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Types of Stretch Film Full-time Job

Mar 24th, 2022 at 10:23   Training   Baia Mare   72 views
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Types of Stretch Film

There are many brands and configurations of stretch wrap film in the market today, as a matter of fact there are too many and its confusing to say the least.

Broken into two main categories of Hand Stretch Film and Machine Stretch Film depending on how the product is applied the rest of the variations are focused on gauge, manufacturing and application.

What is Hand Stretch Film?

Stretch film designed specifically to be applied manually is referred to as hand stretch film. It is also referred to as hand film, hand stretch wrap, hand wrap or manual pallet wrap. It is typically utilized in lower volume packaging operations. However the efficiency of manual stretch wrap packaging should be regularly re-evaluated against potential benefits of upgrading to a machine applied films.

Choosing the right stretch applicator will result in more efficient and cost effective packaging operations.

What is Machine Stretch Film?

Stretch film designed to be applied with a stretch wrap machine is referred as machine stretch film. It provides many advantages over hand film including: faster and more efficient packaging, reduced packaging material costs, safer application, more secure loads and more.

Common Machine Stretch Film Types

  • Blown Stretch Film

  • Cast Stretch Film

  • Pre-stretched Film

  • Specialty Stretch Film

The basics of the stretch wrap world are that the heavier your load and the farther it travels the more film you will require to secure it. With this in mind the process requires knowledge, experience and expertise to select the most cost effective solution for your shipping requirements.

What is Cast Stretch Film?

Cast Stretch Film, otherwise known as Cast Film or Cast Wrap, is manufactured using the cast extrusion process.

Typical Characteristics of Cast Stretch Films

  • Excellent Optics

  • Clear

  • Glossy

  • Superior Tear Resistance

  • Quiet Unwind

  • Consistent Cling

  • Consistent Film Thickness

What are Pre-stretched Films?

Pre-stretched film is film that has been stretched (or pre-stretched) during the manufacturing process and then rolled onto cores for customer sale.

Pre-stretch Film Benefits:

  • Safer and easier operator application

  • Less operator effort required to wrap pallet loads

  • Less waste to landfill

  • Reduced neck down eliminates revolutions and trips around the pallet

  • Lighter rolls reduce operator fatigue and staff loss time injuries

  • Pre-stretch films are recyclable

  • Pre-stretched film is strong, consistent and stable

What are Specialty Stretch Films?

Specialty stretch films are designed to answer very specific packaging needs that more general purpose stretch packaging products cannot accommodate. A small sample of some specialty stretch packaging films are below.

  • UVI Stretch Wrap

  • VCI Stretch Wrap

  • Roll Wrap Film

  • Wide Web Wrap

  • Pallet Wrap Netting

  • Tinted Stretch Film

  • Heavy Gauge Film

  • Bundling Film

  • Vented Pallet Wrap

  • Banding Film

  • Opaque Black Stretch

  • Wrap Anti-static Stretch Wrap

Flexo Printing Equipment for Industrial Products

Flexographic printing is a method of direct contact printing. A flexographic (flexo) printer consists of multiple wheels that work in unison to pick up ink from an ink reservoir, deliver the ink to a printing die or plate, and roll the ink onto the material being marked.

Flexo printers are an excellent choice for these types of printing applications:

  • The printed message does not change often

  • High quality logo printing is desired

  • Printed logos or messages are large

  • Specific colors are required (e.g. Pantone colors)

  • Printing is only required for short production runs

  • The budget for printing equipment is limited

  • Simple/low-tech printing machines are desired

Industrial Printing Applications

Pannier flexographic printers are used for printing text and high resolution graphics on flat materials such as metals, rubber, building products, textiles, and packaging products.

The most important consideration when purchasing a flexo printer is the requirements of the printed message(s). How large is the overall size of message to be printed? How often must the message repeat on your material? The answers to these questions will determine the width and circumference of the print drum needed for your printing job.

The Pannier Super Ink Print-All uses a universal frame that can accommodate wheels of several different circumference sizes. As shown in this image, the same size message can be printed with three different print wheels, but increasing the circumference of the wheel increases the space between each repeat of the print.

Flexo printers use either one or two rolls to pick up and apply ink to the print wheel which holds the printing plates or dies. The wheels are tied together with a chain and sprockets so that they turn in unison. The friction of the print wheel making contact with the moving material is what drives the rotation of all the printer's wheels.

Types Of Paper Used For Making Paper Bags

If you're thinking of the most inexpensive way to package gift items for your clients or colleagues, think paper bags. Even better, go for paper bags that are environmentally friendly to show your sensitivity to conserving the environment.

Paper bags can be used for a variety of purposes, which include packaging food in snack bags or packing promotional items together to make gift bags. Paper bags don't have to be bland. They can be beautifully designed using exciting colours to give them a touch of flair and style.

The ideal paper for making paper bags depends on what you want to do with the bags. Aesthetics, smoothness and toughness are some of the qualities desirable in a paper bag, and so the material used must be appropriate for the type of paper bag you have in mind.

Regardless of the material you choose, branded paper bags are handy marketing tools that can carry a company's brand and logo to places the traditional marketing strategies cannot reach. As you consider the various types of paper bags on offer, think of what you want to package in them, the message you want to send, and, of course, the aesthetics.

Kraft paper is a commonly used type of paper for paper bags. This material is made of softwood sulphate, a thick light-brown, yellowish-brown, white or cream paper-making material with a weight of between 80 and 120 grams. The tensile force of kraft paper is high. It comes in variations of no-grain, single or double light, or stripes. It's used to primarily package envelope bags, portfolios, medical records bags, and so forth. It’s also ideal for packaging food takeaway.

This material features a combination of a single layer or multi layers comprised of fully sized, bleached chemical pulp. Its texture is firm while the surface is smooth. Among the various paper bag-making materials in the market, imported white cardboard is more widely used.

If you're looking for top-of-the-range gift boxes or bags, they will most likely feature imported white cardboard. These make for very appropriate giveaways or promotional items for clients who expect a slightly higher quality.

This material is ideal for making cartons, labels, cigarette cases and other types of packaging. Paint and copper plate base paper are the main materials used. Auxiliary materials, adhesives, and pigments are converted into coatings to cover the paperboard's surface using special equipment.

They are then dried and calendered, leaving behind a clean, smooth surface that makes for a superior printing performance. The grammage (paper thickness or weight) is between 70 and 250 grams.

Advantages Of Square Bottom Portable Paper Bag Machine

The square bottom portable paper bag machine is mainly used for clothing product packaging, boot product packaging, various gifts, corporate image promotion bags, etc. What is the development trend of portable paper bag machine? There are two main types of hand-held paper bag machines on the market: one is a roller hand-held paper bag machine; the other is a one-piece hand-held paper bag machine.

Both devices have the characteristics of automatic paper feeding, automatic gluing, automatic bottom paste and automatic output.

However, there are still some disadvantages.

First of all, after the finished paper bag is finished, there are dents on the front of the paper bag, which affects the appearance of the product.

Second, the finished paper bag needs to be manually laid on the bottom of the bag with bottom paper to improve the bottom strength of the paper bag.

Third, the handle of the paper bag needs to be attached manually.

Fourth, the production efficiency is low, about 40-60 per minute.

Fifth, the range of suitable paper is limited, and the paper weight is between 70-200g/m2.

Because the square bottom portable paper bag machine is easy to carry and easy to degrade, it can not only recycle recycled paper, but also reduce air pollution and is environmentally friendly, so it has become one of the most useful green products.

The development of paper bag machinery shows a trend of combining mechanical, electrical, gas, liquid, optical and magnetic properties into one. It has become a trend to produce high-efficiency, energy-saving, recyclable products, high-tech practicality and intelligence.

Types of Paper Bags

With the wide range of paper bag sizes available, it can be hard to pick the product that best suits the needs of your business. Keep reading to learn more about the distinctions between different bags.

paper grocery bag

Brown vs. White Paper Bags

Paper bags generally come in two colors: brown and white. While brown paper bags are used more frequently than their white counterparts, white bags will highlight your establishment's logo and present a cleaner appearance than brown bags. Regardless of the color you choose, all of these products feature a thick construction that's resistant to tears and rips.

Which Paper Bag is Best for Your Business?

If you run a restaurant or small deli, paper lunch bags or shopping bags with handles are a useful choice for your business. Additionally, grocery stores usually need heavy weight paper grocery bags and sacks. Liquor stores can use beer, liquor, and wine bags, while merchandiser bags work well for boutiques or bookstores. If you run a produce stand or farmer's market, we recommend produce and market paper bags. Finally, paper bread and recloseable coffee and cookie bags are a great choice for bakeries and cafes.

 

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Types of Stretch Film