Welcome to Heat Sealers Direct
At HeatSealers.co.uk we aim to find the best quality heat sealers at a price that is
right for you.
Heat sealing machines are available in a wide variety ranging from simple impulse heat sealers that cost less that a hundred pounds to automated continuous heat sealing machines selling for tens of thousands. Heat sealing is relatively fast and has therefore been a system largely used for packing everything from screws and bolts to sweets and potato chips.
We hope to be able to help you find all the information you need about heat sealers here but if you still have any questions please don't hesitate to contact us.
Remember to check our for the best prices on polythene impulse heat sealers and layflat tubing.
What do the general public say about impulse heat sealers
Hand Impulse Bag Sealers - Doug Care Equipment
Impulse bag sealers give a tidy, controlled closure for light to medium polythene suppliers bags when speed matters above automation. A hand-held unit heats only amid the sealing cycle, so the operatour can place the film, press the jaws, and leave a tidy line without keeping heat on the material all day. That makes them useful for short runs, repacking, sample kits, and jobs where a clean stop matters above high output. The cutter on a few models also trims off surplus film, which saves time and retains packs looking tidy. Used well, they assist avoid weak seals, wasted material, and messy secondary packing.
Impulse Heat Sealers | Desk Top Poly
Foot pedal operated impulse heat sealers suit busy packing benches because they leave both hands complimentary while the operatour positions the bag and product. That simple layout makes a proper contrast on shop floors where speed and control matter, particularly when sacks, polythene suppliers bags, or liners need to be kept straight for a clean seal. The instant heat action gives a fast, narrow seal width that works well on light to medium gauge film without waiting for a hot bar to stay up to temperature. Used properly, the bag mouth is held flat, the pressure is even, and the finished pack is less likely to split in transit. For repetitive packing work, that means better seal quality and less rejects.
The Role Of Heat Sealers In Industry
A heat sealer has to balance temperature, pressure and dwell time or the pack will see fine at first glance nevertheless fail in use. Too small heat leaves a weak line that pulls apart in transit, while also much heat can distort the film, thin the seal area and make the stop see untidy. That balance matters across plenty kinds of plastic packaging, from light sachets to heavier polythene suppliers bags, because seal quality affects shelf life, handling damage and the amount of waste generated on the line. A well-set machine gives a tidy, consistent seal that stands up to filling, stacking and dispatch.
More Manufacturers and Suppliers of Bag Sealing Machines
Continuous bag sealing relies on proper heat, even feed and a clean sealing path, and a properly set machine makes all three easier to grasp. Electronic temperature control retains the seal bars from drifting hot or cool, which matters when films vary in gauge or when a line runs for long periods without a smash. Step-less speed adjustment also assists because the proper line speed retains the seal below pressure for long enough without scorching the film or leaving a weak joint. That gives a better stop on polythene suppliers sacks, food packs and plenty secondary packs, with less scrap, less reworks and less bags split in handling or dispatch.
View Plastic Bag Sealer
A superb bag sealer relies on proper heat, even pressure and a clean feed, not only the machine name on the side. Rotary sealing gear can give a tidy stop on plastic bags, tea bags and pouch work, nevertheless only if the film gauge, dwell time and arm settings suit the material being dash. Thin polythene suppliers will react differently from a heavier pouch laminate, so a careless setting can leave weak seals or scorched edges that fail in transit. Adjustable arms assist with awkward pack sizes and improve control on the line. A well-set sealer saves rework, reduces leakage and retains finished packs fit for dispatch.
Green Cellophane Bags
Cellophane bags are often chosen when a pack requirements to see clean, tidy and lightly protected without hiding what is inside. A green tint can add a fresh, seasonal feel, while a transparent forest-style bag retains the contents visible and gives the pack a more normal appearance than heavy printed wrapping. For small items like mint, the film requirements to sit flat, grasp its shape and avoid looking crumpled on display, because presentation affects how neatly the product is judged at the point of sale. The proper bag also has to open and seal easily in packing, or it slows down the line and creates waste. A simple bag that handles well and still sees sharp normally does the job optimal.
16" transparent Layflat tubing / tube - 250g - 336M approx.
Layflat tubing is chosen when a round product requirements a snug sleeve without changing to a pre-manufactured bag. The useful figure is the working diameter, not the flat width, because the tube opens out when filled and heat-sealed. A simple guide is to multiply the layflat width by 0.6364, so a 50mm tube gives a diameter of about 31.8mm. That matters on the shop floor, where the gross size can lead to loose packing, wasted film, or a seal that sits also close to the product. Getting the size proper assists retain material use down and makes packing more consistent.
A ban on polythene suppliers bags changes above shopping habits; it changes the all handling chain from filling and sealing to shop-floor storage and disposal. Plain polythene suppliers is light, cost-effective and easy to dash on packing machinery, which is why it has been used so broadly, nevertheless that same convenience creates waste that lingers in drains, skips and sorting areas. When a bag is treated as a disposable by-product rather than a managed pack, it becomes litter fast and recovery rates stay poor. Switching to reusable, recyclable or bio-based alternatives only works when the material is matched properly to the job, because weak film, poor seal quality or awkward folds fast lead to handling damage and client complaints. A bag is only useful if it performs cleanly in practice, not only on paper.
Polypropylene bags in 25 kg formats suit products that need a tough, lightweight pack with decent tear resistance and a tidy stacking shape. The material stands up well to dry powders, granules, and plenty agricultural or industrial occupies because it carries weight without becoming fat in the warehouse. A proper specification matters, though, since bag gauge, weave density, and mouth stop affect filling speed, seal quality, and how neatly loads sit on a pallet. If the bag is also thin, handling damage soon shows up. If it is also stiff, filling and closing can slow the line. A well-matched bag retains dispatch cleaner and reduces losses in transit.
bench top impulse bag sealers with trimmer
Bench top impulse bag sealers with trimmers suit light packing work because they close polythene suppliers bags fast and leave a tidy edge in the same pass. The heating element only draws power for the sealing cycle, so the jaws stay cooler between seals and there is less risk of scorching thin film or leaving a weak line across the seal. The built-in trimmer also assists remove loose tails that can grasp amid handling or spoil shelf appearance. That makes the machine useful for small batch packing, spare parts, sample kits, and seasonal work where tidy presentation and fast cycle times matter above heavy-duty output. A superb install gives cleaner seals and less waste at the packing bench.
So What is a Heat Sealer?
A heat sealer is a machine used to seal product packaging using heat. Continuous heat sealers utilize heated moving belts. Impulse heat sealers use a stationary heated element. Good seals are a result of time, temperature and pressure.
Many industries use heat sealers to prepare products for sale, ranging in size from small businesses to large corporations which handle high volumes of material. Various styles and sizes are available from several companies which specialise in making heat sealers, along with the plastic bags to use with them.
Types of heat sealers
There are a few different kinds of heat sealing machines which are separated into two main categories:
- Continuous heat sealers
These are automatically operated heat sealers designed for continuous production runs. Products will be bagged, sent down the conveyor belt, will be sealed and then dropped into packaging boxes for shipment or storage. They feature a variable timer and a built-in film cutter. Continuous heat sealers are much larger and more expensive because of their greater sizes and higher volume capacity.
- Impulse heat sealers
With a single element and are generally designed for manual use. Some are partially automated. Impulse heat sealers range in price, with simple desktop versions being very affordable.
Impulse Bag Sealers
Impulse bag sealers or impulse heat sealers work by releasing a short burst of
electricity through a resistance wire that will bring a polythene bag, or other plastic
materials, to its melting point and welding both sides together.
Impulse heat sealers won't get hot by just plugging them in. It will remain cool until you bring the sealers jaw to contact with the plastic film.
There are several types of impulse bag sealers which can be categorised into three different types of operations:
- Hand operated sealers
Activated by the placing plastic film or layflat tubing
between the jaws and pressing the upper jaw down to come in contact with the material,
Usually available as tabletop models. Some are also available with a sliding cutter that
can be used once the bag has been seald. Just slide the cutter with the opening jaw still
closed to have the remaing polythene film cut off.
- Foot operated sealers
Usually free standing units that are mounted on a pedestal. The upper jaw will be drawn
when the operator depresses the pedal leaving both the operator's hands free.
Ideal for sealing polypropylene as they provide constant heat, required to seal this
types of plastic, creating a wide crimp seal.
- Automatic impulse bag sealers
Normally tabletop heat sealers whose jaws are activated automatically by dial-controlled timers. This type of impulse bag sealer may also be manually operated when using an electrical foot switch. Like the pedal impulse sealers, both the operator's hands are left free.
Correct use of impulse heat sealers
For an optimal use of any impulse heat sealer the heating element timer must be set to produce enough heat to melt the packaging material for only an instant. The correct time is critical to the successful operation of any impulse bag sealer. If the heating timer is short it will result in a weak seal and the bag will tend to burst. If too long the plastic will 'burn' instead of melt and will also result in an inferior seal. Instructions on how to properly set the timer are normally found on your heat sealer's manual.
Impulse sealers are fast and efficient tools to securely seal many types of packaging materials but are not recommended for cellophane, laminated polypropylene or other cello -like materials that require the temperature set-point to be maintained for fixed periods of time.
Quality in a Heat Sealer
Heat sealing with a heat sealer is a good quick solution for a wide range of products and is a way to assure that a company's product will maintain its integrity to the point of use.
A heat sealer should be built on a robust platform to stand up to rigorous continuous use. In the case of impulse heat sealing, it should mechanically absorb the thermal environment away from the platen after heating and it should be built with good electronics that manage the temperature at the critical thermal environment. A quality heat sealer should also provide safety features to prevent injuries to the user.
The important thing in finding a quality heat sealer is not only to locate a company that provides a heat sealer that just uses time, pressure and heat to seal products but also to find one that is reliable for every seal.