Several Types and Uses Of Packing Supplies
Packing supplies are classified into express plastic bags, express document seals, express bubble bags, express bone bags, express woven bags, etc. Today, I will focus on express bubble bags and express plastic bags.
Express bubble bag refers to a transparent flexible packaging bag specially used in the express industry made of low-density polyethylene (LDPE). The film contains air to form bubbles to prevent the product from impacting, ensuring that the product is protected when it is subjected to vibration, and also has the effect of thermal insulation, which is suitable for different product packaging or turnover in the express delivery industry. It is mainly used for the packaging of small, fragile, fragile, and less precise goods in the express delivery industry. The express bubble bag is equipped with a shock-absorbing bubble film. There are countless small bubbles in the bubble film, so it is light and elastic, and has the advantages of good shock absorption, impact resistance, non-toxic, odorless, moisture-proof and corrosion-resistant. There are two types of express bubble bags: single-sided and double-sided. Single-sided bubble bags are suitable for protecting light-weight products. Double-sided bubble bags have strong shock resistance and are suitable for packaging larger and heavier items.
Express bag refers to the bag used for packaging documents, documents, materials, goods, etc. in the express industry. Also known as courier bags, mailing bags, express packaging bags.
The plastic express bag made of polyethylene material is used more, which has the characteristics of low cost, convenient use and good waterproof performance.
In addition to the use of customized packing supplies by major express companies, there is also the online shopping industry. In order to give customers a good image, enhance their image, and play a promotional role, they also customize packing supplies with their own characteristics.
The use of packing supplies of other materials is more accurate, and the materials will be screened according to different usage scenarios. The existing mainstream packing supplies are as follows:
1.Courier bag material: low-density polyethylene (LDPE) is usually referred to as PE, high-density polyethylene (HDPE) is usually referred to as PO, and courier bags have the advantages of low cost and light weight.
The difference between PE and PO in express plastic bags: PE has better transparency and softness, and the printing color is brighter; PO has relatively good mechanical properties; PE is used as the main material in domestic packing supplies, while foreign countries generally use PE. PE and PO composites are used as the main materials of packing supplies.
There are two categories of polyethylene packing supplies in the market: one is the new material express bag, and the other is the recycled material express bag
2.Courier document seal material: generally white cardboard with gray background, white cardboard, kraft cardboard, mostly. The express industry generally uses paper with a weight of 200 g/m2 to 450 g/m2. Compared with express plastic bags, express document seals have the advantages of being flat and not easily broken.
3.Express bubble bag material: a transparent flexible packaging bag filled with air in the middle layer of the air cushion film. It is mainly used for the packaging of small, fragile, easily damaged, and less precise goods in the express delivery industry. The express bubble bag is equipped with a shock-absorbing bubble film. There are countless small bubbles in the bubble film, so it is light and elastic, and has the advantages of good shock absorption, impact resistance, non-toxic, odorless, moisture-proof and corrosion-resistant.
4.Express bone bag material: bone bag (also known as dense bag, free bag, sealed bag, zipper bag, self-sealing bag, polyethylene (LDPE) and high-pressure linear polyethylene (LLDPE) through blown film molding, eagerly cut Mechanism bag, a kind of plastic bag that can be resealed. Bone bag can be used for the inner and outer packaging of various small items. The self-sealing bag produced with food-grade raw materials can store various small food, tea, seafood, etc., moisture-proof , Waterproof, insect-proof, prevent things from being scattered.
5.Express woven bag: also known as snakeskin bag. It is a kind of plastic, used for packaging, and its raw materials are generally polyethylene, polypropylene and other chemical plastic raw materials. The color of woven bags is generally white or off-white, non-toxic and tasteless, and generally less harmful to human body. Although it is made of various chemical plastics, it is environmentally friendly and has strong recycling efforts; it is mainly used in various It is used for packaging and packaging of articles, and has a wide range of industrial uses.
packing supplies are classified according to raw materials: there are new material packing supplies, semi-new material packing supplies, and recycled material packing supplies.
packing supplies are classified according to whether they are printed: printed packing supplies, non-printed packing supplies.
packing supplies are classified according to whether they are folded bottom organs: there are folded bottom organs, and no folded bottom organs.
packing supplies according to whether to add additional bags: with additional bags, without additional bags.
According to the needs of express companies, online shopping website sellers and other businesses, the commonly used sizes of packing supplies are generally:
Small size of express bag: 17X35, 25X38 thickness is 0.06mm
The size of the express bag: 28*42, 38*52, the thickness is 0.06mm
Large size of express bag: 45X60, 50X65 thickness is 0.07mm~0.1mm
The size of the courier bag needs to be different depending on the size of the courier. Some are mailing package documents, and some are packaging electronic products, so the size requirements are different. Usually divided into three sizes.
The size of the courier bag needs to be different depending on the size of the courier. Some are mailing package documents, and some are packaging electronic products, so the size requirements are different. Generally based on the experience of previous customer orders, usually large and medium-sized packing supplies are used during holidays, and in general periods, there are basically more small-sized bags.