LAMEX series of extrusion coating and lamination lines are designed for absolute ease of operation and are available in a host of configurations to suit individual customer's requirements for width range from 800 – 1600 mm, line speed from 250-400 m/min for coating & lamination of various substrates like CPP/BOPET/BOPP/LDPE and sealant films with a range of polymers – PP, LLDPE, LDPE, EVA, EMA and other exotic polymers.

LamEX lines are offered with different configurations of Mono-Extrusion Coating, Lamination Coating, Co - Extrusion Coating, Tandem or multistage extrusion coating. The extrusion coating process is an excellent method to combine a thin polymer layer, typically polyethylene with polyester, biaxially oriented polypropylene, paper based materials and aluminum foil.

Typical line capabilities

• Extrusion coating and laminating of film, paper and aluminum foils
• Surface treatment by corona treating, chemical priming
• Processing capabilities for LDPE, LLDPE, lonomer, PP, EVA, EMA, EVOH and others exotic polymers
• Single and tandem automatic die stations, with or without co-extrusion
• Co-extrusion using universal feed-block technology
• Extruder size selected to meet process requirements for output and coating thickness

For the producer of packaging materials particularly, in the sensitive perishable food and medical sectors, a number of attributes have to be embodied in the product according to the demands of the applications :

• Interlayer adhesion
• Heat seal-ability: no leakers.
• Machine-ability: high speed packaging
• Surface properties: easily printable
• Physical strength: impact and puncture resistance
• Balanced properties in the machine and transverse directions of the film
• Controlled moisture vapor transmission rate (MVTR)
• Controlled oxygen transmission rate (OTR)
• Product resistance to acids, alcohols, vegetable oils etc.
• No loss of nutrients, aroma and moisture
• Heat sterilize-able (optional)
• Opaqueness to UV light to reduce rancidity

Applications

• Aseptic packaging
• Paper cup and plate stock
• Decorative boxes
• Cigarette boxes
• Milk and juice cartons
• PET food boxes
• Snack food bags
• Medical packaging
• Condiment packs
• Soup sachets
• Toothpaste/pharma/tubes
• Woven sacks

To meet the principal application of extrusion coating / lamination while mono Extruder is good enough, but for flexibility to play with various polymers, co-Extruders are more useful. Co-extruders save material cost and also play an important role in enhancing barrier properties of coated films.

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