Linde Polymer Tec Co.,Ltd

Rubber Sealing Rings

Rubber Sealing Rings

Hardness: 67.5 + /-5
Tensile strength change: ISO 1817
Volume change: 2.15 Material: NR,EPDM
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Description
Technical Parameters

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.

 

rubber-seals-drinking-equipment-2

 

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 %