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PET plastic sheet is a sheet or sheet made of polyethylene terephthalate (Polyethylene terephthalate). Polyethylene terephthalate, often referred to simply as PET, is a thermoplastic polymer and one of the common plastic materials. It is also one of the most common pharmaceutical packaging materials.
Pharmaceutical manufacturers usually choose different types of plastic sheets and PET plastic sheets in combination according to their own needs to meet the specific requirements of the product. Examples include materials with enhanced moisture resistance or resistance to specific chemicals.
There are several reasons for choosing PET (polyethylene terephthalate) plastic sheets for pharmaceutical packaging:
In pharmaceutical packaging, PET plastic sheet flakes are used to make a variety of containers, including bottles, jars, blister packs and trays. These containers are commonly used to package pharmaceuticals in the form of solid oral medications, tablets, capsules and powders.
The production or manufacturing process of PET plastic sheets for pharmaceutical packaging typically involves several steps. Here is an overview of the process:
1. Raw Material Preparation: The primary raw material used in PET plastic production is polyethylene terephthalate resin. The resin pellets are received from suppliers and checked for quality and consistency.
2. Extrusion: The first step in the manufacturing process is extrusion. The PET resin pellets are fed into an extruder, where they are melted and formed into a continuous molten mass. This molten material is then forced through a flat die to create a thin, continuous sheet of PET plastic.
3. Cooling and Solidification: After extrusion, the PET plastic sheet passes through a series of cooling rollers or a cooling bath to lower its temperature and solidify it into a stable form.
4. Orientation: The PET plastic sheet is often subjected to a process called orientation. This involves stretching the sheet in both the machine direction (MD) and the transverse direction (TD) using rollers or a tenter frame. Orientation imparts enhanced mechanical properties to the PET sheet, making it stronger and more tear-resistant.
5. Heat Setting: Following orientation, the PET plastic sheet is heat-set to lock in the orientation and improve its dimensional stability.
6. Trimming and Inspection: The PET plastic sheet is trimmed to the required size, and it undergoes visual inspection to ensure quality standards are met. Defective or imperfect sheets are removed from the production line.
7. Surface Treatment (Optional): Depending on the intended application, the PET plastic sheet may undergo surface treatment to enhance printability, adhesion of coatings, or improve other functional properties.
8. Winding and Packaging: The PET plastic sheets are wound into rolls and packaged securely for storage or transportation to pharmaceutical packaging manufacturers.
9. Quality Control: Throughout the production process, quality control checks are performed to ensure the PET plastic sheets meet the required specifications and standards for pharmaceutical packaging.
It’s important to note that the production of PET plastic sheets for pharmaceutical packaging requires adherence to strict quality control and regulatory guidelines. Manufacturers must maintain a clean and controlled environment to avoid contamination and ensure the safety and integrity of the final product used for pharmaceutical applications. Additionally, the sheets may undergo further processing or converting, such as thermoforming, to create specific pharmaceutical packaging products like bottles, blister packs, or trays.
Pulixin is a leading manufacturer of PET plastic sheets for pharmaceutical packaging. With years of expertise in the plastics industry, we take pride in providing high-quality, reliable, and safe packaging solutions for pharmaceutical products. Our commitment to excellence, innovation, and customer satisfaction sets us apart as a trusted partner for your packaging needs.
Why Choose Our PET Plastic Sheets for Pharmaceutical Packaging?
Guarantee of product quality:
Commitment to Customer Satisfaction: