What is the difference between biodegradable plastic bags and recycled plastic bags?

Degradable plastic bags are those that completely degrade into harmless substances such as carbon dioxide, methane, water, and mineral salts under specific conditions or in natural environments. As a new type of polymer material, degradable plastic bags come in many types, and the technological approaches are constantly evolving.

From the perspective of raw materials, degradable plastic bags can be derived from petrochemical resources or biomass materials.

From the perspective of degradation mechanisms, degradable plastic bags include biodegradation, photodegradation, and oxidative degradation.

From the perspective of degradation effects, degradable plastic bags can be divided into “fully” degradable and “partially” degradable.

The main function of degradable plastic bags is to reduce the environmental impact of non-degradable plastic products, which cause “white pollution”, while also providing better opportunities for environmental sustainability, improving environmental quality, reducing environmental pressures, and benefiting human development.

Shunxingyuan Degradable Plastic Bag Collection

Degradable plastic bags have advantages in terms of performance, practicality, degradability, and safety. In terms of performance, degradable plastic bags can achieve or even surpass the performance of traditional plastics in certain specific areas; in terms of practicality, degradable plastic bags have similar application and hygiene performance to similar traditional plastics; in terms of degradability, degradable plastic bags can (specific microorganisms, temperature, humidity) complete degradation relatively quickly after use, becoming fragments or non-toxic gases that are easily utilized by the environment, reducing environmental impact; in terms of safety, degradable plastics bags produce or leave behind substances that are harmless to the environment during degradation, and do not affect the survival of humans and other organisms. However, the biggest obstacle to replacing traditional plastics, and also a disadvantage of degradable plastics, is their higher production cost compared to similar traditional or recycled plastics. Therefore, degradable plastic bags have a greater advantage in applications such as packaging and agricultural films where the usage time is short, recycling and separation are difficult, performance requirements are not high, and impurity content requirements are high.

Recycled plastic bags are plastic raw materials obtained by processing waste plastics through physical or chemical methods such as pretreatment, melt granulation, and modification. The biggest advantage of recycled plastic bags is that they are cheaper than new materials and degradable plastic bags, and their properties can be modified to produce different products. With a limited number of recycling cycles, recycled plastic bags can maintain similar performance to traditional plastic bags, or a stable performance can be maintained by mixing recycled and new materials. However, after multiple cycles, the performance of recycled plastics decreases significantly or becomes unusable. In addition, it is difficult to maintain good hygiene performance in recycled plastic bags while ensuring cost-effectiveness. Therefore, recycled plastic bags are suitable for applications with a limited number of recycling cycles and low hygiene requirements.

Through comparison, Shunxingyuan Packaging, a professional flexible packaging manufacturer, believes that degradable plastic bags have more stable performance and lower recycling costs, making them more advantageous in applications such as packaging and agricultural films where the usage time is short and recycling and separation are difficult; while recycled plastic bags have lower prices and production costs, making them more advantageous in applications such as household goods, building materials, and electrical appliances where the usage time is long and recycling is easy. White pollution mainly comes from the packaging industry, and degradable plastic bags have greater potential. With policy support and cost reduction, the future market prospects for degradable plastic bags are broad.

Dongguan Shunxingyuan Packaging Products Co., Ltd. focuses on the production and sales of packaging bags of various materials, and “green production” is also one of the business philosophies of Dongguan Shunxingyuan Packaging Products Co., Ltd. Shunxingyuan Packaging products are widely used, providing packaging bag solutions for various fields such as clothing and apparel, hardware, electronics, cosmetics, and food. It has a professional R&D team, a capable sales team, and a complete after-sales service system.

Shunxingyuan Packaging's degradable products mainly use degradable raw materials such as polylactic acid ( PLA) and aliphatic aromatic copolyesters (PBAT), which are environmentally friendly materials that can be completely degraded and are internationally recognized biodegradable materials.

Shunxingyuan ISO Certification Certificate

Shunxingyuan BSCI Certification Certificate

Shunxingyuan RGS Certification Certificate

Shunxingyuan Packaging has printing licenses, environmental impact assessments, GRS, D2W, BSCI, ISO and other certifications, and is a professional flexible packaging manufacturer. Shunxingyuan Packaging uses advanced technology to manufacture high-quality products that meet the needs of various industries, with good load-bearing capacity, high toughness, excellent sealing performance, and exquisite printing. They are widely used in clothing and apparel, hardware, electronics, cosmetics, and food industries. On the other hand, it focuses on green production, and its products have inherent environmental protection attributes, greatly contributing to sustainable and green development, and the social and ecological benefits are immeasurable.

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