How to Correctly Identify and Use Plastic Food Bags?

The detection of plastic bags can use the following methods to detect toxic and non-toxic plastic bags.

Sensory testing method: non-toxic plastic bags are milky white, translucent, or colorless and transparent, flexible, smooth to the touch, and waxy on the surface; toxic plastic bags are cloudy or light yellow in color, and feel sticky and astringent.

Water testing method: Put the plastic bag in the water and press it into the bottom of the water. The non-toxic plastic bag has a small specific gravity and can surface. The toxic plastic bag has a large specific gravity and sinks.

Supermarket Food Plastic Bags‍

Supermarket Food Plastic Bags

Fire detection method: non-toxic polyethylene plastic bag is flammable, the flame is blue, the upper end is yellow, and it drips like candle tears when burning, has a paraffin smell, less smoke, and toxic PVC plastic bags are not flammable and away from the fire When it is extinguished, the flame is yellow, the bottom is green, it can be softened and can be drawn, and it has a pungent odor of hydrochloric acid.

Smell detection method: Plastic bags made of recycled materials have an unpleasant smell.

Shake detection method: grasp one end of the plastic bag with your hand and shake it vigorously. Those with a crisp sound are non-toxic; those with a dull sound are poisonous.

Use of plastic bags

Although the plastic food packaging of formal production is safe, it is necessary to pay attention to the method in use, otherwise it will bring negative effects.

Do not use plastic bags for high-temperature food for a long time: In daily life, people often see people use plastic bags for steaming fried food, such as fried cakes, fried dough sticks, etc., and some people put plastic bags on tableware for customers use. Plastic bags contain hot food directly ingested. When the temperature exceeds 50 ℃, the plastic bags will release toxic gas. Long-term use of such plastic bags will cause dizziness, nausea, vomiting, diarrhea, etc. It can lead to lead poisoning and increase the probability of cancer.

Do not use general plastic bags to heat in a microwave oven: use a microwave oven to heat food, preferably a microwave oven special plastic bag and special container.

Do not use general plastic bags to pack food and store it in the refrigerator: use plastic wrap for refrigerated and frozen food in the refrigerator instead of ordinary plastic bags. Due to the special technology and raw materials of the cling film, it has good air permeability and fresh-keeping performance. However, if the ordinary plastic bag is used for a long time, the food will quickly deteriorate and rot, failing to achieve the purpose of fresh-keeping.

Our company also has Supermarket Food Plastic Bags on sale, welcome to contact us.

评论

发表评论

此博客中的热门博文

Why Choose Fengyi Plastic as Your Plastic Bag Manufacturer

图片
Over the years, there has been much discussion about plastic bags and their harmful effects on the environment and people. However, this hasn't affected their popularity. Why? Because they are the most cost effective, easy to use and easy to store packaging option. They benefit retailers and consumers in a variety of ways, so despite all the drawbacks, they remain a popular packaging option. Aware of the growing demand for clear plastic bags and other types of recyclable plastic bags, they are mass produced at wholesale prices.Fengyi has been one of the leading manufacturers of such plastic bags for over two decades. Now, you may ask, what makes   Fengyi Plastics   one of the leading manufacturers of small clear plastic plastic bags? Let us know why!   Top 5 Reasons to Choose General Plastics for Sourcing Plastic Bags When it comes to plastic bags, Fengyi is the name you can trust! Here's what sets us apart from other manufacturers. Extensive product portfolio under one roof: Y
阅读全文

What kind of plastic bags can I recycle?

图片
Plastic bag recycling (also known as plastic film recycling) can get tricky if you don't know what kind of plastic the bags are made of. Grocery store drop-off bins for plastic bag recycling accept polyethylene film, which includes high-density polyethylene (also known as HDPE or #2 plastic) and low-density polyethylene (also known as #4 plastic or LDPE). Most bags marked as #2 HDPE or #4 LDPE will fit in the drop box with your regular plastic shopping bags. However, many perfectly acceptable bags are not labeled as to what plastic they are - such as bread bags and Ziploc bags. When you take them back to the grocery store for recycling, you can actually put the bread bags and Ziploc bags in with the plastic grocery bags. Just make sure they're dry and clean and completely free of food debris. But it's true, frozen vegetable bags are not accepted. This is because the plastic in these bags usually contains additives or layers of other materials to protect the food. Additives
阅读全文

Learn Which Vacuum Bags are Best for Your Food

图片
Storing food in vacuum sealed bags is very common and convenient at the home and commercial level. There are vacuum-sealed bags that can be refrigerated or even frozen, thawed, and then heated. These bags require FDA-approved, high-quality, thick plastic to store food in because the bags can withstand hot and cold temperatures. They should not melt when heated and should not break and tear when frozen. This happens when low-quality thin plastic bags are used, so the FDA has separate standards for storing food because there should be no risk of melted plastic getting inside the food. This article discusses the various types of storage vacuum bags and which ones are best for storing food.   Types of plastic vacuum storage bags There are many different types, sizes, and uses of vacuum seal bags. Here are some of the bags that are considered to be the best for storing food. Laminated or vacuum bags. These are pre-cut bags with an external suction vacuum sealer. The pouches are usually betw
阅读全文