
What is stretch film and what is its use?
You must have paid attention to the packaging of various materials in different industries such as food packaging, but you may not have paid attention to its details and did not know what type and why it should be used that way.
Stretch film is one of the most widely used nylon products, which allows companies and individuals to make more economical and high-quality packaging for industrial, agricultural or food packaging.
In fact, stretch film is the same cellophane that is used in the packaging of some electrical appliances, soft drink bottles, etc.
This product is wrapped around the package with the help of a stretch device to provide more protection and a better appearance and prevent dust and water from entering the product.
Stretch film is produced with standard and hygienic methods in factories. The made stretch film must be transparent, anti-vapor and have the ability to adjust the oxygen content of the desired material.
The best cellophane for food packaging is stretch film. Stretch film is produced and sold in varieties of one to five layers and with different sizes and dimensions.
The most important feature of stretch film is its elasticity, which can reach 4 times its initial length.
It is this tension that reduces the amount of nylon consumption and creates more strength.
According to the customer's request and depending on the application, other features may be added to the stretch film, such as UV and special color.
Stay with Petroplast in this article.
"Everything about Strange film and its uses"
Getting to know the types of stretch film
As we mentioned above, this product is not only used in food packaging, and it has different types for use in the field of work.
- food stretch: It is used for packing all kinds of food (meat, chicken, fish, fruits and vegetables, etc.) and has its own characteristics.
- Stretch furniture: It is used for packing furniture and tables.
- Industrial stretch: It can be used in the packaging of industrial goods.
- Stretch silage: It is used in livestock fodder packaging.
- Stretch pallet strap: For packing all kinds of pallets, blocks, Light block And... it is used that the thickness of this type reaches up to 23 microns.
Application of stretch film
Stretch film is used for cheap packaging and product protection.
Among the industries that use this packaging, the following can be mentioned:
- Manufacturers of tiles, ceramics, bricks and cement blocks
- Factories producing industrial parts
- Packaging of food, beverage and pharmaceutical products
- Automobile manufacturing, bumper manufacturing and component manufacturing
- Kitchen appliances
- palletizing
- coloring
- Glue and resin production
- Computers and accessories
- toy
- Production of pipes and hoses
- Wallpaper production
- Wooden and polyester frames
What are the methods of using stretch film?
Hand stretch film
In this type of stretch film, depending on the number and size of the product, one or more people wrap the stretch roll around the desired package and it is usually used in baking, cooking, garden products such as vegetables, etc.
Since stretching is done by hand, the rolls must have a certain elasticity and softness.
The speed of work in this type of stretch film is very low and the cost of manpower increases and it is very time consuming.
Machine stretch roll
In this method, devices such as airport stretch pallet machine, horizontal screw stretch machine, etc. are used.
Because they use a machine to stretch the stretch film, the thickness, length and stretch of these nylons are considered more than manual models.
This method is more used in industries and because the work is done automatically and it makes the product to be packed in less time and with higher quality without human help.
Do you know the benefits of stretch film?!
Using stretch film in packaging has some advantages that you definitely know about. For better understanding, we mention some of these benefits, which are:
- It prevents dust and pollution from entering the desired product.
- It prevents the penetration of moisture.
- It sticks on the body of the product and makes the packaging stronger.
- The use of stretch has good resistance against tearing and punctures; Because the stretch factor in stretch film is high and it does not tear easily.
- The stretching property of stretch film makes it possible to pack several products and goods together without shaking and getting damaged.
- They are not very expensive and cause a significant reduction in packaging.
What are the important features of a stretch film?
- The higher the number of nylon layers, the higher its strength and resistance.
- Thickness: This feature is typically around 5 to 23 microns, the thicker it is, the stronger it is.
- elasticity
- The amount of adhesion
- Resistant to UV rays of the sun
Important point for buying stretch film
When buying stretch film , note that a high-quality stretch film must have good adhesion in addition to high resistance to stretching and tearing.
To buy, be sure to go to reputable centers and to get more information in this field, you can contact Petroplast experts.
last word
Stretch film gives you the most cost-effective and high-quality packaging, so don't hesitate to choose it for packaging.
If you have any experience in this field, share it with us and others at the end.