We Add Value to Packaging

We believe in quality packaging because that’s what builds a brand. The outer packaging is equally important to the product which is packed inside of it. We offer PET Bottles and Jars in various sizes and shapes.

Known for its glass like transparency and is 400% lighter than glass, PET has started replacing glass in most of the packaging sectors. Be it Sauces, Liquor, or Special Oils glass has been replaced by PET material because of its transparency and being 100% Food grade as well as Odourless.We have created special bottles from the range of 5ml to 5 Litres catering it to national and international market as well.

PET Bottles Are Ideal For:

• Dairy Products/Edible oil
• Supplements
• Spices
• Liquor
• Pharma
• Juices
• Pesticides
• Sugar syrups
• Beverages
• Many other application

CTC PET PREFORM

EXOFORMS

Product Features

Uniform Wall Thickness and excellent Surface Finish
Low AA Levels, as per prescribed Global Standards
Accurate Thread Finish, for better Closure Fitting
No Split Lines on Preforms for Better Finish on Bottles
World Class QUALITY PREFORMS
Preforms manufactured by us are approved by BERICAP India Pvt. Ltd.
Preforms are specially manufactured for Edible oil grade PET Material.

Produced on

TOSHIBA PET MACHINES

Application

EDIBLE OIL, SYRUPS, etc

Neck Finishes

CTC (29/21 mm)

Weight – 23.5 Grams/15 Grams
Neck Size – 29/21 mm

What is a Preform?

Preform is to form or shape a product to a preliminary shape and size. In easy words for PET Preforms the PET (Polyethylene Terephthalate) material is formed to a shape which is like moulded to a specific shape which is then afterwards blown to a bottle in the blowing machine.

There is one characteristic of PET preform, which is the product that made from it will be clear and transparent. The surface is smooth and sparking, which can attract the buyer´s attention. This makes the PET preform a delicate product. On the other hand, although the PET preform can create a similar sensation just like glass. It’s not fragile as glass. The wall is strong and tough, which appears on the container.

Why Choose Our Preforms?

Preforms play a very vital role in deciding the strength of the PET Bottle. There are various methods to form a Preform and there are many factors which affect it.

We at ExoPackaging are taking account of all the factors which are a big problem in blowing stage later on. All the Preforms are engineered to perfection and no compromise has been done on the quality of the PET Preform.

Preforms revolutionize PET manufacturing process and bring considerable benefit in cost, impact to the environment and operational efficiency and flexibility. ExoPackaging is a leading designer and manufacturer for renowned brands of India and abroad. We have expertise of creating preforms and blowing to make it a finished product. Since we are also manufacturer of outstanding quality bottles, it is possible for us to offer technical collaboration and consultancy. It can be done on a contractual basis or one-time hiring basis.

PET or PolyEthylene Terephthalate is a great material for producing pure, healthy and food grade containers. Sparkling bottles with almost glass like finish can be produced using it. It complies with most of the food materials and do not affect the physical appearance, taste or odor. It is unbreakable, tough and incredibly convenient for production and storage. Due to high sustaining capability, it is ideal for storing carbonated products. It has quite low permeability to gases and humidity increasing shelf-life of products. Due to high-chemical resistance it is a good package material for harsh chemicals and acid. Lightweight, high-strength and leak-proof PET bottles and containers offer an ideal substitute for glass. It is possible to mold containers of any shape, design, and color and neck size. High recyclability and reusability ensure less environmental impact. It gets decomposed into carbon-dioxide and water and no chemical residuals are produced.

Two ways of manufacturing preforms are popular:

1. One-step method: In this method, the entire process is done in a single integrated machine. Injection molded preform is taken out from the cavity when it is still hot. Since preforms are immediately taken for blowing, there is no risk of surface damage during transportation and storage.  Also, there is a significant cost-saving because no re-heating is required. The overall process efficiency achieves less harm to the environment. Especially, for small and medium production lines it is an ideal method. Temperature remains constantly high in this process keeping the material is in an elastic form. Though, high energy consumption is needed to keep it high, there is a significant saving because material has to be heated only once.

2. Two-step method: This process involves two stages, injection stretch blow molding and reheat blow molding. First the preforms are manufactured using injection blowing method. They are stored for later use or sent to packing division for dispatch. Reheat blow molding machines take the preforms and blow the bottles of desired shape. Of course, this method is less efficient as compared to other. Nevertheless, there are advantages of it. Firstly, it helps in planning the operations better. Secondly, this method ensures excellent neck finish and economical use of resins. This method is not energy efficient, but there is significant cost saving because of automation of the process.  Medium and large production houses prefer this method because it eliminates the need of manual supervision.

PET preforms are manufactured through the process of molding. Molds of appropriate size and shape are selected and fused PET is injected into it. Blowing process is used to give it the shape of a preform which can be later blown further to make desired shape of containers for beverages, detergents, oil, and thousands of other products. The finish or bottleneck which is the base for manufacturing preform doesn’t change when it is blown in the shape of a bottle. Hence, the thread type and diameters of the ‘finish’ are checked carefully by quality control department of ExoPackaging.

Tubular structures of molds decide the gauge and weight of bottles. Diameter, shape and length are decided according to the consignment specifications. Preforms are transparent in the basic form, but coloring agents can be added to produce different shades of bottles as per order. We take care of highest standards of quality to store and transport preforms.

Drying Process

PET has moisture absorption quality that is not good from the point of view of transparency and finishing of the product. As per industry standards, permissible water percentage should not go beyond 0.005%. Hence, excess water content has to be dehumidified and dried before molding. Two methods are used for drying process:

1. Oven drying: Oven drying is not very popular today. There is no direct connection between injection chamber and oven. Dried PET has to be shifted manually from oven to subsequent processes.

2. Hopper drying: Due to autoloader, it is automated and continuous process with high efficiency.

3. Dehumidifier drying: Dehumidifier is the most efficient among all methods. The temperature of -32 degree Celsius is maintained in it causing a significant increase in durability and finishing of preforms.

PET Preform Injection Molding Process

Injection molding process is one of the popular processes for manufacturing bulk quantities of preforms. It consists of three major steps:

1. Drying: Hopper drying is the most commonly used method of removing humidity from PET. Hopper dryers have autoloaders where PET is conveyed continuously for an even drying. Dehumidifier method uses a closed loop system and brings excellent surface finish and physical properties. It uses a closed loop system to achieve drying of PET in an unvarying way.

2. Melting: When the screw is pushed forward, injection cavity gets filled up completely with molten plastic. There is a temperature difference of around 8 to 10 degree celsius at the front and rear end of injection molding machine. They are typically 270 to 275 degrees and 280 to 285 degrees respectively. Temperature may vary based on the design of the mold and other technical specifications. Molten PET gets entered through the cavities and cooled slowly to solidify it.

3. Cooling and molding: Temperature is maintained in such a way that PET gets solidify in a consistent manner. Cooling water is used to bring down the temperature of the mold. Since the temperature is quite low (around 15 to 20 degree Celsius), internal pressure has to be maintained properly to avoid breakage or deformities. A water chiller is used for cooling preforms under controlled pressure of 5Bar. An automated gripper takes out cooled preforms and deposit to conveyer belts. Preforms get ejected from the mold and send to either packaging or re-heating if they have to be sent for blowing process immediately.

We have state of the art infrastructure and highly qualified technical staff for designing and manufacturing Blow Moulds. Our Blow Moulds are all custom made and we start manufacturing of the moulds after the design approval from the customer’s end .

The 3D design will be created and a photo will be sent for approval for the manufacturing of Blow Mould. We manufacture Blow Moulds for various sizes of bottles and each Blow Mould is different so the cost may vary from one Blow Mould to another.

End Use Applications of PET Blow Moulded Products

• Cosmetic bottles
• Shampoo bottles
• Mineral water bottles
• Oil bottles
• Feeding bottles
• Containers for pain balms and linaments
• Pharmaceutical bottles
• Tablet containers
• Mouth wash bottles

Custom-design blow mould process at ExoPackaging

ExoPackaging fabricates custom moulds based requirement specifications or sample moulds provided by the client. We assist them in the entire process of manufacturing. Right from prototyping to mould development and providing samples to commercial production, we follow stringent quality norms and a zero-defect policy.

We offer a wide range of moulds for various industries. Due to high-standard manufacturing process and modern technology we are a preferred name for different shapes and dimensions of custom blow moulds. Fast results and superior products stand out us distinctly among competitors.

ExoPackaging offers paramount quality custom design moulds at reasonable price. Our quality conscious team looks at every aspect of manufacturing with utmost precision. Each order goes through a five-stage process to produce every single item as per requirement specification.

1. Requirement collection: Success of the final product largely depends on the accuracy of requirement collection. We ask for the sample product or detailed specifications from the client. If required, then we have multiple rounds of discussion to crystal down precise details.

2. First-cut design: Our engineers develop design based on the specs. It is sent to the client for approval. Minor changes are made based on corrections/alterations suggested.

3. Machining of moulds: We work on machining of moulds once the design is approved by client. Utmost care and precision are needed while doing the task because success of the final product completely depends on the correctness of it.

4. Sample production and quality check: In this step, we produce a few samples and send for quality testing. We use industry standard quality checks to ensure 100% error free production.

5. Commercial production and dispatch: After approval of sample products, commercial production starts. We store final products in specialized storage areas and dispatch after packaging. We also offer labels with mock images to give a fair idea about the product.

What is PET Blow Moulding?

Blow molding is essentially a process of manufacturing items of desired shapes by blowing preforms or thermoplastic material in a closed mold. It is one of the popular processing techniques after extrusion molding and injection molding. Bulk production is the biggest advantage of this process that makes it economically feasible. PVC, Polypropylene or polyethene can be used to produce high precision items with almost negligible need of finishing operations.

Blow molding introduced in 1930 when Cellulose Acetate was used for producing items using this innovative technique. Plastic Industry didn’t look back after 1940 when Low Density Polyethylene (LDPE) introduced. It was the most suitable item for blow molding causing a rapid increase in production. Later High Density Polyethylene (HDPE) and Polypropylene (PP) also added fuel to the fire. After 1942, industry saw a rapid increase in the production of polyethylene bottles using blow molding method.

Types of blow molding

1. Extrusion Blow Molding:  This is the simplest form among three.  Melted plastic material flows through a hot nozzle. The tip of the nozzle is captured in a cooled mold. Air is blown through the nozzle which blows the melted plastic like a balloon. As soon as the balloon touches the walls, it freezes in the shape of the mold. This method can produce bulk quantities in relatively low rates.  However, limitations like high scrape percentage and limited control on the thickness of walls, and need of finishing make it less popular method.

2. Injection Blow Molding: It is a popular method for manufacturing a variety of wide opening containers or highly stylized shapes. Container quality is fairly good because of even material distribution and there is hardly any need of trimming or finishing. Screw extruders inject melted plastic material is in the cavity of the mold. It gets converted in the form of a test tube with screw threads on the top. It is called a preform which is again conveyed to injection blowing molds. Air is blown to make it in the form of desired shape.

3. Stretch Blow Molding: This method manufactures PET bottles for storing juices, oils, water, carbonated beverages, and many other products.  This method stretches the preforms in the axial and hoop directions evenly. It brings incredible benefits like drop impact, barrier properties, and tensile strength. Single-stage or two-stage molding techniques are used in this method.

Understanding Blow molding machineries

Blow molding machines are quite versatile and multifunctional. They can produce bottles or preforms of various shapes and sizes. From a narrow neck container to wide neck container and from the capacity of 5 ml to 20000 ml can be produces using a single machine. Reliability and robustness make them popular across the globe.

Since PET bottles are widely used for storing liquids of a large variety, the machines have been designed to produce bulk quantities. These machines are known by various names like Blow molding machine, PET bottle blowers, stretch blowing machines, etc. A typical machine has preform feeding system and a unique bi-oriented technology for blowing air. It is important that blowing process applies uniform pressure to shape flawless bottles. Two types of machines predominantly available today:

1. Automatic: It is a high-speed, state-of-the-art machine suitable for bulk production of jars and bottles. Because of minimum manual intervention and high levels of precision, it is one of the most popular machines today. It is especially suitable where stringent quality requirements have to be met during production.  Due to high efficiency and incredible spred it saves cost considerably. One-stage automatic and Two-stage automatic machines are available for industries. Steady operations, stable performance, and easy operations are paramount qualities that standout these machines distinctively.

2. Semi-automatic: It is a simple and easy to maintain the machine with low capacity and manual intervention.  However, it does not require high technical skills for operations. People with moderate technical knowhow can handle it easily. It is power efficient, but low productivity machine suitable for small scale industries.

ExoPackaging uses stringent quality standard and precision for producing custom blow molds for a wide variety of products. With minimum rejections and keen perfection our products get worldwide acclaim.

Description / Specification of P. E. T. Blow Molds

We are involved in offering a wide range of P. E. T. Blow Molds to our most valued clients. Our range of these are widely appreciated by our clients which are situated all round the nation. We offer our range of it at most affordable prices.

We introduce ourselves as an eminent trader and supplier of an extensive array of  P. E. T. Blow Molds. Prior to dispatch, our quality controllers run numerous tests on the entire range on various parameters of quality and durability. The offered equipment is manufactured using superior quality components with the aid of sophisticated techniques at the vendors' end. Moreover, our precious clients can purchase it in different technical specifications at reasonable price from us within promised time frame.
Features:

Sturdy design
Highly durable
Application specific design