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Polypropylene (PP) is a good choice for product packaging because it is a highly durable material in both container and closure forms. PP is a good barrier against moisture, oil, and alcohol and it is resistant to many chemicals. The shortage of PP material lies in: it is easy to get oxidized and aged.
Polystyrene (PS) material is non-toxic by itself, but in the production of disposable tablewares, a lot of prohibited additives will be added into this material. And such kind of additives will dissolve with water, vinegar, oil and other things in the food. These dissolved material will go into human body, resulting in bad indigestion, partial ache and other kinds of diseases. That is why some areas have prohibited the usage of PS material in the industry of food packaging.
Polyethylene terephthalate (PET), a common plastic material known for its characteristic of durability, is capable of preserving a product's original aroma and taste. In comparison to the traditional PS cups, the PET material cups are more durable, stronger, transparent, chemical-resistant and crack-resistant. It is widely used as environmental-friendly material.
What else can I help you with?
What is pp sample in garment industry?
Production Planning
What is the difference between ismb and npb?
ismb vs npb
What is the difference between performance of 89c51 and 89s51?
The difference between performance of 89c51 and 89s51 is that the 89c51 has a standard 51 core. The 89c51 program cannot be directly ported to 51 compared to the 89s51.
Hardness difference between mild steel and EN8?
no more answers
Difference between coordination and control mixed?
differentiate coordination and control
What is the difference between a walther ppk and a walther ppks?
The PPK/s is a PP with a PPK slide.
What is cp plastic?
what is major difference b/w cp plastic & pp plastic? can we use pp inplace of cp plastic? Basic difference
What is the difference between a walther ppk and ppks pistol grips?
plenty of difference the ppks is a shortened version of the walther pp - it is not a ppk - thanks to stupid govt regulations
What is the difference between the LG Chocolate cell phone and the LG Chocolate pp cell phone?
the new one has a spinny whelly thingy
what what's the difference in reproductive system a cow and foul?
The pp
What is the difference between recipe and routing in sap pp?
It is basically the same. The routing is used in discrete manufacturing, the recipe is used for the process industry solution.
Can an opponent's Pokemon run out of pp?
yes if you battle a Pokemon long enough it will use struggle
What are the results of a cross between parents with genotypes Pp and pp?
The results would be a 50% chance of offspring with genotype Pp and a 50% chance of offspring with genotype pp. This is because the parent with genotype Pp can pass on either a P or a p allele, while the parent with genotype pp can only pass on a p allele.
In pea plants purple flowers are dominant to white flowers what is the punnet square?
It depends. If the cross is homozygous, then the punnett square will be PPXpp P P p Pp pp p Pp pp Heterozygous PpXPp P p P PP Pp p PP pp If you know how to do the geno and the phenotypes then you're all set
What is the relationship between the CS and PS graph in economics?
In economics, the relationship between the consumer surplus (CS) and producer surplus (PS) graph shows the benefits that consumers and producers receive from a transaction. Consumer surplus represents the difference between what consumers are willing to pay for a good or service and what they actually pay, while producer surplus represents the difference between the price producers receive and the minimum price they are willing to accept. The combined area of the CS and PS graph represents the total economic welfare generated by a transaction.
What is the difference between PS vita 3g and PS vita wi fi?
As the names imply, the 3G/Wifi Model supports 3G, assuming you have it, whereas the Wifi model only supports standard Wifi.
What two numbers have the sum of 18 whose difference is 2?
the 2 numbers are pp and caca
