Challenge
![](https://www.ozseals.com/wp-content/uploads/2020/09/avg1-1-900x636.jpg)
Issue:
Cheap and average quality seals are made from thermoplastic polymer. Client had a average quality injection-moulded seal that has melted and broke under the strain due to extreme temperature fluctuations (heating and cooling). Average quality seals last only for 3-6 years.
The problem with injection-moulded seals is when the temperature increases, they soften rapidly. This leads to extrusion and nibbling failure patterns in the seal. Injection moulding loses more than 20% of their properties when melted and injected.
Solution
![](https://www.ozseals.com/wp-content/uploads/2020/09/ozsuper-1024x724-2-1024x724.jpg)
After having encountered many seal failures, Oz Seals has set the tone for the development of good quality and hard-wearing polyurethane seals. Using only high quality 100% virgin PU raw material to produce stable and void-free base seals.
The range of super polymers are thermoset and spin cast. They were made from the Oz Poly4 four-component processing plant which is an enclosed process that works in a controlled environment to prevent contamination.
This high-performance material is a triple, lubricated polyurethane that is able maximize its elasticity and is effective in fast operating cycles. These polymers have excellent temperature characteristics and have proven itself in tough application situations
Results
![](https://www.ozseals.com/wp-content/uploads/2020/09/perth-mrf_1.jpg)
Client Reported:
- The super polymer seal is working well and is still continuing its service
- Performing extremely well in comparison to the previous seal.
- Savings realised due to production downtime, maintenance time and replacement.