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LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion

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Key Features

LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion
Recycled and CaCO3. Pushed to the limit. Cost-saving technology for film and bag producers 
  • Stronger, higher film resistance: Comparing to mono layer film products with the same thickness
  • Cost saving: Virgin material is applied mainly on the outer (thin) layers which is relatively a very small percentage of the film composition
  • Better material mixing: With co-extrusion to produce better quality film

LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion


Possible Products
LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion
Supermarket bag
T-shirt bag
Shopping bag
Garbage bag

LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion
Final ProductHDPE,LDPE, LLDPE ABA 3 layer plastic film
ApplicationFlexible packaging bags, T-shirt bag, garbage bag, shopping bag
Material UsedHDPE,LDPE, LLDPE virgin raw material, recycled material, CaCO3 compound, biodegradable material, masterbatch and additives
Output range45~200kg/hr (depends on extruder size)
Screw Diameter40+45mm, 55+65mm (customized)
Screw L/D28/1,30/1 (customized)
Width  300~1400mm
Thickness  0.001~0.1mm
Optional DevicesAuto loader, masterbatch dosing system, rotary die head, bubble controller, corona treater, embossing roller, automatic winder, double winder, EPC, tension controller
Delivery Time60~120 days
Warranty1 year
Technical AssistanceEngineers available to service machinery overseas  

Product info
LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion
ABA multilayer blown film machine produces 30% stronger film
In some markets such as Turkey, Thailand and Vietnam where T-shirt bag production has become extremely competitive, film producers are now replacing their existing mono layer extruders with LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion, mainly to save production cost. One of the biggest T-shirt bag producers in Vietnam has already replaced half of its mono layer extruders with LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion in the past 3 years to stay competitive in the local market.

The LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion consists of two extruders, normally of two different sizes. The most common ones today are the combination of a 45mm screw diameter together with a 55mm for T-shirt bag production. For garbage bags, normally a 55mm screw diameter with a bigger 65mm is used. In the A-A outer layer, normally 20% of CaCO3 is used, with some additional of color masterbatch, LLDPE and a larger percentage of HDPE. The B layer can be used with larger percentage of CaCO3 with HDPE raw material. In-house recycled pellets can also be used to the mixture.
Besides reducing a significant amount of raw material used in the formula, another advantage of the LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion is that the 3 layer film that it produces is 30% stronger than film produced by a mono layer extruder. The LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion is also much more economic comparing to an ABC three layer machine as it has one extruder less. 
POLYSTAR has recently installed 22 sets of mono layer blown film machines in Yangon, Myanmar in a newly-established film production factory. The production line was purchased by one of the largest Japanese investment groups, who aims to produce films locally in Myanmar, and later exports the packaging film products back to Japan. Its main products include flat bags, T-shirt and garbage bags. However, POLYSTAR believes that this type of set up is only likely in a country where labor cost is still relatively low. In markets where labor cost is higher and more competition exists, producers must find a way to lower their production cost in order to increase profit margin.

POLYSTAR, a Taiwanese manufacturer of blown film machines has shifted its main focus onto making and re-engineering ABA technology, because it has noticed this big shift in market trend in many countries where it exports to. In Russia, for example, the mono layer blown film market is almost dead for POLYSTAR, despite the fact that it used to sell at least 50 mono layer blown film machines to the market annually for almost a decade. Instead, 90% of the blown film machines that POLYSTAR has sold to Russia since 2010 has been the ABA type. One of the leading and largest film and bag producers in St. Petersburg (Russia) who currently with 60 sets of POLYSTAR's mono layer blown film machines, has also been very active in upgrading their machines to the ABA type from mono layer extruders. 
Main Usage & Application of Packaging Bag ABA Blown Film Machine  
  • For the production of T-shirt bags, garbage bags and shrink film (for bottle wrapping)
  • 40%~70% CaCO3 compounds or recycled material can be used in the middle layer
  • Thin outer layers with virgin material to cover the film surface so that it still looks good and shinny despite the usage of secondary grade material in the middle layer

Customers' story
LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion
ABA Multilayer blown film machine in Czech Republic
Located in Czech Republic, customer installed 1 set of ABA blown film machine that is equipped with one 55mm extruder and one 65mm extruder. The multilayer blown film machine is capable to produce max. 1350mm HDPE film, and has average output 110~140 Kg/Hr.
The commissioned machine is mainly for producing the HDPE film with large quantity of CaCo3 filler. Films will be fed to converting lines to make commercial bags. By using the gravimetric 4 components dosing unit, the client is capable to control the accuracy of formula when mixing main material resins(either virgin or recycled) together with additives, fillers, and masterbatches.
The LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion offers more flexibility on film formula comparing to regular monolayer machines. Moreover, the three layer film is 30% stronger than regular monolayer film, and production cost can be saved up to to 50%. Based on the unique screw design, up to to 60% CaCo3 can be added to machine with excellent mixing effect.
 LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion is already well known in Turkish market, and it has become very popular in worldwide markets nowadays. More and more film producers start to replace existing monolayer machines with LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion in order to stay competitive in the film industry.
Iran – ABA co-extrusion a new trend for bag makers
In June, the film producer located in Mashhad, Iran has added the 4th POLYSTAR line for the production of garbage and T-shirt bags.

Numerous film and bag producers have acquired the ABA blown film technology in recent years as a replacement of monolayer machines for bag production, largely because a high percentage (up to 50~70%) of CaCO3 compounds can be used in the B (middle) layer of the film, while the inner and outer (A-A) layers can be filled with virgin material to maintain good quality of the film surface. This significantly cuts down the usage of virgin raw material and thus reduces production cost.

The popular usage of LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion for T-shirt and general packaging bag production has first started in Turkey in 2005, and has seen significant growth in the neighboring Russian market (in which POLYSTAR now holds over 50% of the market share for ABA) since 2011 and now in Iran as well in this region. POLYSTAR will install 3 more LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion in Iran this August along with other projects under production. As the cost of raw material fluctuates frequently, the LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion add great advantage and flexibility (comparing to mono layer, single extruders) for the bag producers – with the option of using high % CaCO3 compounds or recycled material in the middle layer.

In markets where the price of HDPE raw material has increased significantly, LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion provides a great advantage in terms of lowering production cost and increasing product quality and competitiveness, especially for 15 ~ 30 micron in HDPE. Virgin material is applied mainly on the A-A (inner and outer) layers, which are relatively a very small percentage of the film composition with the ratio of approximate 1:6:1 (inner: middle: outer)

Company profile
LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion
32 years of experience
Through years of manufacturing and designing experiences and continuous customer feedback, POLYSTAR has become one of the global leaders in the field through 3 generation of technological evolution.

A global leader with 4,180 machines installed
More than 4,180 machines have been installed since 1988. Proven success in Asia, Africa, Europe, Middle East & America.

Satisfied customers in 105 countries
POLYSTAR has been working closely with plastic producers around the world and has established itself as a premium brand that offers reliable and high performing machines in the market. 
ABA 3 layer film producer
Packaging industry
POLYSTAR has put a major emphasis on the re-designing and manufacturing of ABA blown film extruders in recent years. As of June 2016, 135 sets of POLYSTAR ABA type blown film extruders have been installed worldwide, particularly in countries where monolayer film production has become competitive. POLYSTAR provides high customization on the ABA machines depending on customer’s requirement, space and budget concerns.
The A-B-A 3 layer blown film machine is mainly used for T-shirt and garbage bag production. The biggest advantage of the A-B-A is that a high percentage of calcium carbonate compound can be used in the middle (B) layer. Besides reducing a significant amount of virgin raw material used in the formula, another advantage of the ABA machine is that the 3-layer film that it produces is 30% stronger than the film produced by a monolayer extruder with the same thickness.
POLYSTAR’s classic 55mm and 65mm monolayer extrusion machines are prevalent throughout the European market for packaging film application. It provides a flexible solution for general packaging; suitable for both HDPE and LDPE film production by simply changing the die head and air ring. 

POLYSTAR designs and customizes each and every machine based on customer’s requirement to produce a wide variety of products. Examples are hole-punched bags, soft loop handle bags, courier bags, T-shirt bags, supermarket bag, flat bags and many others. Good output, mixing and thickness control can be easily achieved.
Pipe and Injection moulding parts
Thermoforming - PS, PP cups, trays producer
Post-industrial waste generated from PE, PP and PPR pipe production (defected products) can be reused again in pipe extruders when recycling is done correctly.
After shredding, the rigid regrind goes directly into the POLYSTAR pelletizing line for immediate reprocessing. The Repro-Direct 150 processes 700kg/hr for the Turkish pipe producer.
Since it has started in-house recycling, the valuable secondary raw material has significantly reduced the use of virgin and material, with the quality of the pipe remaining just as high.
Production waste from thermoformed PP trays, cups, spoons and PS utensils.
The largest plastic producer located in Bolivia with over 2,000 employees is currently recovering all of its industrial waste with two POLYSTAR recycling machine HNT-120V, processing in total of 1,000 kg/hour.
The recycling machine can flexibly handle both PP and PS thermoformed product, in addition to some of the PE and PP film waste.

Work with POLYSTAR  
LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion 
High quality film roll
Manufacturing with Precision
Service and Communication
High precision die head and cooling air ring of LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion provide good film thickness control and resistance.
- CE certified LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion with total quality control 
- Adopts the latest design and manufacturing of screw and barrel to achieve maximum efficiency 
- Strong research and design team
- Overseas LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion installation service and training are available 
- Machine warranty with in-time spare parts delivery 
- Fast online trouble shooting

POLYSTAR Exhibition
Discover more for LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion at POLYSTAR worldwide exhibitions

Shipping photos
LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion
Fast delivery time for machine and spare parts
The delivery time of a standard POLYSTAR 500kg/hr line is only 2~3 months, and a customized line takes 4 to 5 months to complete, comparing to the usual 6 ~ 12 months delivery time offered by other machine manufacturers in the market.
In-stock Spare Parts . Simply order procedure
- 100% Precision from your POLYSTAR machine
- Precisely engineered
- Readily available from the original manufacturer 

Simply place your order online 

LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion
Official Website
YouTube Channel


Contact Number

+886 6 273 0889

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Recycling Materials
Recycling Materials
Recycling Materials
HDPE, LDPE, LLDPE film scraps (mono and multi-layer), start-up or changeover film rolls (film-on-roll), edge-trim waste, T-shirt bag bundles (cut- offs) from in-house production, lightly-printed film, etc.
Washed flakes, scraps and regrind (pre-crushed rigid plastic waste from injection and extrusion), commercial bags, garbage bags, agricultural films, food packaging, shrink and stretch films,  PP woven bags, jumbo bags, tapes and yarns, PS sheet, PE and PS foam, PE net, EVA, PP mixed with PU, etc.
- Pre-crushed, heavy rigid regrind scraps such as bottles, pipes, containers and lumps in the form of granules.
- HDPE, LDPE, PP, PA, PC, PU, PBU, ABS Granules.

- Pre-crushed film flakes, PP raffia, PE/PP woven, PE foam.


    LDPE/HDPE Shopping bag 3 layer ABA Co-extrusion

Last Update : 2021-01-29
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