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Air is used to blow the bubble to size. Extruder screw, puller, and winder speeds are increased to provide the desired throughput rate and film gauge.
Bruce
2024-12-1
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Bruce
2024-12-1 08:58
Once the new film passes the top of the tower, the nip rolls are closed and the film continues through to the winder.
Bruce
2024-12-1
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Bruce
2024-12-1 08:57
As the extrudate is removed from the die, it is connected to the old film and pulled through the system at a slow rate.
Bruce
2024-12-1
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21
Bruce
2024-12-1 08:57
To string up the machine, the melt exiting the die is connected to a film that is strung through the film path and hung over the die.
Bruce
2024-12-1
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22
Bruce
2024-12-1 08:57
Compared to cast films, blown films are usually run at a lower melt temperature with lower melt flow index resins.
Bruce
2024-12-1
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20
Bruce
2024-12-1 08:57
Operating a blown film line is similar to other extrusion processes in that the polymer exiting the extruder must have uniform melt temperature and pressure while also being at the proper temperature and pressure.
Bruce
2024-12-1
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15
Bruce
2024-12-1 08:56
Films are typically defined as less than 0.254 mm (10 mils) in thickness, although blown film can be produced as high as 0.5 mm (20 mils)
Bruce
2024-12-1
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Bruce
2024-12-1 08:56
After it is expanded to the desired dimensions it is cooled to solidify the polymer.
Bruce
2024-12-1
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Bruce
2024-12-1 08:56
In this case the extrusion die is shaped as a circle and air pressure is used to further expand the film.
Bruce
2024-12-1
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21
Bruce
2024-12-1 08:55
Blown film is another extrusion processes used to fabricate film products.
Bruce
2024-12-1
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Bruce
2024-12-1 08:55
This unique composition of components offers a range of useful characteristics.
Bruce
2024-12-1
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15
Bruce
2024-12-1 08:55
BiONext is a combination of bioplastic and other components such as reinforced CaCO3 powder, modified starch powder, specific plasticizers, talc, and specific additives.
Bruce
2024-12-1
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Bruce
2024-12-1 08:55
In this regard, EuroPlas is a top masterbatch manufacturer in Vietnam, offering a wide range of bioproducts to meet the needs of various industries.
Bruce
2024-12-1
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Bruce
2024-12-1 08:54
For those looking to incorporate PBAT plastic into their products, finding a reliable supplier is crucial
Bruce
2024-12-1
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16
Bruce
2024-12-1 08:54
In this pursuit, PBAT (polybutylene adipate-co-terephthalate) plastic has emerged as a promising option.
Bruce
2024-12-1
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16
Bruce
2024-12-1 08:54
As environmental concerns grow, more and more companies are looking for eco-friendly and sustainable alternatives to traditional plastics.
Bruce
2024-12-1
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16
Bruce
2024-12-1 08:54
It is important to carefully evaluate the trade-offs between performance, cost, and environmental impact when making a decision.
Bruce
2024-12-1
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Bruce
2024-12-1 08:53
In conclusion, both PBAT vs PLA have their own unique advantages and disadvantages and the choice between them will depend on the specific requirements of the application.
Bruce
2024-12-1
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Bruce
2024-12-1 08:53
PBAT is more expensive to produce compared to traditional petroleum-based plastics, while PLA is typically more expensive compared to PBAT.
Bruce
2024-12-1
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Bruce
2024-12-1 08:53
Both PBAT and PLA are biodegradable and compostable, but PBAT has a faster degradation rate compared to PLA, meaning it will break down more quickly in the environment.
Bruce
2024-12-1
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17
Bruce
2024-12-1 08:53
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