What Are the Differences Between 50A, 60A, and 80A Silicone Sheets?

What Are the Differences Between 50A, 60A, and 80A Silicone Sheets?

When selecting silicone sheets, customers often focus on dimensions and thickness, but hardness is also a key factor that affects performance and service life. Silicone sheets with different hardness levels vary in flexibility, tear resistance, compression resistance, and application suitability. Common options include 50A high tear strength silicone sheets, 60A standard silicone sheets, and 80A silicone sheets designed for bag-making machines, each serving different industrial requirements.

50A high tear strength silicone sheet is relatively soft and offers excellent flexibility and resilience. Manufactured with a special high tear resistance formulation, it provides significantly better tear strength than standard silicone sheets. Even under frequent stretching, bending, or repeated mechanical stress, it is less likely to crack or tear. For equipment such as vacuum membrane presses, thermoforming machines, and positive/negative pressure forming machines, where the silicone sheet must continuously deform and recover, a 50A high tear strength silicone sheet can often provide a longer service life.

60A standard silicone sheet is one of the most widely used grades in industrial applications. Compared with 50A material, it offers greater hardness and stronger support while maintaining good elasticity. It is commonly used for sealing, gaskets, and general hot-press applications. Because it provides a balanced combination of flexibility and support, 60A silicone sheets are often the preferred choice for a wide range of industrial uses. When exceptional tear resistance is not required, a 60A standard silicone sheet is usually sufficient for most operating conditions.

80A silicone sheet is a high-hardness product commonly used in bag-making machines. As hardness increases, compression deformation decreases, resulting in better load-bearing capacity and improved dimensional stability. In bag-making machines, heat sealing equipment, silicone sheets are required to provide consistent support and pressure transfer. For this reason, 80A silicone sheets are frequently selected. Although they are less flexible than 50A and 60A materials, they offer superior compression resistance and structural stability, making them suitable for applications that require firm support.

In practical applications, 50A high tear strength silicone sheets are ideal for equipment that requires frequent deformation and recovery. 60A standard silicone sheets are suitable for most general industrial applications, while 80A high-hardness silicone sheets are better suited for equipment that demands greater support and compression resistance. When selecting a silicone sheet, it is important to consider not only hardness, but also factors such as equipment design, operating temperature, mechanical load, and usage frequency. Choosing a silicone sheet that matches the actual working conditions can improve performance and extend service life.

Why Choose DIAO Silicone Sheets?

Hebei DIAO Rubber Products Co., Ltd. specializes in the production of industrial-grade silicone sheets and operates complete manufacturing processes including rubber mixing, calendering, vulcanization, and custom fabrication. From raw material selection to final inspection, every production stage is carefully controlled to ensure consistent thickness, dimensional accuracy, and reliable product performance for various industrial applications.

To meet the requirements of different industries and equipment, DIAO offers 50A high tear strength silicone sheets, 60A standard silicone sheets, 80A high-hardness silicone sheets, as well as reinforced fabric silicone sheets. Custom sizes, cutting, hole punching, and special-shaped fabrication services are also available, helping customers reduce secondary processing and improve production efficiency.

With stable product quality, extensive manufacturing experience, and flexible customization capabilities, DIAO silicone sheets are widely used in woodworking machinery, packaging equipment, hot-press applications, and industrial sealing systems. We are committed to providing reliable industrial silicone sheet solutions for customers worldwide.