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The shrink-ability results from polymer chains under stress which upon heating, this stress is released and polymer chains have more freedom to move around and stabilized under more relaxed state upon cooling.

Moreover, The shrink-ability of BOPP film is determined mainly by the orientation process.

Thus, by decreasing the stretching in the machine direction (MD), the shrink-ability in MD will be reduced.

Same for TD.

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Ahmed Kenawy

Lvl 3
8mo ago
This answer is:
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Ahmed Kenawy

Lvl 1
8mo ago
Also annealing step is important in determining the shrink-ability of BOPP film.
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Ahmed Kenawy

Lvl 1
8mo ago
by annealing the film at higher temperature, less stressed chains will exist and consequently, less shrinkage will result

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What does BOPP stand for?

The acronym BOPP can mean Balance of Payments Programmed (finance) or Biaxially Oriented Polypropylene (manufactured plastic). It can also mean Board of Probation and Parole. * As the last half of the comet name Hale-Bopp, it refers to US astronomer Thomas Bopp (1949-2018) who co-discovered it with Alan Hale in 1995.


What is the difference between bopp and opp?

OPP stands for Oriented Polypropylene film, a thin plastic sheeting. BOPP stands for Biaxially Oriented Polyproplene, a clearer, stronger film used in many types of consumer packaging. It has consistent thickness and optical clarity, and offers better protection.


Who discovered the hale-bopp?

The hale-bopp comet is so named for the two astronomers who spotted and confirmed it first. Hale and Bopp.


How was hale-bopp comet discovered?

I'm not sure but I know it was discovered by Alan Hale And Thomas Bopp in1995.


How do you prepare for the arrival of comet Hale Bopp?

The comet Hale Bopp already made an appearance in 1997.The best way to prepare for the arrival of comet Hale Bopp is to do research by viewing what scientists predict.

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What is the difference between polyester film and bopp film?

Polyester is a polymer chain of Ester monomer and BOPP is a Polymer chain of Propylene monomer. Harit Singhvi


What is the density of 20 micron metalized bopp film?

2.2


What is the difference between bopp and cpp film?

CPP film is a plastic extrusion made of polypropylene. BOPP films are bi-directional polypropylene. CPP film is high gloss, has good transparency, is heat resistant, and water resistant.


What is the difference between PP and BOPP?

PP is a polymer that is used in labeling, textiles, and packaging application. BOPP is more of a film that is very resistant can be recycled.


What does BOPP stand for?

The acronym BOPP can mean Balance of Payments Programmed (finance) or Biaxially Oriented Polypropylene (manufactured plastic). It can also mean Board of Probation and Parole. * As the last half of the comet name Hale-Bopp, it refers to US astronomer Thomas Bopp (1949-2018) who co-discovered it with Alan Hale in 1995.


What is BOPP material for packaging?

Bopp is bopp only


What raw material used in bopp film?

Polypropylene Resin is the Raw material for BOPP Filmplease send your email address for the official price quote ?Skype : jianglianbiaoMobile Phone: 0086-13856287371


What does shrinkage temperature steel do?

Steel bars laid in concrete to reduce cracking do to temperature change


What is the difference between bopp and opp?

OPP stands for Oriented Polypropylene film, a thin plastic sheeting. BOPP stands for Biaxially Oriented Polyproplene, a clearer, stronger film used in many types of consumer packaging. It has consistent thickness and optical clarity, and offers better protection.


When was Yesica Bopp born?

Yesica Bopp was born in 1984.


When did Raul Bopp die?

Raul Bopp died in 1984.


When was Raul Bopp born?

Raul Bopp was born in 1898.