Pre-coats are often applied to blank and mould equipment to improve productivity following mould changes. VITROLIS SPC pre-coats react immediately at room temperature and apply a lubricating film proven to provide excellent gob loading, parison release and to reduce or eliminate cracking and rejection. The product is designed to eliminate the need for swabbing during start up procedures.VITROLIS SPC 100 S Aerosol Spray. Dry-film blank mould pre-treatment. 0.2mm to 0.5mm. Apply from a distance of 30cm.Ensure clean mould. Touch dry within 2 minutes. For best results 4-6 hours curing. VITROLIS SPC 100 L Liquid. Dry-film blank mould pre-treatment.0.2mm to 0.5mm. Apply from a distance of 30cm.Ensure clean mould. Touch dry within 2 minutes. For best results 2-4 hours curing.