PTFE Spray 500ml - RUS-1618 EXcellent PTFE spray is a high purity, light lubricant containing PTFE. Suitable for applications requiring a clean, light, dry film. X1 eXcellent PTFE spray is reinforced with BoroTecX™. It has outstanding lubrication and water repellent properties. X1 eXcellent PTFE spray is H1 compliant, and approved for incidental food contact.