Cost-effective screen changers for high-quality plastic film


Cost-saving continuous screen changers for high-quality film

When extruding plastic for the production of high-purity film, a cost-effective and maintenance-free continuous self-cleaning screen changer is essential to offer significant savings and end product high quality.

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PRODUCTION OF BOPP AND BOPET, PE, PP, ETC. FILM

In implementing a continuous plastic extrusion line intended for the production of high purity cast film, blown film, filaments, non-woven, wire & cable, pipes, technical items, etc., it is necessary to use diverse raw materials according to the relevant product end application. In general, the most popular polymers are BOPP and BOPET, besides PE, PP, ABS, PET, Nylon, PA, PS, etc.

Polymer selection for a specific application depends on several factors and product end application characteristics. In any case, virgin raw materials, eventually mixed with recycled plastic, are used to manufacture high-purity products and added-value end applications (e.g.: food, medical, optical-grade, and other products and applications).

COST REDUCTION IN PLASTIC FILM PRODUCTION AND COMPLIANCE WITH REGULATIONS IN FORCE
Adding recycled plastic materials to the polymer mix is essential to reduce production costs, and to comply with regulations in force that increasingly impose limits to new plastic production, favouring the use of recycled plastic. Besides, screen changer filtration – besides the relevant cost – is essential as well.

THE ROLE OF CONTINUOS SCREENCHANGER

What role does a screen changer play in achieving high-purity film – or other item – production and cost reduction at the same time? In order to reach end product high quality, it is often necessary to equip the extrusion line with a continuous screen changer. A highly performing and low-maintenance continuous screen changer allows high quality to be ensured in end products, even in case contaminated raw materials are used.

In such a scenario, the ultimate screen changer should require a limited investment to contain production costs. In particular, a continuous screen changer is required not to affect extrusion line performance with operation interruptions due maintenance or cleaning interventions as the extrusion line must operate without interruptions.

A COST-EFFECTIVE CONTINUOUS SELF-CLEANING SCREEN CHANGER

How can a continuous screen changer zero operation interruptions due to maintenance or cleaning interventions? And consequently, how can it contribute to extrusion line high productivity level? The best solution is to take up a cost-effective continuous self-cleaning screen changer featuring a simple structure that requires low initial investments and has a limited number of moving parts, junctions and frictions. As a matter of fact, such a screen changer zeroes any need for maintenance interventions and operation interruptions, thus reducing costs dramatically.

AP SCREEN CHANGER – HOW TO WORK BETTER WITH NO MOTORS, OR HYDRAULIC AND PNEUMATIC COMPONENTS

Cofit screen changers from AP series have been designed and manufactured to offer notable ease of operation, the aim being to meet cost effectiveness needs of continuous plastic extrusion lines intended for high-quality applications.

Cofit has been dealing with research, design, and production of continuous screen changers for over 50 years. Cofit AP series of screen changers is the result of Cofit applied research in the field. AP screen changers operate with no motors, or hydraulic or pneumatic components – this means they do not require operation interruptions for maintenance or replacement interventions. Any AP screen changer elongates the service life of continuous plastic film extrusion systems and is virtually indestructible.

Even if they are inexpensive, Cofit AP screen changers stand very high pressures and offer outstanding filtration capacity: AP screen changers can operate at over-500bar pressure and offer filtering levels exceeding 10 microns. Have a look at AP technical data sheet.

AP SERIES – COST-EFFECTIVE MANUAL, CONTINUOUS AND SELF-CLEANING SCREEN CHANGERS

Cofit AP series of manual, continuous and self-cleaning screen changers offers remarkable filtration capacity, suitable for the production of high-quality film, food and medical applications, filaments and much mor. The AP series by Cofit can be used with most of thermoplastic polymers – in particular, BOPP and BOPET.

Within the framework of current continuous screen changer market, AP is a remarkably cost-effective solution yet very simple and sturdy. All AP continuous screen changers require extremely low investments and minimized maintenance interventions.

Have a look at AP technical data sheet.

Cofit deals with research, engineering, manufacturing, and distribution of continuous screen changers, either manual or automatic, intended for any sector and process material, in particular BOPP and BOPET film. Contact us to see how a continuous screen changer can optimize your plastic extrusion process.

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