Stretch Film – The Complete Guide to Stretch Film Packaging

In the world of logistics, transport, and warehousing, stretch film represents an irreplaceable packaging material that enables the secure protection of goods, load stabilization, and the efficient packaging of products of all types and dimensions. Whether it is about palletizing industrial products, protecting goods during transport, or preserving the freshness of groceries in household use – stretch film is a practical, economical, and versatile solution.

For all your stretch film packaging needs, Korać R d.o.o. offers premium quality, a wide assortment, and highly competitive prices across the entire European Union market.

What is stretch film?

Stretch film, also known as cling film or self-adhesive packaging film, is a thin, highly elastic plastic film used for wrapping and securing products. Thanks to its exceptional stretchability and self-clinging ability, stretch film keeps items tightly bound without the need for any additional adhesive.

Basic characteristics of stretch film:

• High stretchability – it can be stretched from 100% up to an impressive 450% (depending on the type).
• Self-clinging – the film naturally adheres to the previous layer without additional glue.
• Transparency – allows for clear visual identification of the products.
• Tear resistance – incredibly strong and durable despite its thin structure.
• Water resistance – effectively protects goods from moisture and dust.
• Cost-effectiveness – a large meterage per roll allows for the packaging of a vast number of products.

The History of Stretch Film

Stretch film is a relatively modern invention that appeared in the mid-20th century, but its major breakthrough occurred during the 1970s when materials capable of extreme stretching were successfully developed.

The Evolution of stretch film:

• The Beginning (1960-1972) – Two types of films were primarily produced: from LDPE (low-density polyethylene) and PVC (polyvinyl chloride).
• PVC film – was more stretchable but lacked sufficient durability and frequently tore.
• The Turning Point – Manufacturers quickly realized that durability was far more important than sheer stretchability.
• Late 1970s – Modern stretch films made from linear low-density polyethylene (LLDPE) were developed, perfectly combining stretchability and strength.
• Today – Technology has advanced to a level where we now have biodegradable, recyclable, and highly eco-friendly options available.

Types of Stretch Film by Production Method

According to the manufacturing process, stretch films are divided into two fundamental types:

1. Cast Stretch Film

Cast stretch film is produced through an extrusion process, where melted polymer is poured over chilled rollers to create a very thin film.

Advantages of cast stretch film:

• More transparent – allows for crystal-clear visibility of the products.
• Quieter – it is significantly less noisy during the unwinding process.
• Uniform thickness – provides a higher-quality overall finish.
• More economical – it is generally cheaper than blown film.
• Easier to apply – the smooth surface allows for much easier handling.

Application: Most commonly used for wrapping pallets in warehouses, distribution centers, and various industrial plants.

2. Blown Stretch Film

Blown stretch film is produced using the blown extrusion method, where melted polymer is blown out through a circular die and cooled by air to form a cylinder of film.

Advantages of blown stretch film:

• Higher puncture resistance – noticeably tougher and more durable.
• Stronger membrane memory – holds heavier goods much more securely.
• High elasticity – absolutely excellent for exceptionally heavy loads.
• Resistance to temperature changes – performs significantly better in extreme environmental conditions.

Disadvantages:

• Less transparent.
• Noisier during unwinding.
• Generally more expensive.

Application: Exclusively used for packing heavy and irregularly shaped loads where maximum additional strength and security are required.

Types of Stretch Film by Purpose

Depending on the method of application and intended purpose, stretch films are divided into several main categories:

1. Manual (Hand) Stretch Film

Manual stretch film is specifically designed for the manual wrapping of pallets, packages, and other products. It most commonly comes in rolls weighing 5 kg and is absolutely ideal for companies with a smaller production volume or for household needs.

Characteristics:

• Stretchability: 10% to 200%
• Width: 430-500 mm
• Thickness: 11-30 microns (µm)
• Roll weight: 5 kg (standard)

Application:

• Packaging smaller quantities of products.
• Stabilizing palletized cargo.
• Protection against dust and moisture.
• Packaging products in retail stores, bakeries, and restaurants.
• Household use – preserving the absolute freshness of groceries.

Advantages:

• Very simple to use.
• Does not require heavy machinery or specialized equipment.
• Highly economical for small-scale operations.
• Mobile – can be easily used anywhere.

2. Machine Stretch Film

Machine stretch film is utilized for automatic or semi-automatic packaging using pallet-wrapping machines. It typically comes in much heavier rolls weighing 10-15 kg and is specifically intended for large industrial plants.

Characteristics:

• Stretchability: 20% to 450%
• Width: 125-500 mm
• Thickness: 4.5-30 microns (µm)
• Roll weight: 10-15 kg (standard)

Application:

• Automated packaging in massive warehouses.
• Large-scale distribution centers.
• Factories and industrial manufacturing plants.
• European logistics centers and storage facilities.

Advantages:

• Twice as stretchable as manual film.
• Highly efficient – provides faster and much tighter wrapping.
• Material savings – uses significantly less film for a larger number of pallets.
• Consistency – guarantees uniform packaging every time.
• Safer – ensures far more secure load fixation.

3. Black Stretch Film

Black (opaque) stretch film is used to protect the contents from prying eyes and ensures complete discretion during transport.

Application:

• Packaging highly valuable or sensitive products.
• Protecting products from direct sunlight (UV protection).
• Packaging items where strict privacy is required.
• Providing an extra layer of security during European transit.

Advantages:

• Completely conceals the contents of the package.
• Excellent UV protection.
• The exact same strength as standard transparent film.
• Adds significant security value.

4. Pre-stretched Film

Pre-stretched stretch film is already stretched during the manufacturing process and arrives completely ready for use, drastically reducing the physical effort required during packaging.

Characteristics:

• Significantly less physical force needed for application.
• Thinner but equally as strong.
• Results in reduced material waste.
• Much easier unwinding process.

Application:

• Manual packaging where high speed is required.
• Reducing the physical strain on warehouse workers.
• Applications where the overall roll weight is an important factor.

5. Specialty Stretch Films

• UV Stretch Film – equipped with advanced protection against harmful sun rays.
• Macro-perforated Stretch Film – features breathing holes for excellent ventilation (ideal for fruit and vegetables).
• Reinforced Stretch Film – fortified with glass fibers for handling extra-heavy cargo.
• Ventilated Stretch Film – designed for packaging products that require continuous airflow.

Application of Stretch Film in Various Industries

Stretch film is a profoundly versatile packaging material utilized across almost all major industrial sectors:

Food Industry

• Packaging groceries directly on pallets.
• Strict protection against potential contamination.
• Prolonging and preserving the freshness of products.
• High resistance to low temperatures (ideal for cold storage).

Logistics and Transport

• Palletizing all types of freight.
• Stabilizing products safely during long-haul transport.
• Protection from dust, moisture, and transit damage.
• Consolidating multiple smaller packages into one secure unit.

Construction Industry

• Wrapping heavy construction materials.
• Protecting valuable on-site equipment.
• Covering exposed materials on active construction sites.

Pharmaceutical Industry

• Secure packaging of medicines and medical devices.
• Essential protection against moisture and airborne dust.
• Providing perfectly clean and safe external packaging.

Paper and Printing Industry

• Packaging bulk paper, books, and magazines.
• Safeguarding sensitive printed materials.
• Stabilizing massive rolls of paper.

Automotive Industry

• Wrapping auto parts securely.
• Protecting car bodies and delicate components during transit.
• Fixing heavy loads firmly onto pallets.

Ceramics and Glass Industry

• Crucial protection for highly fragile products.
• Secure packaging of delicate glass and ceramics.
• Consolidating items into highly secure transport packages.

Agricultural Industry

• Wrapping various agricultural products.
• Protecting seeds, fertilizers, and animal feed.
• Utilizing ventilated film for fresh, breathable goods.

Retail and E-commerce

• Packaging diverse products for rapid online sales.
• Protecting goods during fast-paced courier deliveries.
• Enhancing brand identity with custom-printed stretch film.

The Key Benefits of Using Stretch Film

Stretch film offers numerous, undeniable advantages compared to other traditional packaging methods:

1. Ultimate Security and Load Stabilization

• Holds products together with incredible firmness.
• Completely prevents shifting during transit.
• Drastically reduces the risk of damage and breakage.
• Fixes the goods securely to the pallet.

2. Protection from External Influences

• Dust protection – hermetically seals the packages.
• Moisture protection – completely waterproof barrier.
• Contamination protection – maintains the strict hygiene of products.
• UV protection (available via specialty films).

3. Maximum Cost-Effectiveness

• High stretchability = using less film per pallet.
• A single roll wraps an exceptionally large number of products.
• Significantly lowers overall packaging costs.
• Fully recyclable – a highly eco-friendly option.

4. Practicality and Simplicity

• Incredibly easy to use – requires absolutely no additional tools.
• Simple and safe to cut.
• Requires no special training for manual application.
• Very light to carry and easy to store.

5. Transparency and Visibility

• Allows quick product identification without opening the package.
• Greatly facilitates quality control processes.
• Permits fast barcode scanning without the need to unwrap.

6. Branding and Marketing

• The brilliant option of printing your company logo.
• Custom branding of your packages.
• Excellent promotional use.
• Delivers a highly professional appearance.

Technical Characteristics of Stretch Film

When selecting a stretch film, it is vital to understand the precise technical characteristics that determine its quality and proper application:

1. Stretch Film Thickness (Microns – µm)

Thickness is measured in microns (µm) and ranges from 7 to 30 microns for commercial and industrial use.

• 7-11 µm – Ultra-thin film for very light goods.
• 12-17 µm – Standard thickness for general, everyday use.
• 20-23 µm – Stronger film engineered for heavier loads.
• 25-30 µm – Extra-strong film strictly for the heaviest industrial applications.

2. Stretchability of the Film (Elongation)

Stretchability, or elongation, indicates exactly how much the film can be stretched before it finally breaks.

• Manual film: 10% – 200%
• Machine film: 20% – 450%
• Example: A film with a stretchability of 160% means that 1 meter of film can be safely stretched up to 2.6 meters.

The importance of stretchability:

• Greater stretchability = significantly lower film consumption.
• Directly and positively impacts cost-effectiveness.
• Determines exactly how many pallets can be wrapped with just a single roll.

3. Puncture Resistance of Stretch Film

Puncture resistance (the breaking point) indicates exactly how much intense pressure or impact the film can endure before it gets pierced.

• Measured in grams (e.g., 95 gr).
• Crucial for packing exceptionally sharp or irregularly shaped objects.
• Blown film possesses superior puncture resistance compared to cast film.

4. Width of the Stretch Film

• Manual film: 430-500 mm
• Machine film: 125-500 mm
• Mini rolls: 100-250 mm (specifically for smaller packages)

5. Weight of the Stretch Film Roll

• Manual: 5 kg (standard)
• Machine: 10-15 kg
• Core: The internal cardboard core weighs approximately 1-1.1 kg (this is included in the gross weight).

6. Number of Stretch Film Layers

• 3 layers – Standard, reliable film.
• 5 layers – Premium quality film boasting enhanced resistance.

How to Choose the Right Stretch Film?

Selecting the absolutely perfect stretch film depends on several vital factors:

1. The Type of Product You Are Packaging

• Light goods (cardboard boxes, textiles) – Thinner film (12-17 µm).
• Medium-heavy goods (appliances, tools) – Standard film (17-23 µm).
• Heavy goods (construction materials, heavy bulk packages) – Thicker film (23-30 µm).
• Irregular items with sharp edges – Blown film or specially reinforced film.

2. The Volume of Packaging

• Low volume (up to 10 pallets daily) → Manual stretch film.
• Medium volume (10-50 pallets) → Manual film + semi-automatic wrapping machines.
• High volume (50+ pallets) → Machine stretch film + fully automatic machines.

3. Transport Conditions

• Short distances – Standard film.
• Long distances – Stronger film with much higher puncture resistance.
• Extreme temperatures (cold storage) – Film specially resistant to low temperatures.
• Outdoor transport – Film with UV protection or opaque black film.

4. Economic Considerations

• Stretchability – Higher stretchability = less consumption = lower price per wrapped pallet.
• Adhesive Quality – Self-clinging without extra gluing = maximum efficiency.
• Thickness – Thicker does not always mean better; the stretchability rate is often more important.

5. Additional Functions

• Branding → Custom printed stretch film featuring your logo.
• Security → Opaque black film.
• Ventilation → Perforated film (essential for fruit and vegetables).
• Ecology → 100% Recyclable or biodegradable options.

Korać R – Your Reliable Partner for Stretch Film

For over 34 years, Korać R d.o.o. has been providing top-tier services in the production and sale of adhesive tapes and stretch films across the entire European Union market.

Why choose Korać R stretch film?

Highest Quality Products

• We produce stretch films exclusively from the finest granulate (absolutely no regranulate).
• Advanced 5-layer films offering maximum resistance.
• Stretchability up to 160% – double the average found on the market.
• Incredibly strong, elastic, and highly resistant to tearing.

A Wide and Diverse Assortment

• Manual stretch films – 5 kg rolls tailored for general use.
• Machine stretch films – 10-15 kg rolls for heavy industrial application.
• Black stretch films – for ultimate discretion and UV protection.
• Pre-stretched films – for a much easier packaging process.
• Specialty films – custom-made strictly according to client requests.

Highly Competitive Stretch Film Prices

• Direct sales straight from the manufacturer.
• Absolutely no middlemen = substantially better prices for you.
• Lucrative discounts for larger wholesale quantities.
• The absolute best price-to-quality ratio available.

Fast Delivery of Stretch Film – European Union

• Swift delivery across the entire European Union.
• Berlin, Paris, Madrid, Rome, Vienna, Amsterdam, and all other major European destinations.
• Constant and reliable inventory kept in stock.
• Incredibly fast realization of all orders.

Expert Professional Support

• Dedicated consulting to help you choose the right film.
• Comprehensive technical support.
• Customized solutions tailored for specific industrial needs.
• Decades of deeply rooted experience in the packaging industry.

Certified and Guaranteed Quality

• Strict adherence to ISO standards.
• Health, safety, and technical compliance guaranteed.
• Prestigious ecological certificates.
• 100% full recyclability.

Other Packaging Products – Our Complete Offer

In addition to our premium stretch films, Korać R offers a complete, comprehensive range of packaging products:

Adhesive Packaging Tapes (Sellotape)

• Solvent, acrylic, and highly requested low-noise tapes.
• PVC and machine-grade adhesive tapes.
• Custom-printed adhesive tapes featuring your company logo.
• Perfect for branding your packages.
• Excellent for promotional use.
• Significantly increases your brand’s overall recognition.

Paper Tapes

• Highly environmentally friendly.
• Fully recyclable along with the cardboard boxes.

Crepe Masking Tapes

Heavy-Duty Tapes

• Specially reinforced with durable glass fibers.
• Engineered for the absolute heaviest goods and pallets.

Double-Sided Adhesive Tapes

• Ideal for seamlessly attaching carpets, mirrors, and photo albums.
• Various specialized types designed for different surfaces.

Tape Dispensers

• Manual tape guns.
• Machines dedicated to sealing cardboard boxes.
• Ergonomically designed to ensure the easiest handling possible.

Expert Tips for the Proper Application of Stretch Film

1. Manual Packaging – Best Practices

• Always start from the very bottom of the pallet – thoroughly secure the base first.
• Overlap the layers by roughly 50% – this guarantees far greater stability.
• Stretch the film evenly as you go – ensure you do not over-tighten it.
• Finish firmly at the top – press the end down so it sticks perfectly.
• Thoroughly cover the top edges – this acts as a robust shield against dust.

2. Machine Packaging – Optimization

• Accurately adjust the machine’s tension according to the load’s exact weight.
• Utilize pre-stretched film to achieve massive material savings.
• Regularly and properly maintain your wrapping machine.
• Consistently check the number of rotations happening around the pallet.

3. Proper Storage of Stretch Film

• Always store the film in a dry and suitably cool place.
• Strictly avoid direct sunlight (to prevent UV degradation).
• Keep the rolls in their original packaging until the exact moment of use.
• Ideal storage temperature: 10-25°C.

4. Recycling Initiatives

• Our stretch film is 100% fully recyclable.
• Make sure to collect used film completely separately.
• Hand it over strictly to certified recycling centers.
• Actively contribute to the protection of our environment.

FAQ – Frequently Asked Questions About Stretch Film

What is the main difference between manual and machine stretch film?

Manual film is designed for manual human packaging featuring lighter rolls of 5 kg, whereas machine film is built for automated packaging systems utilizing heavier rolls of 10-15 kg. Machine film possesses double the stretchability (up to 450%) and is significantly more efficient for massive volume operations.

How many pallets can I realistically wrap with just one roll?

That heavily depends on the specific stretchability of the film, its thickness, the size of the pallet, and the total number of layers applied. On average, one standard 5 kg roll of manual film can comfortably wrap 15-30 pallets, while a heavy 10 kg machine film roll can effortlessly wrap 50-100 pallets.

Does stretch film harm the environment?

No, modern stretch film is 100% recyclable and can be thoroughly reprocessed. Additionally, a growing number of manufacturers are now offering biodegradable options that are even more environmentally friendly.

Which is better – cast or blown stretch film?

Cast film is visibly more transparent, noticeably quieter, and generally cheaper – making it absolutely ideal for general, everyday use. Blown film is significantly stronger, highly resistant to puncturing, and much better suited for extremely heavy loads. Your choice ultimately depends on your specific application.

Can I use standard stretch film for food?

For food, you must exclusively use food-grade stretch film that is specially certified for direct contact with groceries. Standard industrial stretch film is absolutely not intended for direct contact with food items.

The Price of Stretch Film – How much does stretch film actually cost?

The price of stretch film varies depending on the specific type, thickness, stretchability, and ordered quantity. For a highly precise quote perfectly tailored to your exact needs, simply contact Korać R and you will undoubtedly receive the best price on the European market.

Stretch film is an absolutely indispensable tool in modern logistics, global trade, and major industry. Its sheer versatility, exceptional cost-effectiveness, and daily practicality make it an irreplaceable solution for the packaging, safe transport, and warehousing of products of every kind.

Key Takeaways:

• Always choose the correct film based on your product type and packaging volume.
• Stretchability is often far more important than mere thickness – it saves both material and money.
• Invest in true quality – opting for cheap film can easily cost you much more in the long run.
• Collaborate closely with a highly reliable supplier – Korać R is right here for you!

Korać R – your partner for Stretch wrap film

With Korać R as your partner, you can be confident that you are getting top-quality products, professional support, and the best value for money. Years of experience, certified products, and satisfied customers across Europe and the region speak to the reliability and quality of Korać R products. Wide product range:

In addition to stretch wrap film, we also offer:

Custom printed adhesive tapes
Double-sided adhesive tapes
Paper tapes
Crepe ( Masking ) tapes
Anti-slip tapes
Duct tapes
Heavy-duty tapes
Aluminum tapes
Felt pads
Tape dispensers

Contact Korać R

Are you ready for premium-quality stretch wrap film on the EU market at a great price? Korać R d.o.o. is at your service – CONTACT US!

Phone: +381644060055 (Monday–Friday, 08:00–16:00)

Email: moc.rcarokobfsctd@ofni

Website contact: https://koracr.com/contact-koracr-tape-manufacturer/

Address: Rumenački put 95a, 21000 Novi Sad, Serbia