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Plastic bag contains plastic and is made of plastic. It doesn’t exist in nature and are all manual. It is thin, anti-hygroscopic and durable. Today, in order to produce safe packages, manufacturer use transparent plastic granules that are extracted from petroleum.
Materials used to produce plastic bags are various, and one of the most widely-used material is plastic. Plastic is not naturally available but is separated during the petroleum filtering process.
Today, Vietnam plastic granules are imported from countries with the
most developed industries in the world. Plastic packaging industry has been strongly growing, meeting diverse needs of the customers, leading to the development of the plastic industry.
Every granule type has special features and generally there are 5 types of them:
Transparent, thin light, smooth surface, soft, anti-hygroscopic, easy to get damaged when contacting with strong detergents like alcohol or aromatic essential oils.
Transparent, mechanically strong, abrasion resistant and not affected by the ingredients of food, be able to withstand high temperatures but gas resistance and water resistance are lower than PP, with the price is quite high, so this kind of granule is kinda limited.
Mechanically strong, stiff, not easy to pull, but easy to tear when there is a cut or puncture, produces clear surface pringint, O2 resistant, waterproof, oil resistant,...
We use this type of granule to make bottles due to its high durability, high bearing if there is any impact and high rigidity. Normally, plastic bags are applied commonly in the plastic industry.
Quite stiff and aren’t used to make packages, only used to make plastic goods.
Duong Vinh Hoa is the pioneer who recognizes the potential of the plastic industry and focuses on investing on producing many kinds of plastic bags, “bags contain plastic” to meet huge needs of the customers.
With more than 25 years in the manufacturing and supplying products and “bags contain plastic”, Duong Vinh Hoa commits to provide the best quality “bags contain plastic” to satisfy Vietnamese and international demands.
There are 4 popular types:
Common features of “Bags contain plastic” :
Jumbo (big bag, FIBC, bulk bag ) contains plastic granules that are made of woven PP with the thread thickness suitable for the holding capacity. Depending on customer requests, jumbo bag will appear in white or beige colors.
400kg – 500kg Jumbo bag is usually used to contain plastic granules like pp, pvc, pe,… with weight of 500kg, 750 kg, 1000kg. Moreover, jumbo bag is also used to contain plastic embryos with weight runs from 400 kg to 500kg.
2. “Bags contain plastic” from Kraft paper
Includes a Kraft layer made from Japan ( 70-75gr/m2) + laminated adhesive + woven PP. Specifications of PP bags contaon plastic granules usually are:
For some special products, customers can ask to get an PE layer inside the products to maintain the best quality of the products.
3. “Bags contain plastic’ BOPP woven PP
Is a product made from woven PP combined with PP. If you still find it hard to understand, let take a look at any presen cement bag. This is a very popular and useful product that are highly recommended by experts with another name is “PP bag”.
Its composition usually has the below features: