages contain high-pressure carbon dioxide gas, higher requirements are placed on the barrier properties and strength of packaging materials. Carbonated bottle-grade PET resin has better gas barrier properties, which can effectively prevent the leakage of carbon dioxide and maintain the bubbles and taste of the beverage. Its viscosity is relatively high, generally around 0.87, to meet the strength requirements of bottles under high-pressure environments and prevent bottles from breaking or deforming during filling and storage. ​
  • Hot-filled bottle-grade polyethylene terephthalate chips are suitable for the packaging of hot-filled beverages, such as tea, coffee, etc. These beverages are filled at a high temperature, usually between 80-95℃. Hot-fill bottle-grade PET resin needs to have good heat resistance and be able to keep the shape of the bottle stable and not deformed during high-temperature filling. At the same time, pet resin bottle grade also needs to have certain barrier properties to prevent the beverage from being affected by gases such as oxygen during storage and deteriorating. Its viscosity is generally around 0.78. Through appropriate molecular structure design and processing technology, it can meet the special requirements of hot filling. ​
  • Oil bottle-grade polyester chips are mainly used for packaging of edible oils, condiments, etc. Oil bottle-grade PET resin needs to have good oil resistance and barrier properties to prevent the penetration and oxidation of oily substances. Its viscosity is generally around 0.83. The higher viscosity makes the bottle have better strength, can withstand the weight of oil products, and maintain the integrity of the packaging during long-term storage. In addition, oil bottle-grade PET resin also needs to have good transparency so that consumers can clearly see the quality and balance of the oil in the bottle.
ItemWater Bottle GradeOil Bottle GradeCarbonated BottleHot-Filled Bottle
Intrinsic Viscosity, dL/g0.800±0.0150.830±0.0150.875±0.0150.780±0.015
Acetaldehyde, ppm ≤1.01.01.01.0
ColorB value ≤1.01.01.01.0
L value ≥84848080
Diglycol, %1.30±0.21.3±0.21.3±0.21.3±0.2
Terminal Carboxyl, mol/t ≤35353535
Density, g/cm31.40±0.011.40±0.011.40±0.011.40±0.01
Melting point, ℃243±2243±2243±2249±2
Moisture, % ≤0.20.20.40.4
Ash, % ≤0.080.080.080.08

Fiber-grade PET chips are polymers with an amorphous structure. When the PET resin is heated to a certain temperature, its amorphous structure can be transformed into a crystal structure with a certain degree of crystallinity. The density is 1.33-1.38g/cm3. This product has heat resistance, good light resistance and acid resistance. It is not easy to react when it is in contact with oxidizing agents and reducing agents. However, it has poor alkali resistance, low hygroscopicity and poor electrical conductivity. 

According to the content of matting agent tio2, the textile or fiber grade polyester chips can be divided into: super bright (high gloss), glossy, semi-dull, (full) matte PET chips. In addition, there are cationic polyester chips. Fiber-grade polyester chips are suitable for spinning all kinds of polyester staple fibers and filaments, making various clothing fabrics, cords and woven paper filter nets, etc.

Luster

Intrinsic Viscosity (dl/g)

Color L Value

Color B Value

Melting Point ℃

DEG %

Tio2 Content %

Super Bright(SB)

0.640 ± 0.020

53.0 ± 3.0

1.5 ± 1.5

251.0 ± 2.0

1.45 ± 0.2

——

Semi Dull (SD)

0.640 ± 0.010

75.0 ± 2.0

1.3 ± 1.0

257.0 ± 2.0

1.36 ± 0.10

0.33 ± 0.05

Cationic Dyeable(CD)

0.520 ± 0.020

64.0 ± 3.0

2.8 ± 2.0

242.0 ± 3.0

3.50 ± 0.50

0.10 ± 0.05

Flame Retardant(FR)

0.690 ± 0.020

62.5 ± 4

4.2 ± 3.0

238.5 ± 3.0

3.30 ± 0.70

0.60 ± 0.10

In general, high quality PET resin (silica and titania free) can be used to make PET films. Film grade polyester chips are usually available in super bright and additive (silica) varieties. It is characterized by excellent transparency, and because the gauge of the film is so thin that even the slightest raw material error can have a negative effect on the film quality. Its main applications are printing and lamination, metallization, embossing, holograms, thermal lamination.

1. Packaging industry

  • Food and beverage packaging. In the food and beverage industry, PET polyethylene terephthalate is the preferred material for making beverage bottles, including water, soft drinks and juice bottles. PET bottles are lightweight, transparent, shatterproof, and well sealed. They can effectively protect the contents and reduce the weight of the package, meeting the requirements of environmental protection and sustainable development. According to statistics, PET bottles have occupied more than 70% of the market share in this field.
  • Polyester film. Polyethylene terephthalate resin can also be made into polyester film for packaging materials, films, and tapes. Polyester film has excellent transparency, water resistance, oil resistance, and chemical stability, and can effectively protect the packaged items.

2. Fiber manufacturing. Polyester chips are the key raw materials for the manufacture of polyester staple fibers and polyester filaments. Polyester fibers have the advantages of high strength, good elasticity, and strong wear resistance, and are widely used in clothing, home textiles, industrial fabrics, and other fields.

3. Electronic and electrical appliances. PET chips are also widely used in the field of electronic and electrical appliances, such as capacitor films, motor insulation materials, etc. Its excellent electrical insulation and high temperature resistance make it an indispensable material in the electronic and electrical industry.

4. Construction and Automobile. This resin can be used in the construction field to make sound insulation materials, heat insulation materials, etc. In the automotive field, they can be used to make interior decoration parts, body shells and other parts to improve the comfort and safety of the car.

5. Medical and health care. The PET resin material can also be used in the manufacture of medical devices, such as infusion sets, syringes, etc. Its non-toxicity and strong corrosion resistance ensure the safety and durability of medical devices.

  • Stable viscosity. Its stable viscosity is conducive to its stability during processing and ensures product quality.
  • Moderate melting point. The melting point of PET chips is usually between 250 and 265°C, which allows it to maintain good performance in a variety of processing methods.
  • Good thermal stability. It can remain stable at high temperatures and is not easy to decompose, making it suitable for processing scenarios that require high-temperature treatment.
  • Chemical corrosion resistance. Polyethylene terephthalate resin has good resistance to a variety of chemicals, is not easily corroded, and can maintain its original physical and chemical properties.
  • Excellent electrical insulation. Under high temperature and high frequency, the electrical properties of PET resin are still good, which makes it widely used in the field of electronic appliances.
  • High strength and good elasticity. The finished product has high strength and excellent elasticity, which can meet various complex application scenarios.
  • Good heat and wear resistance. It can still maintain good performance under high temperature and wear environment, extending the service life of the product.
  • Soft gloss and good dyeability. PET finished products have a soft gloss and good dyeability, which can meet the needs of different colors and appearances.
  • Good drapability. PET textile products have excellent drape, making the products more beautiful and elegant.
  • Various molding processes. The molding process can be carried out by injection molding, extrusion, blow molding, coating, bonding, machining and other methods to meet the needs of different fields.
  • Green and environmentally friendly. PET polyester chips have good recyclability. The recycled PET polyester chips can be processed and reused to make new products. This recycling method helps to reduce resource waste and environmental pollution.

PET resin, or polyethylene terephthalate resin, is a polymer compound made through the polymerization of terephthalic acid (PTA) and ethylene glycol (EG). Chemically, it is a linear polyester with a highly symmetrical molecular structure and a certain degree of crystal orientation. In industrial production, PET resin initially exists in granular or powdered form, which serves as the raw material for subsequent processing into various plastic products.

PET plastic, on the other hand, is primarily made from PET resin. Various additives (such as plasticizers, stabilizers, and masterbatches) are added, and the product is manufactured through specific molding processes (such as injection molding, extrusion, and blow molding) to create plastic products with specific shapes and properties. Simply put, PET resin is the “raw material,” while PET plastic is the “finished product” after processing. For example, the common PET plastic bottle is primarily made from polyethylene terephthalate resin. Through blow molding, necessary additives are added, and the resulting product becomes the beverage bottle we use in our daily lives.

Why Choose Fengbai

  • A leading polyethylene terephthalate (PET) supplier & exporter in China, fengbai has more than 15 years of export experience in plastic polymers industry.
  • Ensure sufficient supply and fast delivery.
  • Free samples for testing and various packages to meet customers’ requirements.
  • Good cooperation with many cargo agents and shipping companies.
  • ISO quality, good services and competitive PET resin price.

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