What are the characteristics of different materials of seasoning plastic bottles?

There are many types of materials used in plastic bottles for seasoning. Choosing the appropriate material based on the characteristics and needs of the seasoning is crucial for maintaining its quality and extending its shelf life. This article will introduce several common types of seasoning plastic bottle materials and their characteristics.

 Polyethylene (PE)

Polyethylene is a common plastic material suitable for making seasoning bottles. Polyethylene is divided into two types: high-density polyethylene (HDPE) and low-density polyethylene (LDPE).

High density polyethylene (HDPE)

High density polyethylene has good rigidity and impact resistance, which can effectively protect seasonings from external compression or impact. In addition, HDPE also has good corrosion resistance and heat resistance, which can maintain the freshness and quality of seasoning.

Low density polyethylene (LDPE)

Low density polyethylene has good flexibility and stretchability, making it suitable for making easily squeezed seasoning bottles. LDPE has good chemical resistance and will not react with seasonings, thus maintaining the original taste and quality of the seasoning.

 Polypropylene (PP)

Polypropylene is a plastic material that is heat resistant, chemical resistant, and impact resistant, suitable for manufacturing seasoning bottles. Polypropylene has good rigidity and high temperature resistance, which can maintain the freshness and quality of seasonings. In addition, polypropylene also has good glossiness and transparency, making it an ideal seasoning bottle material.

 Polyvinyl alcohol ester (EVOH)

Polyvinyl alcohol esters have good barrier properties and chemical resistance, making them suitable for manufacturing seasoning bottles. EVOH has excellent oxygen barrier performance, which can effectively prevent oxygen from entering the seasoning bottle, thereby extending the shelf life of the seasoning. In addition, EVOH also has good acid alkali resistance and high temperature resistance, which can maintain the freshness and quality of seasonings.

Polystyrene (PS)

Polystyrene is a commonly used plastic material suitable for making seasoning bottles. Polystyrene has good transparency and glossiness, which can effectively display the color and appearance of seasonings. In addition, PS also has good insulation performance, which can effectively prevent heat exchange and maintain the freshness and quality of seasoning.

Polyethylene terephthalate (PET)

Polyethylene terephthalate is a very suitable plastic material for making seasoning bottles. PET has good transparency and glossiness, which can effectively display the color and appearance of seasonings. In addition, PET also has good mechanical properties and high temperature resistance, which can maintain the freshness and quality of seasonings.

 Polycarbonate (PC)

Polycarbonate is a highly transparent plastic material suitable for making seasoning bottles. PC has good impact resistance and high temperature resistance, which can maintain the freshness and quality of seasonings. In addition, PC also has good UV resistance and UV resistance, which can resist external light and extend the shelf life of seasonings.

 Copolymer ester (PCTG)

Copolyester is a new type of plastic material that can be used to make seasoning bottles. PCTG has good chemical resistance and impact resistance, and will not react with seasonings, thus maintaining the original flavor and quality of the seasoning. In addition, PCTG also has good high-temperature stability and mechanical properties, which can maintain the freshness and quality of seasonings.

In short, choosing the appropriate plastic bottle material for seasoning is very important. It can not only maintain the quality and extend the shelf life of the seasoning, but also increase consumers' trust in the seasoning. Different materials have different characteristics and applicability, and it is necessary to choose the appropriate plastic bottle material based on the characteristics and needs of seasonings.