MicroLubrol ATD lubricant is a 100% pure PFPE oil excellent for reducing squeaks, rattles, and wind noise in convertibles and other automotive parts. Recommended for retractable convertible roof top rubber seals and sliding convertible roof top rubber seals. Excellent for CSC (Coupe/Sunroof/Convertible) retractable/sliding roofs, sunroof, moonroof rubber seals and door rubber seals. Also recommended for power window rubber seals, hatch and trunk rubber seals. Same type of PFPE oil as the popular 105 PFPE oil and VW "Special Lubricant". MicroLubrol ATD lubricant is a 100% pure PFPE oil excellent for reducing squeaks, rattles, and wind noise in convertibles and other automotive parts. Recommended for retractable convertible roof top rubber seals and sliding convertible roof top rubber seals. Excellent for CSC (Coupe/Sunroof/Convertible) retractable/sliding roofs, sunroof, moonroof rubber seals and door rubber seals. Also recommended for power window rubber seals, hatch and trunk rubber seals. Same type of PFPE oil as the popular 105 PFPE oil and VW "Special Lubricant".