How Oil Resistant Rubber Valve Helps Improve User Experience in Compact Designs

https://industrialsealnotes.theburnward.com/silicone-lenses-guide-for-durable-led-and-optical-product-designs

Designing a small part can affect the whole product. A oil resistant rubber valve may look simple, but it has a real job to do. It must work with the cap, case, fluid, air path, or light path around it