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how do i tell if it is food grade plastic? - polyethylene terephthalate

by:Cailong     2019-07-27
how do i tell if it is food grade plastic?  -  polyethylene terephthalate
Only seven plastics are considered "food grade" in the United States ". S.
Food and Drug Administration
The plastic used for packaging food must be of high quality and must not contain harmful dyes or chemicals.
The Plastics Industry Association was founded seven times.
Food classification and labeling systemgrade plastics.
Learn how to judge whether a plastic container is food or not
Grade plastic is easy.
Find a triangle-
Label of rounded shape made with three arrows, then check the number of the Center to determine the type of plastic in the container.
Pet (PET)
Because it has better gas, it is most commonly used in bottles carrying carbonated drinks
Than other plastics contain properties.
It is most commonly used in water bottles, beer and detergent. High-
Density Polyethylene (HDPE)
Is the preferred plastic for milk and juice cans and other items that need to be placed in rigid containers.
Not only does high density polyethylene have excellent moisture
Patience, it is also resistant to household chemistry and detergents.
In addition to milk bottles, can also be in 5-
A gallon of food barrels and disposable shopping bags.
It is important to note that not all high density polyethylene containers are considered foodgrade.
If it is not specifically marked as "food safety", the container should be lined with food --
Before storing food in a plastic bag, grade the plastic bag first.
For all kinds of food packaging.
It is transparent and sturdy, it is easy to stick to food when used as a package, but it also allows enough oxygen to pass through its surface for products that require "breathing"
Garden hoses and soles are also often made of PVC, as are white plastic pipes for home pipes. Low-
Density Polyethylene (LDPE)
Similar to high density polyethylene, but more flexible, for the manufacture of extrusion bottles and tubes.
It is clear and strong and often used as a food package and garbage bag.
Also used as a coating for milk boxes. Polypropylene (PP)
Perfect for products that contain hot bottling and allow cooling before shipment.
It has a high melting point and is usually used for foods containing hot packaging such as ketchup or maple syrup.
It is very strong and can be used for twisting-
On the cap and lid, such as the type on the water bottle, and on the fast-
Food restaurant.
Plastic storage containers sold in large quantities are usually made of PP. Polystyrene (PP)
It is an excellent insulator that is often injected with air for making foam packaging products such as egg boxes, coffee cups and meat plates.
The tray in the cafeteria uses more rigid polystyrene.
"7-for all other types of plastic-
Other "names, covering a variety of materials including acrylic, fiberglass, nylon and polycarbonate.
Plastic marked Grade 7 should pay special attention to "food safety" before it is used for packaging or handling food ".
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