Will these make an oil base product leak proof?
These 28 mm foam pressure‑sensitive liners can help create a leak‑resistant seal, but performance with oil‑based products can vary depending on viscosity, bottle material, and application torque and are generally not recommended for oil-based products. They are not guaranteed to be fully leak‑proof for all oil formulations, so we recommend testing to your end use prior to placing a large order to confirm seal strength and compatibility as they are not eligable for return. For more information, or if you have additional questions, please reach out to our Customer Support team at online@tricorbraun.com.