Image Name

.

NEWS

News Center

——

Method for manufacturing heat-sealable film

Heat-seal bagging is widely used in packaging for daily chemical products, food, and pharmaceuticals. During product filling, the heat-sealed seams of the bags are prone to leakage, and during actual use, damage often occurs at these same heat-sealed areas. Therefore, by selecting appropriate heat-seal films and optimizing heat-sealing parameters, it is possible to reduce scrap rates on the production line and effectively enhance the overall barrier properties of the packaging. Now, let’s take a closer look at the characteristics of heat-seal films.

2021

07-06

Technical implementation of heat-sealable film

Heat-sealable bagging is widely used in packaging for daily chemical products, food, and pharmaceuticals. Heat-seal film is one of the key materials employed in this process; it typically comprises a heat-seal layer, a core layer, and an outer barrier layer. Given that such films are commonly utilized in packaging for food, medicine, and chemicals, high mechanical strength is essential. However, conventional heat-seal films often exhibit insufficient strength, making them prone to scratches, abrasions, and tears. To enhance their durability, composite layers made from alternative materials are frequently incorporated. Next, let’s explore the technical approaches used to achieve these enhanced properties.

2021

07-11

Heat-Sealing Film Process and Characteristics

Heat-seal films are widely used in many applications. For example, they are employed in the medical field. Both heat-seal films and eco-friendly plastic bags are made of plastic, and heat-seal films share the transparency characteristic of eco-friendly plastic bags. Each has a broad range of uses. Next, let’s explore the manufacturing process and key features of heat-seal films.

2021

07-18

Advantages and Applications of Heat-Seal Films

What are the advantages of heat-seal films? Heat-shrink films offer significant benefits, delivering excellent shrinkage performance. As living standards continue to improve, consumer demand for diverse packaging films is steadily rising. These films are suitable for packaging and transporting a wide range of products. Next, let’s explore the key advantages and applications of heat-seal films.

2021

07-22

Precautions for Using Heat-Seal Films

When heat-sealing films, it’s important to pay close attention to avoid issues. To ensure adequate seal strength in plastic composite flexible packaging, a sufficient sealing pressure is essential. Therefore, during the heat-sealing process, the pressure should be moderate and evenly distributed. Insufficient or uneven pressure can lead to air bubbles at the seal, resulting in poor bonding due to incomplete fusion. Conversely, excessive pressure may cause deformation of the seal; under high sealing temperatures, portions of the composite material may slip and overheat. Below, we’ll outline key precautions for using heat-sealable films.

2021

07-28

< 1 2 > 跳转到页

Success Stories

News and Information

Address: No. 1189, Yongning Road, Fangcheng Subdistrict, Fangzi District, Weifang City, Shandong Province
Phone:0536-8296198
Mobile phone:13853625899
Email:wfklbzcl@163.com

©2021 Weifang Kaili Packaging Materials Co., Ltd. All rights reserved.

Website Development:China Enterprise Dynamics Weifang

Image Name

Mobile QR Code