Used machines for sale
 Blown film extrusion
Main brands:
, Mega Steel
|
| Blown film extrusion |
Stretch film extruders are equipment used in the polymer industry to produce stretch film, a type of stretchable plastic film widely used to wrap and protect cargo during transportation and storage. Here is an explanation of its function, functioning and types:
Function:
Stretch Film Production: The main function of stretch film extruders is to produce continuous rolls of stretch film from polymer resins such as linear low-density polyethylene (LLDPE) or low-density polyethylene (LDPE).
Packaging and Protection: Stretch film is used to wrap and protect palletized loads during transport, preventing damage, dust and humidity.
Load Stabilization: Stretch film helps stabilize and consolidate loads, keeping them firm and safe during handling and transport.
Operation:
The basic operation of a stretch film extruder involves the following steps:
Resin Feeding: Polymer resin is fed into the extruder, usually in the form of granules or pellets.
Melting and Mixing: The resin is melted and mixed in a heated cylinder, forming a homogeneous molten polymer.
Extrusion: The molten polymer is extruded through a flat or annular die, forming a continuous film.
Stretching and Cooling: The film is stretched lengthwise and crosswise using rollers or stretching systems to create the stretch film, while being cooled to maintain its shape.
Winding: Stretch film is wound into large rolls for storage and distribution.
Types of Stretch Film Extruders:
Monofilm Extruders: Produce a single layer of stretch film.
Multifilm Extruders: Allow the production of stretch film with multiple layers, offering specific properties, such as puncture resistance and gas barrier.
Extruders Co-extruders: They are capable of producing stretch film with multiple layers of different materials, providing a combination of desired properties, such as resistance and adhesion.
Stretching Extruders: Allow the film to be stretched in both the longitudinal and transverse directions during production, thus adjusting its final properties.
The choice of stretch film extruder type depends on production specifications, desired film properties and market demands. The polymer industry continually develops new technologies and improvements to optimize stretch film production and meet customer needs. |
|
|
|
|
|
Visitation: Schedule date for visitation and check equipment availability. Merely illustrative images.
|
|
|
| |
|
|
Photos and images sent by email will be considered as ad authorization on our websites and marketing.
Camargo Industrial has no responsability for the data delivered by the advertiser, (Operation, technical, maintenance, warranties, technical delivery) and registration of the same data, exempting Camargo Industrial responsibilities on the veracity of the information described, civil and criminally.
The advertiser declares that the equipment is their property, settled without alienation, pending fiscal or judicial attachment.
Standard Work Safety of Machines and Equipment (NR12): 12.1.1. Camargo Industrial does not participate in the use phase construction, transport, assembly, installation, adjustment, operation, cleaning, maintenance, inspection, decommissioning and dismantling of machinery or equipment, any such liability of the seller attributes and / or buyer, relieving - any responsibility Camargo Industrial.
|
 |
| |
|
