Q: What is sheet extrusion line?

The sheet extrusion line can produce different forms of plates according to the different die into hollow, flat, and thin plates that have different characteristics. On the basis of their characteristics, they can be further processed by thermoplastic forming and other processing. Widely use in stationery products, billboards, luggage, auto parts, packaging materials, etc.

Question 1

How is meltblown made?

Accepted Answer

The melted molecules are squeezed into the high-speed hot airflow through the extruder. And then the polymer melt is spun out through the spinneret of the ultra-fine nozzle to form ultra-fine fibers, which are blown vertically onto the collector screen and accumulated into ultra-fine fibers. The ultra-fine fibers of the meltblown non-woven fabrics can absorb static electricity in the meltblown non-woven fabrics through the electrostatic electret technology, so that it can absorb viruses and bacteria that have penetrated the surface. It is very suitable for composites that require filtration, shielding, heat insulation, and oil absorption. For example, materials separately for masks , air/ liquid filter, thermal insulation, isolation, sound insulation, environmentally friendly oil-absorbing and wipe papers.

Question 2

What is “Extrusion”?

Accepted Answer

"Extrusion" refers to a processing method in which polymer particles are heated and plasticized into a melt by an extrusion screw, then pushed backward with the screw and continuously passed through a filter screen, gear pump, and die to make various flat products or semi-products.

The main body of the extrusion equipment is the extruder and die, in addition to the auxiliary equipment in the rear section such as feeding, oven, cooling, pull off the unit, cutting, and winder unit. In actual production, the main body and auxiliary equipment are often connected to form a unit, which is convenient for operation and recording. The extruder is divided into a single-screw extruder, twin-screw, and multi-shaft extruder according to the number of screws.

Question 3

How to choose a suitable extruder?

Accepted Answer

According to product characteristics to assist clients in evaluating and recommending suitable extrusion models, also can customize machines for clients.

Please provide the following information before the assessment:

1. Company name

2. The width, length, thickness of the output product

3. What kind of plastic raw material to use

4. Applied to what kind of end product

Question 4

What assistance could get from Leader for the client without experience of using extrusion?

Accepted Answer

In order to ensure that customers can introduce mass production in the shortest time, LEADER can offer service below items:

Assist in the analysis of the raw material composition
Model evaluation and planning
Plant infrastructure planning
Equipment installation
Education and training
Formal post-production maintenance guidance and complete after-sales service

With a turn-key business philosophy, we help customers enter the market as quickly as possible.

Question 5

What is sheet extrusion line?

Accepted Answer

The sheet extrusion line can produce different forms of plates according to the different die into hollow, flat, and thin plates that have different characteristics. On the basis of their characteristics, they can be further processed by thermoplastic forming and other processing.
Widely use in stationery products, billboards, luggage, auto parts, packaging materials, etc.

Question 6

What is film extrusion line?

Accepted Answer

The film is produced by the casting method, the resin is melted by the extruder and squeezed through a die, and attached to the cooling calendar wheel, stretching, trimming, winding, and other processes.
Film technology is widely used in industries such as semiconductors, machinery, livelihood, optoelectronics, energy, environmental protection, biomedicine, and nanometers.
Through the composition of different plastic raw materials produced in different functional films, which are widely used in the above industries that it is an indispensable part of the market.

The film extrusion line from LEADER could produce the below type of file:

TPU Film: Made of environmentally friendly materials, it is waterproof and has the characteristics of automatic recovery after extension. It is effectively used in anti-scratch, explosion-proof products.
Micro-/Nano-Layer Film: The film is flexible and through the layering effect strengthens the layered adhesion, so as to improve the product tension. Widely used in the heat-sealing film, synthetic paper labels, food packaging, pharmaceutical packaging, festive decorations, and sequins.
PET Shrink Film: It is known for its excellent transparency and barrier properties. After bisynchronous stretching, film transparency is especially high. PET shrink film is used for generic packaging, labeling, special packaging (such as for DVDs), baked goods, keeping fresh fruits and vegetables, and synthetic paper labels.

Question 7

Does the extruder have a warranty?

Accepted Answer

All machines manufactured by Leader come with a one-year warranty service after installation.

Question 8

Is there any maintenance service for the extrusion machine?

Accepted Answer

If there has any problem with the machine, you can contact us at any time, and we will respond as soon as possible.

After the problem is determined, the after-sales service department will send the technician to your factory to solve the problem.

FAQ About Meltblown and Sheet- / Film Extrusion Line