Polythene
Polythene is generally used for producing plastic sheeting and plastic bags. Both of which come from the same manufacturing process. Polythene pellets are melted and then extruded through a circular die gap forming a plastic tube, the die can be adjusted to produce different diameters. The tube can also be made thin or thick by stretching and inflating. The tube can also be cut in one or both sides or be gusseted. The cooled polythene tube is then rolled at the end of the process. All of this is done in the same machine in a continuous flow.
Printed Packaging
Polythene packaging can also be made printed with custom logos and designs. Printed packaging provides an effective marketing solution. By printing a logo, company name and/or a website address on a shopping bag will enable a company to be advertised for wherever the printed bag goes and it will also become recognizable. Visit Polybags if you need more information about printed polythene packaging.
Plain polythene bags
Clear polythene bags are manufatured in a wide range of sizes, starting from 2 inches (50mm) wide all the way up to 48 inches (1220mm). Plain polythene bags are also usually stocked with different thicknesses including the light duty 120 gauge, medium duty 250 gauge and the strong heavy duty 500 gauge. Non standard sizes and thiknesses can also be made to order. Biodegradable clear bags are also manufactured as an alternative to polythene bags.
High tensile bags
For a more demanding solution, if packing heavier loads for example, high tensile bags could be used. High tensile bags are produced with a blend of low and medium density polythene providing improved strength when compared to standard polythen bags.
Polymax bags
Polymax bags are super strong bags manufatured by Polybags. Although polimax bags are stronger than the comparable low density polythene bag they are 25% cheaper and 66% thinner. Polymax bags can offer a great deal of strength, good visibilty and better tear resistance.
Grip seal bags with write-on-panels
These are polythene self-sealing bags manufactured with 3 not glossy white write-on-panels allowing foe labeling contents with a pen or pencil. Standard polythene self seal bags are 200 gauge thick.
Biodegradable compo bags
Biodegradable compo bags are made with chemical properties that helps them to biodegrade in a compost or landfill. Once disposed in a compost heap it will usually decompose in 9 months to 2 years along with its organic waste.
Slider grip bags
Slider grip bag is a self sealing bag with a plastic slider grip seal closure found in a variety of sizes. An economic solution for a professional packing look. Self-seal bags are also provided with extra bag strength 350 gauge polythene.
Specimen bags
Specimen bags are generally used by hospitals, the police and the forensics as they have the ability to carry specimens and documents on the same packaging but into separate pouches. Medical sample bags will keep the specimen safe from contamination, police bags and forensic bags will avoid the evidences from losing its properties.
Antistatic grip seal bags
An antistatic bag is a shipping bag for electronic devices which can be damaged by electrostatic discharge. Static travels around the bag and dissipates before it has a chance to damage contents when shipping or storing. These plastic bags have a distinctive color (silvery for metalized Mylar and other similar plastics, pink or black for polyethylene). The polyethene bags may also take the form of foam or bubble wrap, either as sheets or bags.
Layflat Tubing
Layflat tubing or film on the roll is a flexible and economical form of packaging. LFT is perfect for packing products of the same width but varying in height or long items. Layflat tubing is generally provided in as a roll of continuous film.
Top tips from the internet on buying polythene bags
Waste bags solve a simple logistics problem: small, awkward waste streams can be contained and moved out of the method without taking above the floor. That matters where access is tight, because loose debris and overfilled bins slow down work and create trip hazards. A sensible bag spec also assists with sorting, since light mixed waste, sweepings and offcuts can be kept separate from cleaner recyclable material. In warehousing or shop-floor use, the proper bag thickness and closure method make handling easier and reduce splits on the method to the skip. Used properly, they retain disposal tidy without demanding additional kit or fixed infrastructure.
Bubble bags are chosen when a pack requirements light cushioning without adding much weight or bulk. The air pockets assist soften knocks in transit, so smaller items are less likely to suffer scuffing, corner crush, or surface damage when they are shifted in cages, sacks, or mixed consignments. They also sit neatly inside mailers and boxes, which assists retain packs tidy and reduces the need for loose null occupy. The main point is that the bag still has to suit the product size and the handling risk, because poor fit leaves movement inside the pack and movement leads to damage.
Printed carrier bags should be judged as working packs first and printed media second. A sharp emblem can conceal weak specs at first glance, nevertheless the problems soon appear on the packing line and in store. If the gauge is also low, the bag stretches or tears below load; if the board or film lacks stiffness, the shape collapses when cartons are dropped in; if the handle weld is poor, the bag fails before it reaches the client. Good specification matches the material, handle style and print area to the proper weight and handling pattern, so the bag carries properly and does not cause trouble at dispatch.
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Mailing bags work optimal when the film is built to survive the proper knocks of despatch, not only to see tidy on a specification sheet. A bag manufactured from poor gauge control will stretch oddly, split at the seal, or scuff through while moving across conveyours and cages, which soon turns into rework at the pack bench. Co-extruded polythene suppliers assists because alternative layers can balance strength, opacity and weight, so the bag stays discreet without becoming unnecessarily heavy. That matters in warehouse work where all gramme and all second affects throughput. A well-chosen bag also retains select-face handling tidy, since less shrink wraps and additional sleeves are needed. The proper structure saves labour as much as material.
Thomas Cook passengers give staff carrier bags of cash after flight home
Carrier bags fail in service far more often at the handle than in the body, so the film specification has to match the load rather than the label. A thin polythene suppliers bag may cope with light shopping products, nevertheless once dense contents or sharp point-loading are involved, weak melt flow and poor orientation display up fast as split seams and pulled necks. Good converting retains the gauge even, uses the proper resin balance, and leaves enough headroom for fast manual handling on the warehouse floor. That reduces dropped stock, improves pallet stability in secondary packing, and avoids the sort of handling damage that turns a cost-effective pack into a costly complaint.
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Retail bags need proper gauging and weld control if they are going to survive proper handling rather than only see tidy on a screen. A light film can tear where the handle is punched or where the bottom seal takes strain from awkward contents, while an above-heavy bag adds needless material across all consignment and soon drags down load efficiency. Good specification is about balance: enough stiffness to retain the bag flat for fast select-and-pack work, enough flexibility to cope with corners and shifting stock, and a print surface that stays clean after packing and transit. When those basics are proper, the bag works as packaging, not only decoration, and the warehouse stops paying for weak design.
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Display bags need a stable film spec if printed inserts are to stay visible and the pack still sees tidy on shelf. When gauge varies or the film has also much haze, cards, photographs and other printed parts lose clarity before they even reach the display area. Clean converting retains the lip straight, the seal zone even and the bag easy to transport through secondary packing without catching or sticking. That matters on busy lines, where a flimsy or uneven pack fast becomes scrap. A well-matched mono-polythene suppliers grade normally gives steadier results than a mixed structure, so the finished bag stays tidy and workable.
Grip seal bags with a write-on panel work well because they combine identification and containment in one simple format, nevertheless only if the closure and film are properly matched. The rib requirements to close cleanly without stretching the film or making the seal hard to re-open, while the bag material still has to stay light enough to retain packed volume below control. Adding a writable area changes the job for the film, since the surface must grasp marker notes without smearing or weakening the rest of the bag. When that balance is proper, stock can be labeled, checked and moved through a warehouse with less mistakes, and secondary packing stays tidier from select-face to pallet.
1000 Self Seal Grip Seal Plain polythene suppliers Bags 200 Gauge Various sizes Clearance
Plain polythene suppliers bags in a 200-gauge format are a practical selection when packs need strength without turning fat or wasteful. The heavier film stands up well to repeated handling, small parts sorting and secondary bagging, so contents stay together even when cartons are opened and resealed plenty times. At the same time, the bags remain light and compact enough not to distort consignment weight or waste space in outer cases. That balance matters on a busy packing line, where an above-thick bag only adds drag and slows the flow. A sensible gauge gives tidy presentation and less handling problems further down the chain.
polythene suppliers carriers are selected for practical handling rather than for display value, because they have to survive far above a fast trip from till to car. A sensible gauge gives enough strength for daily use without loading the pack with unnecessary resin, and consistent film behaviour assists each bag dash evenly on the machine and seal properly. That makes a proper contrast when cases are stacked on pallets, shuffled through busy dispatch areas, or carried beside oddly shaped products that can grasp weak film. Choose the proper specification and the carrier does its job without drawing attention to itself, which is often the sign of a sound pack.
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There's a Christmas treat over at our parent website Polybags.co.uk, where you can get 20% off all economy black sacks (BRS120) when you spend £30 or more. That's such a fab festive discount, rumour has it that Santa himself is stocking up for Christmas night. For the rest of us, these light duty black refuse sacks are perfect for stuffing used wrapping paper into on Christmas morning or clearing up after all those fun-filled Christmas and New Year parties.
To claim the offer, simply apply the voucher XMAS120 and shop away. Once your basked reaches £30 worth of black sacks the 20% discount will be applied automatically. This is a limited time offer and there is strictly one voucher per customer - that includes you Santa!