Are you working for a packaging company and you’ve been asked to source a new heat sealer? If you’re a newcomer to the world of heat sealers, you may need to learn a bit more about this appliance. You know this machine is used to seal packaging materials. But did you know there are different types for different applications?

So, before you head out to buy a heat sealer, read this article to learn more about this useful piece of machinery.

What You Need to Ask Before Buying a Heat Sealer

It’s always a good idea to ask some questions before you buy a product you’re not familiar with. These questions could give you the answers you need to steer you in the right direction. And save you from making a mistake by purchasing the wrong appliance.

Some of the questions you can ask yourself when looking for a heat sealer could be:

  • What do I want to seal?
  • What are the materials of the packaging I want to seal?
  • Will the heat sealer be able to seal multiple layers of material? Or do I only need to seal single layer material?
  • Am I sealing foil bags, gusset pouches or other similar type packaging? Or do I only need to seal single plastic bags?

Having a better sense of the task you want the sealer to carry out will help you in deciding which design to pick and whether you should go with a hand-held heat sealer or an automatic sealer. You can even opt for a bench-top heat sealer or one operated with a foot pedal. The list goes on for the types of heat sealing machines you can pick from to do a sealing job.

Let’s find out what types of heat sealers you may find available and what applications they’re best suited for.

Handheld Heat Sealers

The beauty of handheld sealers is they give you the freedom of movement when you’re sealing certain types of packaging. If not well designed though, the operator could end up dealing with fatigue, especially when doing high volume sealing work. So, always go for a high quality, lightweight machine if you opt for this type of sealer.

Depending on the type of handheld sealer you pick, you can seal the following materials:

  • Polythene and polypropylene bags and tubing
  • Cellophanes
  • Laminates
  • Coated foils
  • Wax coated paper

Constant Heat Sealers

The constant heat sealer is a good option for heavy duty bag sealing applications. This is because it uses high temperatures to seal the packaging. The method entails applying constant heated sealing jaws to fuse and seal bags. These machines are manually operated either by hand or with a foot pedal. They’re ideal for when you want to tamper proof packaging containing medicines or food items.

A constant heat sealer is best used for multilayer materials which include the following:

Impulse Heat Sealers

These types of heat sealers operate by using low voltage to deliver short impulses of heat to seal. This is one of the most power-efficient heat sealing methods to use. They’re best used on materials such as polythene or polyurethane.

These types of materials only need moderate temperature to create a good seal. The impulse heat sealer is often used for sealing multi-layer metallised barrier bags. And, if the right configuration is used, they can seal a double layer of heavy thermoplastic packaging comfortably.

Other Types of Heat Sealers

While we have mentioned the most common types of heat sealers, you can also find other types available. Specialty heat sealers are designed to handle both large-scale industry packaging sealing requirements and smaller, more delicate applications.

A mail bagger type heat sealing machine is specifically designed to package printed paper. Either polyethene or PVC tubing is used to wrap up the paper and it is heat sealed to enclose the papers securely.

A band sealer works well for sealing stand up bags in a packaging line for fast and efficient sealing. Materials include LDPE, PP, PVC and cello bags and pouches.

Automatic heat sealing machines are perfect for sealing bags that require being held such as those containing liquids or powder. It uses the impulse heating principle and is best suited for polypropylene and polythene materials.

Final Thoughts

The packaging industry would be lost without the use of efficient heat sealing machines. By looking around you, you’ll notice how many items are being stored in sealed packaging. From your ground coffee to screws and nails and even pharmaceutical drugs, they’re all sealed in bags or pouches. Heat sealing bags helps to maintain freshness in food and prevent tampering of bags.

For the next time you’re shopping for this type of machine, you now know what types are available. And, for which applications they’re designed. A heat sealer’s main job is to seal packaging, but their range of capacities and applications is what counts. That’s what leads to value for money.

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7 Best Javascript Frameworks of 2015 (and 2016 so far)

Front-end languages are a thing in the modern world. Today  Outsourcing Developers in Eastern Europe FreezePro Software will focus our attention on JavaScript and the most effective frameworks of 2015 based on it.

20 years ago, Brendan Eich created it, and ever since that, this language does not lose its popularity. Thankful to the need to maintain front-end pages, JavaScript becomes even more prevalent. This language is also known as EMCAScript; Mozilla has implemented the newest EMCAScript 6 in their latest build.

JavaScipt found its usage as a prototyping scripting language; its key feature is dynamic typing. Plenty of improvements and expansions recreated this language from front-end-oriented into the multifunctional toolkit. The work of an incalculable number of developers resulted in plenty of JavaScript libraries and, of course, libraries.

It was the year 1995. The talented developer, Brendan Eich, creates this profound scripting language while three corporations predict its appearance: NetScape, ECMA International, and Mozilla.

Soon after, other developers started using this language to create significantly performable frameworks. The introduction of node.js allowed creators to develop complete JavaScript applications. SpiderMonkey, V8, Chakra and many others have become the major implementation of this language.

One thing should also be pointed out – the difference and similarity between Java and JavaScript. The “Java” part in the name of our today’s main character confuses many people all over the world.

“JavaScript” is a result of the marketing-oriented strategy. At that time, Java programming language was at the peak of its popularity – and this decision helped JavaScript gain its target audience.

The rapid development of your applications can be achieved by using JavaScript frameworks. However, creating a web application in pure JavaScript is not really a real-life scenario (even though it can be a useful learning experience). A number of frameworks provide developers with shorter and faster coding.

Using JavaScript frameworks and libraries allows you to enhance rapid development and prototyping. For instance, single-page web applications can be powered by Angular.js. Even though most the modern frameworks use MVC principle, some of them use MVVM, MVP etc.

The usage of terms “framework” and “library” might confuse you. Moreover, the developers use both of the terms interchangeably. You should know the difference between the two terms to make the best out of it.

Unlike in libraries or standard user applications, the overall program’s flow of control is not determined by the caller, but by the framework itself. Pre-defined rules help the developer improve a cross-platform performance of the application.

In its turn, the library typically is a collaboration of methods and tools that can be used by the programmers without any dictated rules or guidelines.

Now let’s move on to best JavaScript frameworks of 2015 (and 2016 so far).

1. ANGULAR.JS

This framework is considerably the most powerful, useful, and, consequently, popular JavaScript framework in the world.

When Google released it in 2009, the expectations were quite unpretentious. However, Angular.js has become truly popular due to its possibility to rapidly build single-page web applications. So-called directives also enhance it.

They add reusable codes to the application and provide the application with necessary dynamic functionalities. Manipulating DOM is easy – that is why you can without troubles ass behavior and CSS to the HTML DOM elements.

2. BACKBONE.JS

You might have figured out the hint – this minimalistic framework provides the necessary backbone to web applications. It is available under the MIT license and claim to be open source.

Backbone’s significant feature is its ability to act as the base of a multilayer web project. You may find useful tools inside, for instance, model building using key-value binding, tons of enumerable objects with usable API etc.

You can use other frameworks on top of the web application set. Backbone.js can be used with other toolkits it massive projects. The appropriate mix of functionality and performance is accomplished by framework’s small size and lucidity.

3. REACT.JS

This framework is considerably one of the most useful front-end frameworks – for a reason. It works as the V in MVS, which means that it can be used to create the UI constituent of your project.

With the help of the node.js, it can be rendered on the server side; its performance is also enhanced by involving a virtual DOM. If you need to recreate your front-end component into an interactive element, React.js will help you with it flawlessly.

This is proved by usage experience of such companies as Instagram and Facebook. React.js achieved the name of one of the best UI frameworks for creating high-performance and responsive web applications – and all this with only 2 years on the market!

4. METEOR.JS

If you need to create full-process end-to-end web applications, developers will recommend you to try Meteor.js – and this commendation will be quite veracious.

Since its appearance in 2012, this framework has proved that a platform can be truly multifunctional and cover all the tasks without additional libraries or frameworks.

Moreover, Meteor.js is being permanently improved – its community contributes to the core of the application regularly.

This framework allows developers to tackle through various sections of the framework – thanks to its modular design. It also covers virtually all the phases of development (frontend, backend etc.), which enables to swiftly create real-time applications.

5. EMBER.JS

With the use of the MVC principle, this rather popular JavaScript framework is used to create complex web applications. Within it, two main mechanisms are implemented.

The first is similar to the two-way binding that Angular.js uses; it helps synchronize all the processes – for instance, the change in model initiates an immediate adjustment of the model. The second mechanic is the fastboot.js module.

You are right if you compare this mechanic with react.js’s ability to render DOM on the server side. With these two features, even scalability is not quite an obstacle to getting the best of this framework. Likewise, tons and tons of learning material about Ember is available online.

6. POLYMER.JS

Originating in 2013, this Google-powered framework has already gained popularity. This platform has much to offer including the ability to create and extend HTML or other web components. Even though Polymer.js has just released an alpha version, it already has numerous followers.

7. AURELIA.JS

This ambitious project has been on the market less than a year. It is backed up by a team of skilled professionals, so we look forward to something special.

Using the hints from Angular 1 and 2, this framework helps create powerful and responsive applications. The architectural design is also customizable and offers limitless control over the framework.

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