About rubber sealing rings
Rubber sealing rings play a vital role in preventing leaks and contamination, ensuring the water we drink is safe for our health.
Advantage
Potable water seals are an essential part of various industries including water treatment plants, piping systems, and beverage manufacturing. These seals act as a barrier, preventing outside elements from entering the water supply. By maintaining a tight seal, they keep the water free from contamination and safe to drink.
Materials rubber sealing rings
Natural and synthetic rubbers, such as EPDM (ethylene propylene diene rubber), are commonly used in seals because of their durability, flexibility, and compatibility with potable water applications.

Application
1. Water treatment plants: Rubber seals are widely used in water treatment plants to ensure the integrity of pipes, valves, and filtration systems.
2. Piping system: In residential and commercial buildings, rubber seals are critical to the piping system. They provide leak-proof connections between pipes, taps, and fixtures, preventing water waste and potential contamination.
3. Bottled water industry: The production of bottled water requires an airtight seal to maintain freshness and prevent any external contaminants from entering the bottle.
4. Water fountains and coolers: Rubber seals are used in water dispensers and coolers to maintain a tight seal between the water container and the dispensing mechanism.
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| Physical properties | ||||
| Property | Test standard | Value | Unit | |
| Hardness | ISO 48 | 67.5+/-5 | IRHD | |
| Elongation at break | ISO 37 | 211 | % | |
| Tensile strength | ISO 37 | 11.2 | Mpa | |
| Compression set-24 hours at 150 ℃ Slab | ISO 815 | 15 | % | |
| Ageing properties | ||||
| Property | Test standard | Value | Unit | |
| Heating ageing-72 hours at 100 ℃ | ISO188 | |||
| Hardness change | 4 | IRHD | ||
| Elongation at break change | -18.5 | % | ||
| Tensile strength change | -18 | % | ||
| Volume change | 0 | % | ||
| Aging water-166hours at 100 ℃ | ISO 1817 | |||
| Hardness change | -1.1 | Shore A | ||
| Elongation at break change | -1 | % | ||
| Tensile strength change | -8.5 | % | ||
| Volume change | 2.15 | % | ||








