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Multilayer Blown Film Plant


Paper board is coated with plastics to combine the me-chemical properties of the paper board with the barrier and sealing properties of plastics. Paper board combined with a relatively small number of plastic materials will provide the extra features needed to make the paperboard suit-able for a number of specially demanding applications. Extrusion coating is a process whereby molten plastic is applied to paperboard and subsequently chilled to form an extremely thin, smooth layer of uniform thickness. The molten plastic can be used as an adhesive to laminate a plastic film or a metal foil.

 Multilayer Blown Film Plant are used to achieve of Multilayer Blown Film Plant:

• Moisture Protection
• Barrier to Water Vapor, Oxygen, Aroma, etc.
• Grease Resistance
• Heat Salability
• Sales Appeal, for Example Shiny Surfaces.
• Sales Appeal

The use of Multilayer Blown Film Plant paperboard provides outstanding promotional benefits in terms of visual appeal and consumer handling.
High gloss is created by extrusion coating and a specific high gloss chill roll. A metallic effect is created by lamination with aluminum foil or metalized polyester film. These materials and processes also provide tactile sensations of high quality and luxury which the consumer associates with high value products packaged in these materials.

 Examples of Multilayer Blown Film Plant

• PE (polyethylene) extrusion coating of paperboard with a gloss or matt finish. Printing and gluing (with cold glue) can be done on a corona-treated surface.

• PP (polypropylene) and PET (polyethylene terephthalate) are two heat resistant polymers that, applied on the board, can be used in oven applications.

• Aluminum foil and metalized polyester film may be laminated to the paperboard to provide a metallic effect. Printing can be done on a pre-treated surface.

 Functional Coating of Multilayer Blown Film Plant:-
Paperboard as such is suitable for the packaging of dry products in general. However, plain paperboard is only suitable for direct contact with moist and greasy foods to a limited extent, because moisture will affect the mechanic-cal properties of the paperboard, and absorbed grease will cause stains. Such effects will obviously reduce the protective function of the package and may detract from the appearance as well.
Extrusion coating or lamination adds a thin layer of plastic to the paperboard. Plastic coatings can provide resistance to grease and moisture and, where appropriate, be heat resistant. Plastic coatings can be heat sealed and in some constructions these seals can be leak proof. Depending on the application, the paperboard may be extrusion coated on one or two sides.
Aluminum lamination provides packages with a barrier to light, moisture, grease and gases. The aluminum foil is often plastic coated to provide product safety and heat sealing abilities.

 Process description of Multilayer Blown Film Plant:-
• In the Multilayer Blown Film Plant process an extruder forces melted thermoplastic resin through a horizontal slot-die onto a moving web of substrate. The resulting product is a permanently coated web structure. Multilayer Blown Film Plant is a similar process to extrusion coating, where the resin is extruded between two substrates and acts as a bonding agent.
• Inside an Multilayer Blown Film Plant and laminating line the substrates and melt are nipped at a bonding station. This consists of a large roll, a pressure roll, and a counter-pressure roll cooled by water. The combination of the pressure between the rolls and the temperature permits delivery of the correct adhesion level.
• The final product is rewound as a permanently bonded multi-ply laminated structure. Most plastic films and foils require a primer coating before they are used in the extrusion process.


Factory Add :

Ocean Extrusions Pvt Ltd
Plot No. 01, Survey No. 325,
B/h. Jalaram Saw Mill,
Kujad, Daskroi,
Ahmedabad, Gujarat, INDIA - 382430

Corporate Office :

Ocean Extrusions Pvt Ltd
B-101, First Floor,
Galaxy Business Park,
Opp. Torrent Power Station,
Sardar Patel ( SP ) Ring Road,
Nikol, Ahmedabad, Gujarat, INDIA - 382415.

Email: [email protected], [email protected]

Web:
http://www.oceanextrusions.com/
http://www.oceanextrusion.com/
http://www.blownfilmline.in/
http://www.oceanextrusionsmachine.com/
http://www.plasticextrusionmachineman...

Mobile: +91-97243 25400/01