Specifications and precautions for commonly used blow molding bottles


At present, most of the medicines, nutritional suppleme […]

At present, most of the medicines, nutritional supplements, and various foods and drinks sold in the domestic market are packaged in plastic blow-molded bottles. You can go to the pharmacy or supermarket and you can find products packed in blow-molded bottles everywhere. Polyester bottles (PET bottles) and high-density polyethylene bottles (HDPE bottles) are mainly used for medicines and nutritional health products. Polyester bottles (PET) are mainly used for drinks. High-density polyethylene is used for daily products such as shampoos and shower gels. There are more bottles (HDPE bottles). The biggest feature of plastic bottles is light weight, not fragile, clean and beautiful, and some of its technical indicators and a lot of data show that its chemical resistance, water vapor permeability and sealing performance are excellent, it can completely The product acts as a safety shield and protection.

Specifications of commonly used plastic blow molding bottles

The specifications of plastic bottles are various. The small ones are 10ml, 20ml, etc., the large ones are 500ml, 1000ml, there are transparent, translucent, there are many colors, the shapes are various, and generally round shapes are used. Plastic bottle.

Precautions for the production and purchase of plastic bottle manufacturers are as follows:

1. Manufacturers of blown bottles should pay attention to the product quality standards of plastic bottles.

The quality of the product can be analyzed and judged from the product quality standards of the production plant. Manufacturers of plastic bottles should pay attention to the quality assurance system. Auditing suppliers has become an essential part of purchasing plastic bottles. Through the audit, a comprehensive and correct assessment can be made of the comprehensive level of software and hardware facilities, technical equipment and quality of the production plant.

2. Manufacturers of plastic blown bottles should pay attention to the tightness of the bottle body and the cap, and the water vapor permeability.

Sealability and water vapor permeability are two important technical indicators of plastic bottles. They have an important impact on the stability of the packaged product. Plastic bottle manufacturers should pay attention to the use of recycled materials for packaging medicines, nutritional health products, food and beverages.

3, no matter what raw materials the plastic bottle manufacturer chooses, the plastic bottle must first meet the requirements of non-toxic and non-odor.

Due to the variety of main raw materials that can be selected, it is necessary to select the comprehensive properties of the raw materials. Generally, high-density polyethylene and polypropylene are used for tablets. Polyester bottles (PET bottles) can be used for transparency. Higher, and light-blocking, opaque, brown PET bottles are used, and liquid or liquid pharmaceuticals generally use polypropylene or polyester bottles as the main raw material. At present, domestic packaging bottles of nutritional health products and food are mainly made of PET material or HPDE, and bottle caps are made of PP material.