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How to Choose Silicone Sheets for Bag-Making Machines
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How to Choose Silicone Sheets for Bag-Making Machines
In the bag-making industry, silicone sheets play a crucial role in the heat-sealing process. They directly affect the sealing quality, smoothness, and production efficiency. With so many brands available on the market, how do you select a durable and reliable silicone sheet? This article outlines the key factors to consider.
The Role of Silicone Sheets in Bag-Making Machines
During the heat-sealing process, the silicone sheet functions as a buffer layer that transfers heat evenly, distributes pressure, and stabilizes sealing performance. High-quality silicone sheets ensure smooth and firm sealing without sticking or blistering, while also protecting the equipment and improving efficiency.
Five Key Factors for Choosing Silicone Sheets
1. Heat Resistance
Bag-making machines typically operate between 150°C and 250°C. Premium silicone sheets maintain flexibility and shape under heat without carbonization or deformation.
2. Proper Hardness
A hardness of 50°–60° (Shore A) provides optimal balance between tight sealing and material protection.
3. Thickness Precision
Thickness tolerance should be within ±0.2mm to ensure even heat and pressure distribution.
4. Tear Resistance and Resilience
High tear strength and excellent rebound performance extend product life under continuous compression.
5. Ease of Processing and Installation
Flexible, easy-to-cut silicone sheets ensure quick installation and compatibility with various machines.
Why Choose DIAO Silicone Sheets
1. Premium Materials, Stable Quality
Made from high-purity silicone, DIAO sheets are vulcanized at high temperatures for superior thermal stability and shape retention.
2. Advanced Manufacturing, Superior Sealing
Smooth surface and uniform heat conduction ensure clean sealing lines without sticking or burn marks.
3. Customizable for Various Machines
Custom options for hardness, thickness, and dimensions are available for different machine types and materials.
4. High Tear Strength, Longer Service Life
Improved formulation enhances tear strength, extending lifespan by 30% or more compared to standard sheets.
5. Strict Quality Control
Each sheet undergoes hardness, aging, and heat-resistance testing before delivery to ensure consistent quality.
6. Extensive Experience, Reliable Support
With years of expertise in silicone materials and packaging machinery, DIAO provides technical advice and after-sales support.
The stable operation of a bag-making line relies on every single high-quality silicone sheet. DIAO always focuses on material quality and precision manufacturing to deliver reliable heat-sealing solutions
Though small in size, silicone sheets play a major role in sealing performance and machine efficiency. DIAO’s superior materials and precise manufacturing have earned the trust of packaging manufacturers worldwide. Choosing DIAO means choosing stability, efficiency, and reliability.
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Our factory specializes in the production and supply of high quality silicone hoses, food grade silicone hoses, medical silicone hoses, fuel hoses, radiator hoses, air rubber hoses, EPDM sealing strips, spiral protective covers and silicone plates and other trucks, automotive rubber accessories (support OEM and ODM).
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