REMA TIP TOP Pre-Buff Cleaners are specially formulated to dissolve mold-release lubricants and other contaminants creating a clean surface prior to innerliner buffing. Available in spout-top liquid or spray-top aerosol dispensers. Use Pre-Buff Cleaners in conjunction with scraping tool 932 to dissolve and remove lubricants and contaminents from the innerliner before buffing.