Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of food grade fkm rubber x-rings in China, also supports customized service. Please feel free to buy high quality food grade fkm rubber x-rings for sale here from our factory.
Description of Food Grade FKM Rubber X-Rings
Key advantages
Food Grade FKM Rubber X-Rings offer several special features that make them ideally suited for the sealing needs of food-grade applications:
- Food Safety Compliance: These X-rings are made from food-grade FKM (fluoroelastomer) material and meet strict food safety standards such as FDA (U.S. Food and Drug Administration) regulations, ensuring they are safe for use in food contact applications.
- Excellent chemical resistance: FKM materials are extremely resistant to a wide range of chemicals and are suitable for food processing environments where they may be exposed to a variety of cleaners, disinfectants, and other chemicals.
- Wide temperature range: Food-grade FKM rubber can maintain performance over a wide range, providing reliable sealing in high-temperature cooking or refrigeration environments.
- Enhanced Compression Set Resistance: The X-Ring's design helps resist the compression set, maintaining its shape and sealing performance even under prolonged pressure, which is especially important for dynamic sealing applications.
- Low coefficient of friction: The low coefficient of friction of FKM materials helps reduce friction between moving parts, extend the service life of seals, and improve the energy efficiency of the system.
- Customization options: Food-grade FKM X-Rings can be customized in size, shape, and hardness according to specific application needs to ensure optimal sealing and adaptability.
- Durability and Long Life: The durability of these seals means they provide long service in food processing environments, reducing replacement frequency and maintenance costs.
- Cleaning and Hygiene: Due to its material and design, the Food Grade FKM Rubber X-Ring is easy to clean and disinfect, helping to maintain hygienic standards in food processing equipment.
Application industries
Food Grade FKM Rubber X-Rings are widely used in a variety of applications in the food and beverage industry due to their excellent chemical resistance, high-temperature resistance, and material properties that meet food safety standards. in the scene. The following are some specific application examples:
1. Food processing equipment: used in various food processing machinery, such as cutting machines, mixers, homogenizers, and filling machines, to prevent material leakage and ensure hygienic safety.
2. Beverage production line: In the production line of carbonated drinks, juice, beer, and other non-alcoholic beverages, food-grade FKM X-Rings are used for sealing connections to ensure the sealing integrity of the production line.
3. Dairy processing: During the production of dairy products such as cheese, butter, and yogurt, these sealing rings are used in handling equipment to ensure product quality and prevent cross-contamination.
4. Baking equipment: In ovens, fermentation boxes, and other baking-related equipment, food-grade FKM X-Rings are used to seal the system to resist high temperatures and food stains.
5. Packaging machinery: used in food packaging machinery, such as vacuum packaging machines, sealing machines, and labeling machines, to ensure the cleanliness of the packaging process and the safety of the products.
6. Conveying system: In food and beverage conveying systems, these sealing rings are used in joints and rotating parts to prevent contact between lubricating oil and food.
7. Pumps and valves: Food-grade pumps and valves are used, especially when handling dairy products, juices, syrups, and other viscous products to ensure sealing and prevent product leakage.
8. Cleaning equipment: In cleaning equipment in food processing areas, food-grade FKM X-Rings are used to seal high-pressure washers and disinfection systems against corrosive cleaning agents.
9. Refrigeration and refrigeration systems: In refrigeration systems, these sealing rings are used in connections and valves to prevent refrigerant leakage and maintain the system's sealing performance.
10. Medical devices: Although not directly involved in food processing, some medical devices may need to come into contact with food or be used in similar environments. Food-grade FKM X-Rings can also be used in these applications.
When selecting food-grade FKM Rubber X-Rings, you should ensure that the material complies with relevant food safety regulations and standards, such as FDA approval. The durability and high-temperature resistance of these seals make them an ideal sealing solution in the food processing and packaging industries.

Physical property information
| Physical Properties | Rating (Metric) | Rating (Imperial) | Test Method |
| Specific gravity | 1.82 g/cc | 1.82 g/cc | ASTM D297 |
| Mechanical Properties | Rating (Metric) | Rating (Imperial) | Test Methods |
| Hardness (Shore A) | 75 | 75 | ASTM D2240 |
| Tensile strength (breaking) | 14.1 MPa | 2050 psi | ASTM D1414 |
| Tensile Strength (Yield) | 4.14 MPa | 600 psi | @50% Elongation; ASTM D1414 |
| 7.074 MPa | 1026 psi | @100% elongation; ASTM D1414 | |
| Elongation (at break) | 182 % | 182 % | ASTM D1414 |
| Permanent compression | 20 % | 20 % | 70 hours @ 400°F (204°C) @ 25% deflection; ASTM D395 |
| Thermal Performance | Rating (Metric) | Rating (Imperial) | Test Method |
| Maximum operating temperature, Air | 200 °C | 392 °F | |
| Minimum operating temperature, Air | -30.0 °C | -22.0 °F |
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