Which is stronger, cast stone paper or blown film stone paper
DATE：2024/11/30 10:20:20 / READ： / SOURCE：This station
Cast stone paper and blown film stone paper are two different production processes for stone paper products, each with its own characteristics and advantages and disadvantages. When comparing the strength of these two, we need to consider multiple factors, including the composition of the material, production process, and the final paper usage scenario.
1. Overview of Production Process
Cast stone paper:
Cast stone paper is formed by mixing PE (polyethylene) and calcium carbonate (or other mineral fillers) and heating and melting them on a casting machine to form a thin film. The characteristic of this process is the ability to precisely control the thickness, smoothness, and uniformity of the paper. Casting technology can be processed at lower temperatures, effectively avoiding thermal degradation of materials.
Blown film stone paper:
Blown film stone paper is made by melting and extruding PE and calcium carbonate in an extruder, and then blowing the melted plastic into a thin film through a series of temperature control and pressure. This process is relatively mature, with high production efficiency, and is particularly suitable for the application of large-scale production lines. The structural properties of blown film depend on the blowing pressure and cooling rate, thereby regulating the physical properties of the final product.
2. Strength comparison
In terms of strength, the performance of cast stone paper and blown film stone paper is influenced by factors such as material ratio, process control, and thickness:
Tensile strength: Generally speaking, cast stone paper has good tensile strength, especially when the film is thin. The molecular arrangement of cast paper is relatively uniform, which can effectively resist stretching. However, blown film stone paper may exhibit slightly inferior tensile strength due to pressure fluctuations and cooling rate effects.
Tear resistance: During the production process of cast stone paper, due to stretching and flowing, the molecular chains are arranged more tightly, usually exhibiting higher tear resistance. Although blown film stone paper can achieve good tear strength in some cases, the uniformity of the entire structure is slightly insufficient.
Wear resistance: In terms of wear resistance, cast stone paper usually exhibits good wear resistance characteristics due to its smoother and denser surface. But blown film stone paper can also improve its wear resistance through surface treatment, but the overall effect may be lower than cast stone paper.
3. Application scenarios
Different strengths of paper are suitable for different occasions:
Cast stone paper is suitable for applications that require high strength and durability, such as high-end packaging materials, outdoor advertising, and long-term storage of documents.
Blown film stone paper is more commonly used for general packaging needs, temporary advertising, and disposable items because its production cost is relatively low and more competitive.
Taking into account the strength comparison between cast stone paper and blown film stone paper, cast stone paper usually exhibits superior tensile strength, tear resistance, and wear resistance. However, choosing which type of stone paper is most suitable still needs to consider multiple factors such as specific usage requirements, cost control, and production efficiency. For applications requiring high strength, cast stone paper undoubtedly has more advantages; For cost sensitive applications, blown film stone paper may be a more economical choice.
Cast stone paper:
Cast stone paper is formed by mixing PE (polyethylene) and calcium carbonate (or other mineral fillers) and heating and melting them on a casting machine to form a thin film. The characteristic of this process is the ability to precisely control the thickness, smoothness, and uniformity of the paper. Casting technology can be processed at lower temperatures, effectively avoiding thermal degradation of materials.
Blown film stone paper:
Blown film stone paper is made by melting and extruding PE and calcium carbonate in an extruder, and then blowing the melted plastic into a thin film through a series of temperature control and pressure. This process is relatively mature, with high production efficiency, and is particularly suitable for the application of large-scale production lines. The structural properties of blown film depend on the blowing pressure and cooling rate, thereby regulating the physical properties of the final product.
2. Strength comparison
In terms of strength, the performance of cast stone paper and blown film stone paper is influenced by factors such as material ratio, process control, and thickness:
Tensile strength: Generally speaking, cast stone paper has good tensile strength, especially when the film is thin. The molecular arrangement of cast paper is relatively uniform, which can effectively resist stretching. However, blown film stone paper may exhibit slightly inferior tensile strength due to pressure fluctuations and cooling rate effects.
Tear resistance: During the production process of cast stone paper, due to stretching and flowing, the molecular chains are arranged more tightly, usually exhibiting higher tear resistance. Although blown film stone paper can achieve good tear strength in some cases, the uniformity of the entire structure is slightly insufficient.
Wear resistance: In terms of wear resistance, cast stone paper usually exhibits good wear resistance characteristics due to its smoother and denser surface. But blown film stone paper can also improve its wear resistance through surface treatment, but the overall effect may be lower than cast stone paper.
Different strengths of paper are suitable for different occasions:
Cast stone paper is suitable for applications that require high strength and durability, such as high-end packaging materials, outdoor advertising, and long-term storage of documents.
Blown film stone paper is more commonly used for general packaging needs, temporary advertising, and disposable items because its production cost is relatively low and more competitive.
Taking into account the strength comparison between cast stone paper and blown film stone paper, cast stone paper usually exhibits superior tensile strength, tear resistance, and wear resistance. However, choosing which type of stone paper is most suitable still needs to consider multiple factors such as specific usage requirements, cost control, and production efficiency. For applications requiring high strength, cast stone paper undoubtedly has more advantages; For cost sensitive applications, blown film stone paper may be a more economical choice.
Author：admin